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SC1-RAV™ 2015 - Baziw Consulting Engineers Ltd.

1. Zi Figure 45 VSP in Figure 42 after application of an Initial Time of 60 mSs eee 27 Figure 46 Calculate Shear Modulus dalogb amp 27 Figure 47 Typical interval massdensitytexttile 28 Figure 48 Calculation of the interval mass density when the interval velocity and mass density depth increments Are TOL synchronized sicuri 28 Figure 49 Typical interval velocity output file from the Calculate Shear Modulus menu option 29 Figure 50 Main graphical interface in View Seismic Data software Option 30 Peur Si Pint Preview dialog Damak RO AT 31 Erer 52 Export didlo g WOK PR RR OA 31 Poar oo P oar Ke 18 2 DOK T ee O 31 Figure 54 Seismic traceinViewSeismicDatasoltwareoptlon 32 Fieure 5 Display VSP ile input dialog PO 33 Figure 56 Filtered 30 to 100 Hz bandpass VSP Display seismic trace profile illustrating color coded reverse polarized WAN CS sopra OR AIA I tara 33 Pisure 57 Expor Arrival Times dialog Doxa 34 Fiture oo Display ol ie m S 1 E E aida 33 Figure 59 Typical3DDisplay datauntiltered 36 Figure 60 Typical 3D Display data now filtered and chart copied to clipboard as described bali 57 Figure 61 2D display of the FFT results of the filtered data shown in Figure 60
2. 10 Figure 15 Data file Dr4 aci seismic data with corresponding frequency spectrum 11 Figure 16 Filtered Seis Hmm EE e onus parlama il okla TEE rta 12 Figure 17 Superposition of filteredtracesontountilteredseismictraces 12 i ADI USURA 12 Figure 19 Cross correlation function between filtered seismic data defined in files Ds4 aci and Ds7 laci Maximum correlation valucoccursatashiftot8 lIms 12 Figure 20 Chart Editing amp Printing dialog DOX isna 13 Figure 21 Batch Job Analysis dialog DOK sase sie ies Seni sn Salar l silebilir Sall 13 Figure 22 Output after implementation of standardBatchJobAnalysis 14 Figure 23 Estimating a reference arrival time of 20 ms at a vertical depth of 4 m 14 Figure 24 Implementation of the LLSR technique on the relative arrival times illustrated in E ARCORE I 15 Figure 25 Reverse Polarity Technique dialog DOX 16 Figure 26 Graphical output from the Reverse Polarity Technique 16 Figure 27 Main graphical interface screen in the FMDSM software option showing the Source O SCE PALd e g1 ANAM A rr 17 Figure 28 FMDSM database interface illustrating inputted data for all available sites 18 Figure 29 Database control DUttons ee 19 Fiure 30 Fionn Dorete NY e
3. 37 Figure 63 Interval Velocity Display incremental depth with frequency bandpass information on the left depth bars with accuracy on the right 39 Pisire O2 Interval Velocity Display lel Epi ar sn 39 Pong od Ubi g2 KE NN MN PE YE A 40 Figure 63 e e b t Fe e i Rana AY Ye 40 Figure 66 View gt Seismic Data display with the Amplitude and Time default settings Precision Digits and Increment setat6 3 0 0land4 2 0 1 respec vely 41 Figure 67 View gt Seismic Data display with the Amplitude and Time default settings Precision Digits and Increment set at 9 9 0 00001 and 6 6 0 00001 respectively 41 Figure 68 Sensor Type and Units dialog boxes L 42 Figure 69 User interface dialog box for selecting files to be sorted 43 ioite lt 0 Chart Pitas Dialog e b RE A A YE 44 Figure 71 Chart Printing Dialog BOX L L ulri a 44 Version 15 0 1 D Page vi BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 1 Introduction 1 1 What is SC1 RAV SCI RAV is a Windows program which facilitates comprehensive Downhole Seismic Testing DST data reduction analysis and display The user is provided with an extensive set of mathematical tools and patented algorithms to derive DST interval velocities and to quantify vertical seismic profiles In addition SCI RAV M allows the review of fre
4. 3 4 Signal Decay File FEEDERS View Utilities Window Help The Signal Decay option allows the user to minimize P interval Velocities sim EE the effect of possible source wave multiples on the SS T r 3 Apply Data Interpolation first arriving source wave and applies an exponential ap Sepa Decay rr decay function to the selected time series data after a Change Polarity Batch Processing Calculate Shear Modulus user specified time This option can either be applied on an individual trace or in batch mode on a Figure 39 Apply Signal Decay series of traces see Figure 39 submenu with corresponding analysis ne options 3 4 1 Individual Trace Signal Decay Alt Alt e Bitto where t gt to to initial decay time and h decay factor Figure 40 shows the user interface for this software option The Initial Time Decay ttiatbecaytime ms 20 Decay Factor tmel 1 0 ei ms and Decay Factor 1 ms are required user input The Decay Factor is defaulted E Load Files and Apply to 1 0 As the Decay Factor 1s increased there is a sharper decay of the time series data at the specified time index Figure 40 User interface for Signal Decay individual trace Figure 41 illustrates the use of this option on time series data with the Initial Time Delay set to 154 ms and a Decay Factor of 1 0 The traces in red are the decayed seismic data where the effects of the source wave multiples have been minimized
5. SCPTS4_0R2_8_2013 3 33 49 PM aci 08 02 2013 1 33 PM ACI File E E SCPTSS5_OL2_8_2013 3 34 05 PM aci 08 02 20131 34PM ACI File a Music 3 SCPTS5_0R2_8_2013 3 33 57 PM aci 08 02 2013 1 34PM ACI File E EE Pictures a SCPTS6_OL2_8_2013 3 34 12 PM aci 08 02 20131 34PM ACI File HE Videos F SCPTS6_OR2_8_2013 3 34 18 PM aci 08 02 2013 1 34PM ACI File F SCPTS7_0L2_8_2013 3 34 30 PM aci 08 02 2013 1 34PM ACI File Computer 2 SCPTS7_OR2_8_2013 3 34 25 PM aci 08 02 2013 1 34PM ACI File amp 05 C 2 SCPTS7_OR2_8_2013 3 37 12 PM aci 08 02 2013 1 34PM ACI File m gt Pe 2 items selected Date modified 08 02 2013 1 34 PM Date created 08 03 2013 11 12 AM 09 03 2013 11 20 AM Size 695 KB File name SCPTS7_OR2_8_2013 3 37 12 PM aci SCPTS7 OR2 8 2013 ASCI files aci gt Specify Stacked Seismic Trace C S M SCI RAV Manual 2013 gt SCI DAC Pro Data 44 Search SC1 DAC Pro Data OU ta Date modified 08 02 2013 1 32 PM O Ss a es 8 02 2013 1 32 PM ACI File 8 02 2013 1 32 PM 08 02 2013 1 33 PM 8 02 2013 1 33 PM 8 02 2013 1 33 PM 08 02 2013 1 33 PM 08 02 2013 1 33 PM 08 02 2013 1 34 PM ACI File 08 02 2013 1 34 PM 08 02 2013 1 34 PM 0 U 0 U n 0 0 0 0 08 02 2013 1 34 PM ACI File WWW WWW WWW ww w gt gt gt e s e s Ps e gt es PS m Organize v New folder sk Favorites Name MI Desktop 3 SCPTS1_
6. The File option provides the user with 2 options e Convert Geotech AB data e Exit Geotech Data Conversion The Convert Geotech AB Data option allows the user to select a set of SCPT data files acquired with a standard uniaxial Geotech AB system and to convert these into the SC RAV data format for processing as follows 1 optionally enter update desired site information selecting the Site Info Specification button see Figure 3 area 2 specify the set of files to be da converted by clicking on the Project number Specify Files button which opens Dient a File Input dialog box as shown laiia in Figure 6 Location 3 click on Open button at the bottom Operator of this dialog box to convert each Date individual file into the SC RAV eens data file format The program na then copies the converted Geotech Water Ground Level Reference Level Water Level m N a data files into subdirectory BCEFORMAT that is created in the same directory as the original Coordinate System RJE Ai The converted data files have Coordinate Y extension BCE appended to the original file name Ground Level m N 4 Coordinate System N A Figure 3 Site Information dialog box Version 15 0 1 D Page 4 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 3 Seismic Analysis A N 1l ile Renee v Kli A The Seismic Analysis menu option allows the BEER View Utiities Window Help user to process acquire
7. 66 231 SCPTDEMO 70 8411 gt SCPTDEMO i 75 829 b b b b b ii Filter Selected Site Show All Sites SCPT 2013 Delete Selected Site SCPT2 4 ExportiVifor Selected Site Save as Test File SCPTRightSide i SCPT 2BiahtGide Figure 34 Automatic insertion of the estimated interval velocities and corresponding error residuals into the FMDSM database The FMDSM is capable of estimating up to three interval velocities These values are represented by columns V m s V2 m s and V3 m s Due to the structure of the FMDSM there is only one interval velocity for the first and last layers and two interval velocities for the second and second to last layers Interval velocities defined as 0 imply that no estimate was available The columns Residual I ms Residual 2 ms and Residual 3 ms identify the error residual between the specified Arrival Times and synthesized values Forward Modeling by implementing the estimated interval velocities They give an indication of how well our estimated interval velocity model fits the measured data The user should place high weight on an FMDSM interval velocity profile when the three velocity columns V m s V2 m s and V3 m s at each depth increment are nearly identical and there are correspondingly low error residuals which implies a stable solution Significant variability in V1 m s V2 m s and V3 m s and or high error residuals mostly likely are
8. 119 50 S 1 00 2 00 0 997 Figure 12 Typical output file TS ms 30 0 to 100 0 4 96126 03 Version 15 0 1 D Page 9 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 1 1 1 2 Manual Processing The Manual Processing option is a more detailed analysis of the in situ seismic traces In this option a start time is specified if desired the inputted waves are then analyzed for frequency content after which the filtered and unfiltered traces are displayed in order to decide whether the correct seismic waves were isolated Finally the cross correlation function is displayed followed by the velocity accuracy and time shift estimates In the Manual Processing option the seismic traces are more thoroughly analyzed with interactive graphics These graphics facilitate choosing the proper frequency filters to be used in the Automatic Filtering and Batch Processing options For illustrative purposes an example of data processed with SCI RAV using the Manual Processing option will be presented In this example data files Ds4 aci and Ds7 aci are analyzed and the relevant parameters describing these digital seismic traces are as follows Ds4 aci Ds7 aci Sampling rate 0 1 ms Sampling rate 0 1 ms Depth 2 7 m Depth 3 7 m X offset 2 1 m X offset 2 1 m Y offset 0 0 m Y offset 0 0 m Information The message shown in Figure 13 appears when the user selects the Process Data button in the Cross correlation Technique dialog
9. Transter License In Step 1 of 3 Transfer In enables you to transfer a licenze to this program from a licensed copy on another computer For this process you will need 1 floppy disk and access to a licensed copy of this program on another computer Insert a floppy disk into your computer s A dive and press Mest at the bottom of this dialog box IF you are using a dive other than dive A enter its path here fan Browse cre Figure 3 Transfer License In Window Step 1 Version 15 0 1 Page 51 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 4 In the above window use the Browse button if necessary to supply the USB Flash Drive path then click Next The program imprints its registration on the USB Flash Drive and the system displays the following window Transfer License In Step 2 of 3 Now the license needs to be copied to the floppy disk 1 Remove the floppy disk and take it to the computer with the licensed copy of this program e Run the licensed copy of this program and select Transfer Que a Bring the disk back to this computer and press Nest If there is a significant delay between transfers for example you are moving a licenze from your work computer to your home computer you can suspend the transfer process and continue later Continue Transfer Later Cancel Figure 4 Transfer License In Window STEP 5 If you need to
10. there are one icon 4 buttons and one checkbox at the bottom of the interface Fiter Selected Site Show All Sites e the Process Selected Site Data icon H Delete SelectedSite initiates the FMDSM analysis ii i i Export for Selected Site W Save as Text File e the Filter Selected Site button allows the n ot user to filter the arrival time information for a specific site by highlighting that site within the scroll list of available sites on bottom of the user interface window The filtered arrival time information for site SCPTDemo 1s illustrated in Figure 30 e the Show All Sites button allows the user to undo previous data filtering e the Delete Selected Site button allow the user to delete a specific site by highlighting that site within the scroll list of available sites on bottom of the user interface window e The Export IV for Selected Site button allows the user to export the estimated FMDSM interval velocities IV for a specific site by highlighting that site within the scroll list of available sites on bottom of the user interface window When button is clicked a dialog box to enter specific test information appears as was outlined in Figure 10 Alternatively if checkbox Save as Text File 1s checked then the FMDSM interval velocities are saved in a simplified format so the output can be easily incorporated into a Word table or Excel spreadsheet Figure 29 Database control buttons Arrival Time
11. Browse Cancel Figure 9 Continue Pending Transfer Window STEP 13 If you did not exit the program on PC 2 the program window appears as follows 7 Protected Calculator License Configuration Program License Help Gal Panelen to director Gi Traneter cubic another computer Transfer in from another computer r Killllicense CrypKey Instant Demonstration This is the configurable message box If this were your program you can easily put your custom tailored message here YOL can even put your oven hotlink to you Web or email like this Crypkey Canada Inc salesigicrypkey com J To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is setto give a 3 run trial automatically but you can give customers rune or time trials of any size Once the trial has expired to continue Figure 10 Window resuming operation of program on PC 2 Version 15 0 1 D Page 55 BCE SC1 RAV 2015 Seismic Data Analysis Software In the above window click Transfer Into Computer to complete the transfer The system displays the Continue Pending Transfer window shown in Figure9 STEP 14 Click Next in the Continue Pending Transfer window The following window appears indicating that the transfer is complete Transfer License In Step 3 of 3 Congratulations The license has been successtully transherred Press Finish to contin
12. Function screen The chart formatting printing and exporting functionality is provided for all charts displayed within SC1 RAV 3 1 1 2 Batch Job Analysis Specify Seismic Data for Batch Job Analysis DOTE scr Rav Manual 2013 gt SC1 DAC Pro Data amp Search SCI DAC Pro Dato The Batch Job Analysis option outlined in sere rese i n Exton kefe Figure 5 facilitates the user to process many sw i ce ie seismic traces with similar filter parameters 2X7 TE in a batch mode In addition Batch Job Sons pan panic om Analysis allows for the estimation of the yi ee arrival times for each depth increment and Ev ww the implementation of Linear Least Squares saa m4 Pa Soren 5 l Regression LLSR to derive interval a 3 velocities which minimizes the variability of Sze 203 M8 the interval velocities The LLSR utilizes Filename SCPTS6 LZ 8 213 33412 PMaci SCPTSL 1282013 asena a three adjacent cross correlated relative arrival times the corresponding time series Figure 21 Batch Job Analysis dialog box depth and a reference arrival time and depth to determine the slope of the best fitting line through the three points The slope of the best fitting line is then defined as the interval velocity In other words the LLSR applies linear regression on three depth adjacent source waves e g 7m 8m and 9m within a
13. close the PC 2 program while you work with the PC 1 program click the Continue Transfer Later button in the above window The system displays the following popup message Continue Transfer Later You have chosen to continue the Transfer In at a later time ci di When you are ready to complete the transfer select Transfer Into Computer again and you will be asked if you want to complete the pending transfer Figure 5 Continue Transfer Later Popup Window STEP 6 Click OK to acknowledge the above popup Version 15 0 1 D Page 52 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 7 Remove the USB Flash Drive from PC 2 and insert it into PC 1 Start the program on PC 1 and when the BCE flash screen appears hit the space bar This will open the License Configuration Manager click the License button as shown below 7 Protected Calculator License Configuration Program License Help English A Transfer to directory Gi Transfer out to another computer Transtar in Form another computer r Kill licenze CrypKey Instant Demonstration This ig the configurable message box If this were your program YOL can easily put your custom tailored message here Vou can even put your ayn hotlink to you Web or email like this Crypkey Canada Inc salesifocrypkey com To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is
14. la lee anime el 19 Figure 31 Specifying a new DST FMDSM database 20 Figure 32 Filtering a newly created database SCPTNew with theinitial entries illustrated 21 Figure 33 FMDSM graphical screen after completion of the interval velocity 21 Figure 34 Automatic insertion of the estimated interval velocities and corresponding error Pe SIGU aS nto rie FMDS M AAS Sos aiar 22 Figure 5 Data Stack file input dialog box ina 23 Figure 36 Specifyingtheformattosavestackedtimeseries 23 Figure 37 Specifying the directory and file name of the stacked time series 23 Figure38 serinterfaceftorDatalnterpolatlon 24 Version 15 0 1 D Page v BCE SC1 RAV 2015 Seismic Data Analysis Software Figure 39 Apply Signal Decay submenu with corresponding analysis Options 2 Figure 40 serinterfacetorSignalDecay individualtrace 25 Figure 41 Example of applying the Signal Decay option to time series data with source wave RR RR E 23 Figure 42 User interface for Signal Decay batch processing 26 Figure 43 VSP with a strong seismic response prior to the arrival of the SH wave 26 Figure 44 VSP illustrated in Figure 43 after application of signal decay
15. or left mouse oe button is selected The crossover point selection can be cleared by double clicking the left mouse button 1 z gt a s oat L J 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28730 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 ime ms Figure 26 Graphical output from the Reverse Polarity Technique The user selects the Calculator icon BNE to determine the velocity with travel path corrections corresponding to the crossover times selected The calculated velocity is displayed at the bottom of the chart as is illustrated in Figure 26 The user may then save this information in a velocity Ba E file by selecting li as previously described This allows for easier interval velocity comparisons between Reverse Polarity and Cross correlation techniques Version 15 0 1 D Page 16 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 1 3 Forward Modeling Downhill Simplex Method The Forward Modeling Downhill Simplex Method FMDSM utilizes seismic ray tracing and optimal estimation techniques to derive DST interval velocities The standard techniques implemented to determine DST interval velocities rely upon obtaining reference P and S wave arrival times as the probe is advanced into the soil profile By assuming a straight ray travel path from source to seismic receiver and calculating relative reference arrival time differences interval DST velocities are obtained The FMDSM offers distin
16. setto give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired to continue gt Figure 6 Program on PC 1 Transfer Out Command STEP In the above window click the Transfer out to another computer option The system displays the following window Transfer License Out Step 1 of 2 Transfer Dut enables you to transfer a license from this program to an Unlicensed copy on another computer To begin run the unlicensed copy on the remote computer select Transfer License In and follow the Instructions on the EDEN when wou are ready insert the transfer floppy disk into you computer s A dive and press Nest If you are using a dive other than dive A enter its path here AA Browse Cancel Figure 7 Transfer License Out Window Version 15 0 1 D Page 53 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 9 In the above window use the Browse button if necessary to supply the USB Flash Drive path then click Next The program reads the registration imprint file and then writes a matching file to the USB Flash Drive decrementing the license count at the source or discontinuing it if it is a single user license STEP 10 Remove the USB Flash Drive from PC 1 and return it to PC 2 STEP 11 Resume the program on PC 2 If you did not exit from the program in Step 5 proceed to Step 13 If you exited the progr
17. the seismic files are inputted and the type of analysis is specified the Begin Processing button is selected 3 1 1 1 1 Automatic Processing Cascadable Filters The Automatic Processing option refers to Filter Selection and Specifications processing the in situ seismic data without Bandpass Filter Parameters displaying frequency spectra and filtered traces High Pass Frequency Hz Ell Enabled This option saves substantial computing time Low Pass Frequency Hz 100 but is only applicable if the user has insight into the frequency spectrum of the seismic waves of interest It will use the sampling rate specified when the data is acquired and will automatically a diete reduce the seismic traces calculate and display the corresponding velocity accuracy and relative time shift Motch Filter Parameter Motch Frequency Hz 60 Mi Enabled High Pass Filter Parameter High Pass Frequency Hz 30 M Enabled Low Pass Filter Parameter When the Process Data button is selected the Low Pass Frequency Ha 100 Wa Enabled Cascadable Filters dialog box appears see Figure 7 The cascadable filters are digital zero phase shift eighth order bandpass notch high and low pass frequency filters The user enables a filter by checking the Enabled box and specifying the appropriate frequency or frequencies see b below Initial Time Start Time msec E Enabled a Specify Start Time TO The Start Time parameter refers to rem
18. vertical seismic profile arrival time vs depth plot so that smoothed interval velocity estimates are obtained Version 15 0 1 D Page 13 BCE SC1 RAV 2015 Seismic Data Analysis Software In the standard application of Batch Job Analysis the user selects push button Begin Processing in the screen shown in Figure 5 The file input dialog box shown in Figure 21 then appears The user can input multiple seismic files in this dialog box 1 e lt SHIFT gt plus left mouse click or lt CTRL gt plus left mouse click but these files should be related 1 e either all from the right or the left side and have corresponding incremental depths The program automatically sorts the traces according to their respective depths The user then specifies the appropriate filter parameters and selects the OK button from the Cascadable Filters dialog box shown in Figure 7 Batch Job Results l leti he M Upon data processing completion the FIF pr O gr am displays the aver age depths Velocity Accuracy BandPass Time Shift ms vB 120 08 0 9825 30 0 to 100 0 4 9328 calculated interval velocities together fms 154 osr 2000 1000 49682 P Ma 5 173 33 0 9996 30 0 to 100 0 4 9995 with the corresponding accuracies and Bi SS tse Zizimo tes relative arrival times as is shown in Figure 22 The user can save these Jo results to file e g for later Interval A Ce Ve locity pro filing by putting check Specify file for saving estimated a
19. 000 2 70 3 70 0 9693 110 0to 180 0 1670 0 0 000 3 70 4 70 0 9699 110 0to 180 0 1770 0 0 000 470 5 70 0 9693 110 0to 180 0 1800 0 0 000 5 70 6 70 0 9699 110 0to 180 0 1835 0 0 000 102 10 122 10 170 10 210 10 122 10 202 10 22210 270 10 310 10 222 10 a2 a9 35 as Cel CA CA CA Ca Figure 49 Typical interval velocity output file from the Calculate Shear Modulus menu option Version 15 0 1 D Page 29 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 4 View SCI RAV provides four advanced graphical interfaces which allow the user to display derived interval velocities and filter and plot captured uniaxial seismic traces e View Seismic Data e Display VSP e 3D Display e Display Interval Velocities 4 1 View Seismic Data The View Seismic Data option Le EA i B allows the user to analyze an Display Pa OFF Filter GUI EFT viste OFF Display Pre trigger OFF pin Ei vien Export Preview individual seismic file Analysis e A Show Tite features consists of filtering the seismic trace overlaying the unfiltered trace onto the filtered trace and displaying the smoothed Fourier transform of either the unfiltered or filtered seismic time series Upon selecting this option an input dialog box appears where the user specifies the seismic file to process Figure 50 shows the graphical output which appears once the appropriate seismic file has been selected Figure 50 Main graphical inte
20. 0L2_8_2013 3 32 12 PM aci 8 Downloads 3 SCPTS1_0R2_8_2013 3 32 00 PM aci Dropbox 3 SCPTS2_0L2_8_2013 3 32 20 PM aci 1 Recent Places 3 SCPTS2_0R2_8_2013 3 33 20 PM aci 3 SCPTS3_0L2_8_2013 3 33 34 PM aci A Libraries f 3 SCPTS3 OR2 8 2013 3 33 26 PM aci d Music SCPTS4_0L2_8_2013 3 33 42 PM aci Pictures 3 SCPTS4_0R2_8_2013 3 33 49 PM aci E Videos 3 SCPTS5_0L2_8_2013 3 34 05 PM aci 3 SCPTS5_0R2_8_2013 3 33 57 PM aci Computer E SCPTS6_0L2_8_2013 3 34 12 PM aci amp OS C 3 SCPTS6_0R2_8_2013 3 34 18 PM aci All File name Save as type ASCI files aci a Hide Folders Figure 35 Data Stack file input dialog box Figure 36 Specifying the format to save stacked time series Figure 37 Specifying the directory and file name of the stacked time series Version 15 0 1 D Page 23 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 3 Data Interpolation This analysis feature allows the user to increase the resolution of the captured seismic data for post processing purposes which can be useful to obtain relative time shifts utilizing the cross correlation function to perform reverse polarity analysis or to specify trend lines in depth profiling In addition SCI RAV s Data Interpolation software feature allows the user to synchronize seismic time series data captured with differing sampling rates 1 e set data to same sampling rate Figure 38 illustrates the user in
21. 11 23 ACI Fi 1 392 KB RI Desktop _ SCPT408525 0R3 6 2010 11 21 34 aci 03 06 2010 11 21 ACI Fi 1 392 KB 3 Libraries _ SCPT408S25_0R3 6 2010 11 22 05 aci 03 06 2010 11 22 ACI Fi 1 392 KB Documents _ SCPT408526 0L3 6 2010 11 25 55 aci 03 06 2011 ACI Fi 1 392 KB amp Music _ SCPT408S26_0L3 6 2010 11 26 30 aci 03 06 201 ACI Fi 1 392 KB E Pictures _ SCPT408S26_0R3 6 2010 11 27 05 aci 034 ACI Fi 1 392 KB EH Videos _ SCPT408S26_0R3 6 2010 11 27 36 aci 034 ACI Fi 1 392 KB Homegroup _ SCPT408527 0L3 6 2010 11 33 31 aci 03 1 ACI Fi 1 392 KB B Erick _ SCPT408527 0L3 6 2010 11 34 06 aci 034 ACI Fi 1 392 KB HE Computer _ SCPT408S27_0R3 6 2010 11 32 11 aci 034 ACI Fi 1 392 KB amp Local Disk C _ SCPT408S27_0R3 6 2010 11 32 49 aci 03 ACI Fi 1 392 KB 3 DVD RW Drive D _ SCPT408S28_0L3 6 2010 11 36 51 aci 03 ACI Fi 1 392 KB Ga Network _ SCPT408S28_0L3 6 2010 11 37 23 aci 03 ACI Fi 1 392 KB amp Control Panel _ SCPT408S28_0R3 6 2010 11 38 16 aci 034 ACIF 1 392 KB Recycle Bin _ SCPT408S28_0R3 6 2010 11 38 55 aci 034 ACI Fi 1 392 KB _ SCPT408529 0L3 6 2010 11 42 24 aci 03 0 ACI Fi 1 392 KB _ SCPT408529 0L3 6 2010 11 42 58 aci 03 0 ACI Fi 1 392 KB _ SCPT408529 0R3 6 2010 11 41 15 aci 03 ACI Fi 1 392 KB _ SCPT408S29_0R3 6 2010 11 41 50 aci 03 ACIF 1 392 KB _ SCPT408530 0L3 6 2010 11 45 57 aci ACI Fi 1 392 KB _ SCPT408530 0L3 6 2010 11 46 30 aci ACI F 1 392 KB _ SCPT408 30_0R3 6 2010 11 47 03 aci ACI Fi 1
22. 392 KB _ SCPT408530 0R3 6 2010 11 47 39 aci ACI Fi 1 392 KB _ SCPT408S31_0L3 6 2010 11 51 48 aci ACI Fi 1 392 KB _ SCPT408S31_0L3 6 2010 11 52 14 aci ACI Fi 1 392 KB _ SCPT408 31_0R3 6 2010 11 50 50 aci 03 06 2010 11 51 ACI Fi 1 392 KB _ SCPT408531 0R3 6 2010 11 51 17 aci ACI Fi 1 392 KB l _ SCPT408531_7L3 6 2010 11 54 32 aci 03 06 2010 11 54 ACI Fi 1 392 KB _ SCPT408S31_7L3 6 2010 11 55 Type AC Fie I File 1 392 KB _ SCPT408S31_7R3 6 2010 11 55 Date She d 03 06 2010 11 54 AM File 1 392 KB _ SCPT408S31_7R3 6 2010 11 56 057 3700 re I Fi 1 392 KB Filename SCPT408S31_7R3 6 2010 11 56 05 aci SCPT408S1_0L3 6 2010 8 30 07 aci SCPT408S1_0L3 6 2010 8 30 33 aci SCP v ascu files aci z If the SC DAC automatic file naming convention was used for the raw seismic data files the files are then also automatically moved to the appropriate directory If multiple Stacked files were acquired and saved at each depth interval it 1s recommended that the user selects only the latest saved trace This will save significant time in post processing Version 15 0 1 D Page 43 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 6 Chart Formatting Exporting and Printing The graphical edit button T displayed in various screens allows for chart formatting printing and exporting Figure 70 illustrates the graphical interface that appears when this button is selected which allows for exte
23. Arrival Times to allow for 1 a inez calculating arrival times from relative arrivals and reference to obtain true arrival times from the VSP estimated relative arrivals 2 saving arrival Calculate Arrival Times from Relative Arrivals and Reference Time Depth m 0 Arrival Time ms 0 N A Jem Save Export Calculated Arrival Times instead of user specified arrival times times within a text file and 3 Save Arrival Times within Text File exporting arrival times to a FMDSM Select Specify Text File database specified by the user Eigiori Antal Thess lo ERDEM Dabi default name TrendLineEst please Site Name TrendLineEst note that when the box export Calculated Arrival Times is checked the calculated rather than the estimated relative arrivals are stored or exported Save TLES to save the trend line data Filter GUI to open the Cascadable Filters dialog box as shown in Figure 7 which allows the user to specify the filter parameters Normalize to normalize the displayed seismic wave traces to 1 0 alternatively the seismic amplitudes are scaled relative to the maximum amplitude within the displayed seismic profile Save to save the latest defined chart settings within the sc ravini file for future applications Normalize to normalize the displayed seismic wave traces to 1 0 alternatively the seismic amplitudes are scaled relative to the maximum amplitude within the displayed seismic profile Load to en
24. Filter Parameters Enabled High Pass Frequency Hz 30 Low Pass Frequency Hz 110 Initial Time back in time from f until the second zero crossing reached and back end second zero crossing from cs Start Time msec E Enabled Figure 42 shows the user interface for this software option The Initial Time Decay ms and Decay Factor 1 ms are required user input The Decay Figure 42 User interface for Signal Factor is defaulted to 1 0 As the Decay Factor is Decay batch processing increased there is a sharper decay of the time series data at the specified time index The user interface also allows the implementation of a Bandpass Filter and the Initial Time parameter is as described in Section 3 1 1 1 1 Next the user presses button Load Files and Apply to select the files that need to be processed Once signal decay has been applied to the selected files the processed files are stored in sub directory Signal Decay created in the same directory as the selected files if not already present and renamed with SD appended to the file name Figures 43 44 and 45 illustrate the ETT TINA A EE use of the Initial Time parameter s Maert Figure 43 oultines a VSP where there A A B SEAR SBE SORRIDE PR A is a strong seismic response within 20 ms prior to the arrival of the BR YAYA ad a desired SH wave starting at nhf um A approximately 60 ms at depth 12m if Figure 44 shows the same VSP after applying an In
25. GSeicmic Data gt en gt i gt gt Cisslay Fitered OFF Ovcilay racsx DFS Filler GU ER Display OFF Display Fretrgge OFF rnt Preview E por Preview ED S MY Display Site Infrrmaion Chart Title HA An O Srcw THe E Time ms 4 5002300 Amplitude 0 984852132 o C UJers Gerald Dropbex BCE SCPT 2014 Softwarc SC1 System Training 2014 T Figure 67 View gt Seismic Data display with the Amplitude and Time default settings Precision Digits and Increment set at 9 9 0 00001 and 6 6 0 00001 respectively Version 15 0 1 D Page 41 BCE SC1 RAV 2015 Seismic Data Analysis Software 5 2 Sensor Type and Units tr Sensors Utlilized and Units Preferred S e The Sensor Type and Units dialog boxes are shown in Figure 68 The Sensor Type Specification interface allows the user to specify whether an Accelerometer output Om proportional to particle acceleration or a Geophone output proportional to particle velocity is used This selection should be made prior to any analysis or displays described in Sections 3 0 and 4 0 The Desired Units user interface facilitates the specification of whether the particle Figure 68 Sensor Type and Units dialog boxes Sensor Type Specification Desired Units Geophone velocities and accelerations recorded are J given in units of m s and m s or mm s and 2 i mm s respectively Version 15 0 1 D Page 42 BCE SC1 RAV 2015 Seismic D
26. N significantly It should be noted that ifthe A WN ya 15 5 user wants to apply the decay from the start of the trace to the Initial Decay Time i then check box Front End Decay must be z nen i N NA 5 165 J 7 U SA checked The Initial Time Decay parameter i assumes that any pre trigger data has been __ A y removed from the seismic trace For this j reason it is advised that software option i Display Pre trigger 1s unchecked when determining the Initial Decay Parameter within software options View gt VSP Display and View gt Seismic Data STA E pr Figure 41 Example of applying the Signal Decay option to time series data with source wave multiples It should be noted that when applying Signal Decay the saved file will not retain the pre trigger information Version 15 0 1 D Page 25 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 4 2 Batch Option Signal decay can also be performed in batch mode in which case signal decay is applied to the entire trace i e both front and back decay The algorithm then applies a signal decay time window centered at the time location of the absolute maximum amplitude of the seismic trace under analysis The signal decay time window is defined as the front end second zero crossing 1 e moving Automated Signal Decay Alt Aft elt to where t gt to to initial decay time and h decay factor Decay Factor 1 ms 1 0 Bandpass
27. SC1 RAV 2015 User s Reference Manual 3CE SUB SURFACE DIAGNOSTICS C1 RAV 2015 Edition CE SUB SURFACE DIAGNOSTICS Version 15 0 1 June 2015 BCE SC1 RAV 2015 Seismic Data Analysis Software BCE amp mission is to provide our clients around the world with state of the art seismic data acquisition and analysis systems which allow for better and faster diagnostics of the sub surface The company provides state of the art hardware and software solutions for a wide variety of seismic engineering applications If necessary we will customize our products to suit the requirements of our clients even better BCE s products and services consist of e Seismic Data Acquisition and Signal Conditioning Hardware Seismic Data Processing Software Applied Seismology Consulting Services Seismic Data Processing Professional Seminars By publishing this manual we will hopefully provide a better understanding of downhole seismic testing and the role it can play in geotechnical investigations Baziw Consulting Engineers Ltd 3943 West 32nd Avenue Vancouver B C Canada V6S 1Z4 url www bcengineers com email info bcengineers com 1998 2015 Baziw Consulting Engineers Ltd All rights reserved The content on this work is protected by the copyrights of Baziw Consulting Engineers Ltd No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic m
28. SM by selecting icon ae SC1 RAV 2013 Upon completion of the FMDSM Fie Semi nai View Utes Window Hep the screen shown in Figure 337 appears a graphical representation e of the estimated interval velocities a Depth with ray tracing implemented by Mi se ma ii se BAM checking box Ray Trace The color gradient of the graphic can be changed by selecting push buttons Start Mid and End Dial Steps allow the user to modify the color step increments in the interval velocity display The estimated interval velocities are entered into the selected database as shown in Figure 34 E Receiver 0 1 Calculate Velocities Figure 33 FMDSM graphical screen after completion of the interval velocity gt The results shown in Figure 33 are derived with the SCPTDEMO database provided within the SCI RAV M software installation package In this SCPTDEMO database there are measurements for depths from 0 5 m to 9 5 m with a depth increment of 1 In this example the Source Depth Offset is set to 0 and the Source Radial Offset is 1 0 m Version 15 0 1 D Page 21 BCE SC1 RAV 2015 Seismic Data Analysis Software Arrival Times Specification M 4 gt pi a 4 Site Name Depth m o Arrival Time ms Weight 0 1 V1 m s Residual 1 ms Y2 m s Residual 2 ms v3 m s Residual 3 ms SCPTDEMO f 13 975 1 SCPTDEMO i 27 4555 SCPTDEMO 33 5112 SCPTDEMO 43 09 SCPTDEMO i 51 4033 SCPTDEMO i 58 537 SCPTDEMO
29. Software Appendix 3 SC1 RAV 2015 Installation Procedure 48 Appendix 4 USB Flash Drive License Transfer Procedure 50 Appendix 5 License Removal Procedure 57 Version 15 0 1 D Page iv BCE SC1 RAV 2015 Seismic Data Analysis Software List of Figures Figure 1 MaanMenuandToolBar nSCI RAVIN 4 Figure 2 Geotech Data Conversion dialog DOX L 4 Figure 3 Site Information dialog DOK sssccsossivactysaisnssiaciweatsines innshassacntslnctawesameborasaeosloasacdsimotelaenines ant 4 Figure 4 Interval Velocities submenu with corresponding analysis options 5 Figure 5 Crosscorrelation Technique Interval Velocities dialog DOX 6 Figure 6 File Input dialog DOX i 6 Figure 7 Cascada ble Fillers GidlO DOK meme noel ala ap AMR i R ar 7 Figure 8 Illustration of high impact amplitudes and high bandwidth signals due to rod noise 7 Figure 9 Velocity Cross correlation Coefficient and Time Shift Estimates 8 Pare 22 Ly iCal sOU A MM YE 9 Figure 10 Save Velocity Data dialog DOX 9 Figure L SERE mite ge mation dialog DOX sesno E A ER E 9 Figure 13 Start time speci fication message dialog DOX 10 Figure 14 Graphically specifying the start time parameter
30. The user can specify the chart title by entering it in the box and the chart title is displayed by checking the Show Title box The chart title font can be changed by clicking on the Font icon I which opens a dialog box see Figure 53 Figure 54a shows the graphical results after specifying a bandpass of 30 to 100 Hz The user may then overlay the unfiltered seismic trace onto the filtered trace by selecting checkbox Overlay as illustrated in Figure 54b The smoothed Fast Fourier Transform FFT of either the unfiltered or filtered seismic trace is derived and displayed by selecting checkbox FFT The frequency spectrum of the filtered trace is displayed if the checkbox Filter is selected along with the FFT checkbox Otherwise the unfiltered seismic trace s frequency spectrum is displayed Figure 54c illustrates the frequency spectrum of the filtered data file shown in Figure 54a Finally in Figure 54d shows the filtered trace with the pre trigger data displayed as well TeeChart Print Preview Printer HPBCOSES HP Officejet 6500 Setup Orientation Portrait Landscape Margins gt a Es Es 15 ha 15 ha 29 Figure 51 Print Preview dialog box Picture Native Data Format Figure 52 Export dialog box Figure 53 Font dialog box Version 15 0 1 D Page 31 BCE SC1 RAV 2015 Seismic Data Analysis Software Seismic Data gt i B Display Filtered ON Overl
31. Ubutton and subsequently filter the newly created site e g SCPTNew by highlighting it within the scroll list of available sites on bottom of the user interface window and selecting the Filter Selected Site button Complete population of the new site by inputting all available depths and corresponding arrival times and weights as illustrated in Figure 32 3 Manually by selecting the database interface instead of moving to the bottom of the list After that the steps described under option 2 are performed Version 15 0 1 D Page 20 BCE SC1 RAV 2015 Seismic Data Analysis Software Arrival Times Specification nom gt Lot wl v Site Name Depth m Arrival Time ms Weight 0 V1 m s Residual 1 ms Y2 m s Residual 2 ms Y3 m s Residual 3 ms SCPTNew 1 10 1 SCPTNew 2 1 oe Filter Selected Site Show All Sites 3CPTChilako_092013 n m rq_tk1s SCPTChilako_92013_3 SCPTChilako_92013_2 Enbridgelan9 Enbridge an3 B Delete Selected Site Enno Mfr Selected Sie MI Save as Test Fie Figure 32 Filtering a newly created database SCPTNew with theinitial entries illustrated After selecting the desired DST site the user then clicks icon HEHE to commence the implementation of the FMDSM This will return the program to the FMDSM main graphical screen previously illustrated in Figure 27 where icon EN has to be selected to execute the FMDSM algorithm The user may abort the FMD
32. able the latest defined chart settings Legend to enable and disable the display of chart legend Print Preview to open the Print Preview dialog box see Figure 51 Export Preview to open the Export dialog box see Figure 52 Figure 57 Export Arrival Times dialog box Below the buttons there are two additional checkboxes Enable Closest Depth checking this box will ensure that when specifying trend lines the software will automatically matches the time selection to the closest data depth see footnote 1 The checkbox Display Site Information allows to user to specify whether or not the SCPT Site Information is displayed below the graphs The user can specify the chart title by entering it in the box and the chart title is displayed by checking the Show Title box The chart title font can be changed by clicking on the Font icon I which opens a dialog box see Figure 53 The checkbox Display Arrival Times allows the user to specify a specific file with saved arrival times which are then displayed as diamonds in the graph Figure 58 illustrates a VSP Display of the PPA values As mentioned above the display of these values can be enabled and disabled by toggling user interface button Gi Version 15 0 1 D Page 34 BCE SC1 RAV 2015 Seismic Data Analysis Software Seismic Profile As the user moves the cursor over individual traces the corresponding sais ares es turin roast ieee Dipl eal aa an file name of the seismic t
33. am in Step 5 the following window appears when you start the program again Transfer License In There is already a transfer in progress This means you have already performed the initial steps of a Transfer n but chose to suspend the transfer until a later time Tou can choose to complete the pending transfer or start over Warning Choosing Begin a new Transfer will delete the old transfer information f you have already copied a license onto the floppy disk from the old transfer that licenze will be lost In this case select Continue Pending Transfer Begin a new transfer Cancel Figure 8 Transfer in Progress Window Version 15 0 1 D Page 54 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 12 The above window simply advises you that you have previously initiated a license transfer To continue this operation click Continue existing transfer in the above window The following window is displayed Continue Pending Transfer Continue Pending Transfer allows you to resume a Transfer In that wou have already started fou should already have copied a license on to the floppy disk via a Transfer Out from an authorized site Insert the transfer disk into pour computer s floppy drive and press Nest This should be the same disk that you used for the previous steps in the transfer process If you are using a dive other than dive A enter its path here fa
34. associated with improperly specified arrival times or is indicative of lateral soil heterogeneity Version 15 0 1 D Page 22 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 2 Data Stack The Data Stack option allows the user to post stack acquired seismic cone time series When selecting this option the file input dialog box shown in Figure 35 appears where the user can select the seismic files to stack The user can input multiply seismic files in this dialog box 1 e lt SHIFT gt plus left mouse click or lt CTRL gt plus left mouse click After specifying the files to be stacked the user is asked to specify the format of the stacked data file either ASCII or Binary format as shown in Figure 36 and the directory and name for this file as 1s shown in Figure 37 Hr Data Stack Output File Specification Save Data As ASCII Binary an i Li Specify Seismic Data Files to Stack Go SCI RAV Manual 2013 SC1 DAC Pro Data 3 Search SCI DAC Pro Data p Organize v New folder a Gil Se Favorites z Name Date modified Type Siz BE Desktop a SCPTS2_OR2_8_2013 3 33 20 PM aci 08 02 20131 33PM ACI File IB Downloads E SCPTS3 0L2 8 2013 3 33 34 PM aci 08 02 2013 1 33 PM ACI File Dropbox E SCPTS3_OR2_8_2013 3 33 26 PM aci 08 02 20131 33PM ACI File E Recent Places 3 SCPTS4_0L2 8 2013 3 33 42 PM aci 08 02 2013 1 33 PM ACI File
35. ata Analysis Software 5 3 Sort SH Data Files and Create Working Directories Within this Utilities option the user can automatically create all necessary SH wave working directories When this software option is a selected a standard file open dialog box is displayed as shown in Figure 69 where the user can navigate to the directory where the seismic data resides select all acquired seismic data files for a specific DST or SCPT profile and then press interface button Open SCI RAV will then create the following subdirectories Left Side Right Side Reverse Polarity SCPT Results E Specify Seismic SH Data Files to Sort e e Go Local pi Md JOBS BCE BCE Clients Wiertsema amp Partners June6 2011 Data raw data SCPT 408 X 4 Search raw data SCPT 408 p Figure 69 User interface imi e e e e km gt 29 dialog box for selecting files SX Favorites Name Date modified Type Size RI Desktop SCPT408S24_OR3 6 2010 11 18 10 aci 03 06 2010 11 18 ACIFi 1 392 KB to b e so rt e d Downloads _ SCPT408524 0R3 6 2010 11 18 44 aci 03 06 2010 11 18 ACIFI 1 392 KB B Dropbox _ SCPT408525_0L3 6 2010 11 22 40 aci 03 06 2010 11 ACI Fi 1 392 KB _ SCPT408525 0L3 6 2010 11 23 09 aci 03 06 2010
36. ata previously stored in the database are overwritten and the new data are stored in the FMDSM database with measurement weights set to 1 However in a typical SH wave FMDSM analysis procedure the first arrival time estimates exported are estimates obtained from right side seismic traces acquired from the right side of the seismic probe Next the estimated left side arrival times should be exported to the FMDSM database By selecting the option Average Record selected the estimated arrival times from the right side already in the database and left side will be averaged and stored in the FMDSM database with measurement weights set to 1 Batch Job Results wi lie Depth Yelocity Accuracy BandPass Time Shift ms 1 50 138 37 09925 30 0 to 100 0 4 9328 2 50 138 37 0 9976 30 0 to 100 0 4 9662 3 50 177 98 0 9996 30 0 to 100 0 4 9995 4 50 177 98 09994 30 0 to 100 0 4 9995 5 50 187 90 09997 30 0 to 100 0 4 9995 Estimated Arrival Times Depth Arrival Time Arrival Time Saving and FHSDH Database Exporting m ms Specify file for saving estimated arrival times 1 000 5 10 2 000 10 03 h 3 000 15 00 Site Name SCPT N A 4 000 20 00 5 000 25 00 6 000 30 00 vererite Record Average Record Figure 24 Implementation of the LLSR technique on the relative arrival times illustrated in Figure 20 Version 15 0 1 D Page 15 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 1 2 Reverse Polarity Techn
37. aving an approximate first break arrival time of 20 ms The subsequent DST arrival times are then derived based upon the calculated cross correlation relative arrival times and the user specified reference arrival time and corresponding vertical depth The DST arrival times are important input parameters into the Forward Modeling Downhole Simplex Method FMDSM as outlined in Section 3 1 3 Version 15 0 1 D Page 14 Figure 23 Estimating a reference arrival time of 20 ms at a vertical depth of 4 m BCE SC1 RAV 2015 Seismic Data Analysis Software The panel Arrival Time Saving and Exporting allow for the user to save estimated arrival times and exporting to the FMDSM aaa As illustrated in Figure 24 the Estimated Arrival Times can be saved by selecting button The ability to export the estimated arrival times to the FMDSM database provides significant post processing time saving The SC RAV software either extracts the Site Name from a SCI DAC file based upon the SC DAC automatic file naming convention or if an alternative acquisition system is utilized the investigator is required to manually input the desired Site Name within the text box provided the default entry for this field is SCPT By clicking on button HE the estimated arrival times are exported to the FMDSM database When exporting the data the user can select from two options When option Overwrite Record 1s selected which is also the default setting d
38. ay Traces OFF Filter GUI FFT Display OFF Display Pre trigger OFF Print Preview Export Preview PS ii EB Display Site Information Chart Title N A ry Show Title Seismic Data gt gt amp Ep A En Display Filtered ON Overlay Traces ON Filter GUI ner Display OFF Display Pre trigger DFF Print Preview Export Preview IH Display Site Information Chart Title N A A Show Title Seismic Data gt gt Display Filtered ON Overlay Traces ON Filter GUI EFT Display ON Display Pre tigger OFF Print Preview Export Preview ES ri Display Site Information Chart Title N A A Show Title 20 40 60 80 100 120 140 160 180 200 220 240 260 260 300 320 340 360 380 Hz Seismic Data 2 Ko E3 Eb b K7 gt Display Filtered ON Overlay Traces em Filter GUI FFT Display OFF Display Pre tigger ON Print Preview Export Preview iS H LAJ Show Title Figure 54 Seismic trace in View Seismic Data software option A filtered B Overlaying unfiltered seismic time series onto filtered time series C Frequency spectrum of seismic time series D With pre trigger data displayed Version 15 0 1 D Page 32 BCE SC1 RAV 2015 Seismic Data Analysis Software 4 2 Display VSP T d Simulator scldacPro2014 Search scldacPro2014 P When the user selects the Display VSP senzer Nerfolder im E a i z ns Name e modified Type option the file input d
39. box see Figure 5 with the Manual Processing option enabled By selecting push button Yes in Figure 13 then the output illustrated in Figure 14 appears if push button No is selected the program will move to the Spectral Analysis as Figure 13 Start time speci shown in Figure 15 fication message dialog box In Figure 14 the seismic traces to be analyzed 1 e DR4 aci and DR7 ac1 are displayed The cross hair displayed in chart window is moved around by the mouse with the corresponding time displayed in ms at the top of the chart The time window can be zoomed into a desired range by pressing the left mouse button and moving the mouse left to right The seismic traces are shifted left to right by pressing the right mouse button and moving the mouse The user can zoom out again by pressing the left mouse button and moving the mouse right to left The start time TO is selected by pressing the middle mouse button or lt Shift gt right or left mouse buttons The selected Start Time TO can be Figure 14 Graphically specifying cleared by double clicking on the left mouse button the start time parameter The grey chart spacer allows the user to expand or contract the individual charts as desired Once the Version 15 0 1 D Page 10 BCE SC1 RAV 2015 Seismic Data Analysis Software start time has been defined by clicking on the OK button at the top left of Figure 14 the program will move to the Spectral Analysis as shown in Fig
40. cadable Filter dialog box The user can enable a bandpass filter by enabling check box Bandpass Filter The frequency bandpass is selected by pressing the middle mouse button or lt shift gt right or left mouse button for each frequency in the bandpass ie Fl lt F2 Figure 15 illustrates the frequencies selected by the characters Fl and F2 The Notch Low Pass and High Pass Filters are enabled by checking the appropriate check boxes and specifying the notch low pass and high pass frequencies respectively The user repeats this process with the seismic trace defined in data file Ds7 aci Once the user has interactively defined the digital filter parameters the filtered traces are displayed as is illustrated in Figure 16 The user may superimpose the filtered onto the unfiltered traces by selecting check box Unfiltered Traces as 1s illustrated in Figure 17 Version 15 0 1 D Page 11 BCE SC1 RAV 2015 Seismic Data Analysis Software Filtered and Unfiltered Seismic Traces O x Filtered and Unfiltered Seismic Traces 200 250 200 250 Untitered Traces Time ms Time ms fea Data File C JOBS SCPT Software201 31SC1 RAV201 SidatalDr aci bandpass 24 425 Hz to 107 759 Hz 200 250 200 250 Time ms Time ms Figure 16 Filtered seismic traces Figure 17 Superposition of filtered traces onto unfiltered seismic traces Once the user quits this display a question box appears as 1s e shown in Figure 18 and the user is ask
41. ct advantages over conventional DST velocity profile estimation methods such as e utilization of Snell s Law at layer boundaries for ray path refraction e optimization of a non linear cost function which takes into account more details of the DST testing environment and the recorded seismic data e allowance for measurement weights to be specified the possibility to incorporate unlimited input data e g crossover point arrival times maximum cross correlation time shifts angles of incidence and P wave S wave time separations into the interval velocity estimation algorithm e ability to accurately interpolate interval velocities when measurement data are not available e reporting of meaningful error residuals which indicate the accuracy of the estimated interval velocity Please refer to Appendix 2 for further ie smema ver tune nden a S details nd the ability of the FMSDM to obtain variable interval velocity rr estimates In the FMDSM the user is provided with a user friendly interface to specify seismic wave arrival times with corresponding weights within a Windows compatible database This information is derived from implementing SCI RAV menu options Cross correlation Technique gt Batch Job Analysis with Display and Calculate Arrival Times option enabled The graphical screen illustrated in Figure 27 appears when the FMDSM menu option is selected E g 5 a Figure 27 Main graphical int
42. d seismic traces so that sts t Crosscorelation Technique N A Apply Data Stack Reverse Polarity important geotechnical design parameters are Apri Data sic er obtained As shown in Figure 4 this menu has Apply Signal Decay r six different options ali Da Calculate Shear Modulus e Calculate Interval Velocities e Apply Data Stack Figure 4 Interval Velocities submenu with e Apply Data Interpolation corresponding analysis options e Apply Signal Decay e Change Polarity Calculate Shear Modulus In this menu the user specifies the desired option by selecting the appropriate graphical tabs or corresponding toolbar icon 3 1 Calculate Interval Velocities When selecting the Calculate Interval Velocities option in the Seismic Analysis menu a submenu as shown in Figure 4 appears This submenu allows the user to select one of three available algorithms to derive Downhole Seismic Testing DST interval velocities e the Cross correlation Technique e the Reverse Polarity Technique e the Forward Modeling Downhill Simplex Method FMDSM The Sensor Type geophone or accelerometer should be specified prior to the implementation of the options under Seismic Analysis Section 5 2 outlines the Sensor Type and Units menu and corresponding interface Version 15 0 1 D Page 5 BCE SC1 RAV 2015 Seismic Data Analysis Software 3 1 1 Cross correlation Technique ayse Analyze by Pairs Filtering Analysis The Cross c
43. e Directory List icon and then selecting the file from the window that Figure 62 Interval Velocity Display dialog box opens as well as the velocity type and plot type Finally the user specifies whether the velocity has to be displayed by itself or together with either the frequency bandpass or the accuracy Once the required entries have been made the user clicks the Open button to generate a graph similar to Figure 63 1 Velocity Plot File C Users Gerald Dropbox BCE SCPT 2014 Software SC1 DA EE Ti X j gt Velocity Plot File C Users Gerald Dropbox BCE SCPT 2014 Software SC1 DA EE TH X Velocity m s Velocity m s 130 140 150 160 170 130 140 150 160 170 7 l 0 Depth m Depth m Figure 63 Interval Velocity Display incremental depth with frequency bandpass information on the left depth bars with accuracy on the right At the top of this figure there are various checkboxes and icons e The Edit Chart Settings icon Fy opens the dialog box shown in Figure 69 with which the chart settings can be changed this option can also be used to export or print the chart e The settings can be stored by clicking on the Save Chart Settings icon iri e The user can also apply previously stored chart settings by clicking on the Load Chart Settings icon e Clicking the Print Preview button opens the dialog box shown in Figure 70 with which the chart can be printed e The checkbox Display Site Information all
44. e Polarity TEC L ue sese desa sinek dsl Mad ininde rotaia ira eda 16 3 13ForwardModelingDownhillSimplexMethod 17 e N Be Ye 23 Do MDAC ip e a ja 24 gt Le ime Sees MGC tp Ol AON ae iui 24 ee DA SO 1 ee ne e e pers fk a acted neato kan e nk ae enkei kai 24 A iv 162 D A EE 2 SA meli hen aCe kem ie anka AAA 25 9 AZ AEC PEON ciano ai 26 gt Chiellini 27 Lo Cak lite bee Moduls ese EAE ES Zi Chapter 4 Vi ll al ye ll akya 30 ye cg BN 30 Be Dip leo 33 4 Dil ea 36 44 Dipla bien bol 39 Chapter 5 US i nn E A 40 3 e ar e a A A RM 40 gt gt enson EVA ING aaa se AN RN 42 3 3 SornsSHDatafilesandCreateWorkingbDirectortes 43 Chapter 6 Chart Formatting Export ng andPrin ng 44 Chapter 7 Window SUBIC D L Sa mesai e dida 45 Chapter 8 Help Bre 11 8 0 E RM 45 Appendix 1 Baziw E J 1993 Digital filtering techniques for interpreting seismic cone data Journal of Geotechnical Engineering Vol 119 No 6 ASCE 98 1018 46 Appendix 2 Baziw E J 2002 Derivation of seismic cone interval velocities utilizing forward modeling and the downhill simplex method Can Geotech J vol 39 pp 1 12 47 Appendix 3 SC1 RAV 2015 Installation Procedure 48 Version 15 0 1 D Page 111 BCE SC1 RAV 2015 Seismic Data Analysis
45. echanical photocopying or otherwise without the prior written permission of Baziw Consulting Engineers Ltd Although every precaution has been taken in the preparation of this manual we assume no responsibility for any errors or omissions nor do we assume liability for damages resulting from the use of the information contained in this manual Version 15 0 1 D Page 1 BCE SC1 RAV 2015 Seismic Data Analysis Software e ability to apply notch filter on harmonics within the Cascadable Filters e enhanced display options when viewing seismic data and displaying standard VSPs or full waveform VSPs e option to save or export user specified arrival times when displaying standard VSPs and to display previously saved arrival times when displaying standard VSPs Version 15 0 1 D Page ll BCE SC1 RAV 2015 Seismic Data Analysis Software Table of Contents PSO licia NN MY V Chapter 1 Mro ne O ea a nal ere E E EEEE E E E eee Oe i kl MISERI iii asse 1 1 2 Organizatlonofusersmanual 2 Chapter 2 Main Menu and 100l e 7 ME aaa 3 A E a O RAN RA RR MAYA 3 De FANG SO MAC MUA O RR RA 4 Chapter 3 SC D dl ere bez Kp e e Li A EN gt 3 l ICross correlattonTlechnigue 6 Dele ail ZA RR em Ea Ha a le a e oee 6 3111 lAutomaticProcessing 7 o Mele VEDE BS e E 10 IEL AU OD Al iii ritirate PAR 13 9 1 2 Revers
46. ed whether he wants to re filter the seismic traces If the Yes push button 1s selected then the previously outlined procedure 1s repeated 1 e re specifying the frequency bands The reason for re filtermg should be apparent from the wave signatures If the filtered waves appearing in Figure 16 are substantially different one or both should be re filtered so as to find waves with similar signatures Figure 18 Question box Crosscorrelation Function If re filtering is not required the two filtered vlc 109 16 at depth 320 wih accuracy TS Tine shit 2000 traces will be cross correlated and the cross correlation function will be displayed as illustrated in Figure 19 The highest positive value in the cross correlation function is indicative of the time offset between the seismic traces Once the user exits the cross correlation plot the velocity depth and accuracy of the interval velocity estimate are then displayed as outlined in Figure 9 and the user is prompted whether he would like to store estimates in a data file as was described in Figures 10 and 11 8 15 0 213 Seismic Data Files C WOBSISCPTSoftware2013 5C1 RAY2013data Dr4 aci and C WOBSISCPTiSoftware201 3SC1 RAYV2013Wdata Dr7 aci 1 g 2 E lt 15 20 2 30 35 40 45 50 55 60 65 70 75 80 8 90 95 Time Shift ms The edit button displayed at the top left hand Ores a a ea ea filtered seismic data defined in files Ds4 aci and re or Lo
47. epest specified mass density value is utilized in subsequent calculations of Gmax Vs p p WP W2P gt dx P P where dx P2 W dx dx w dx dx and dx dx dx Figure 48 Calculation of the interval mass density when the interval velocity and mass density depth increments are not synchronized Figure 49 shows the appended density and Gmax values of a typical interval velocity output file after implementation of the Shear Modulus Calculation menu option The interval velocity file with shear modulus values appended has a name similar to the original interval velocity file name but with SM appended e g test txt becomes test SM txt Version 15 0 1 D Page 28 BCE SC1 RAV 2015 Seismic Data Analysis Software 2014 Project Name Manual ProjectNumber 001 Client BCE Test Number 1 Location Vancouver office Site Operator GV A Site Date 6 26 2015 11 21 43 AM Coordinate System N A Coordinate X N A Coordinate Y N A Reference Level N A Water Level N A Ground Level N A Velocity Type Depth Depth2 Accuracy Bandpass density Gmax m sec m m Hertz kg m3 bars 1 70 2 70 0 9699 30 0t0 100 0 1570 0 163 663 2 70 3 70 0 9693 30 0to 100 0 1670 0 248 970 3 70 4 70 0 9699 30 0to 100 0 1770 0 512 132 470 5 70 0 9693 30 0to 100 0 1800 0 794 556 5 70 6 70 0 9699 30 0to 100 0 1835 0 273 569 1 70 2 70 0 9699 110 0to 180 0 1570 0 0
48. erface screen in the FMDSM software option showing the Source Offset Parameters input tab Version 15 0 1 D Page 17 BCE SC1 RAV 2015 Seismic Data Analysis Software The first step in implementing the FMDSM is for the user to specify important parameters Radial The radial offset of the DST source from the seismic receiver Depth The depth offset of the DST source from the ground surface Once these parameters have been specified the user must either generate or select a database which contains the required DST arrival times This step is carried out selecting the Database Site Name Depth m Arrival Time ms Weight 0 V1 m s Residual 1 ms Y2 m s Residual 2 ms Y3 m s Residual 3 ms gt SCPTDEMO _ b 13 975 80 0 0 0 SCPTDEMO 20 9795 893 0 0 89 3 0 SCPTDEMO 27 4555 124 9 0 0 124 9 0 0 SCPTDEMO 33 5112 148 9 0 0 148 9 0 0 SCPTDEMO f 43 09 101 3 0 0 101 3 0 0 SCPTDEMO i 51 4033 117 7 0 0 117 7 0 0 SCPTDEMO 58 537 137 6 0 0 137 6 0 0 SCPTDEMO 66 231 128 2 0 0 128 2 0 0 SCPTDEMO 70 8411 213 9 0 0 213 9 070 SCPTDEMO 75 829 197 6 0 0 0 O 0 01 War Memorial Hall Wa 3 00 01 War Memorial Hall Wa 363 0 01 War Memorial Hall Wa 363 0 01 War Memorial Hall Wa f 367 1 0 367 1 1E 7 01 War Memorial Hall Wa 300 9 0 300 9 0 01 War Memorial Hall Wa 339 3 D 339 3 0 01 War Memorial Hall Wa f 292 8 0 292 8 0 01 War Memorial Hall Wa i j 265 8 0 265 8 0 01 War Memorial Hal
49. erval velocity file as new column entries Interval Velocity File C WOBS SCPT Documentations CI y Begin Processing As is shown in Figure 46 the input values for the Shear Modulus Calculation are as follows F iene 46 Calculate Shear Modulus dialog box 1 Interval Velocity File This is the same output file outlined in Figure 12 2 Interval Density File This file contains the interval mass density values as is illustrated in Figure 47 The file should be specified in column format where Depth m and Depth2 m are the lower and upper depth of each intervals for which a mass density 1s given The mass density values must be given in units of kg m 3 Interval Gmax Units This interface allows the user to specify the units in which the Gmax values are to be stored Version 15 0 1 D Page 27 BCE SC1 RAV 2015 Seismic Data Analysis Software Depthl m Depth2 m Density kg m3 1 0 2 0 1500 2 0 3 0 1600 3 0 4 0 1700 4 0 5 0 1800 5 0 6 0 1800 6 0 7 0 1850 7 0 8 0 1850 8 0 9 0 1900 9 0 10 0 1900 Figure 47 Typical interval mass density text file After specification of the appropriate files and desired Gmax units the user selects the Begin Processing push button If the interval velocities and mass density depth increments are not synchronized a weighted average is calculated as is illustrated in Figure 48 If the depth of the interval velocities exceeds those of the given mass densities the de
50. eting seismic cone data Journal of Geotechnical Engineering Vol 119 No 6 ASCE 98 1018 Version 15 0 1 D Page 46 BCE SC1 RAV 2015 Seismic Data Analysis Software Appendix 2 Baziw E J 2002 Derivation of seismic cone interval velocities utilizing forward modeling and the downhill simplex method Can Geotech J vol 39 pp 1 12 Version 15 0 1 D Page 47 BCE SC1 RAV 2015 Seismic Data Analysis Software Appendix 3 SC1 RAV 2015 Installation Procedure STEP I Run setup exe as an administrator When the screen below appears leave Launch the program checked This will allow for the CrypKey drivers to be automatically installed 45 SC3 RAV InstallShield Wizard InstallShield Wizard Completed The InstallShield Wizard has successfully installed SC3 RAV Click Finish to exit the wizard Launch the program Cancel Version 15 0 1 D Page 48 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 2 Obtain Site Key for SC1 RAV Run SCI RAVTM as an administrator On the first execution of SC1 RAV the interface below appears Email cut and paste BCE the Site Code e g 25FE A423 E44E CBC5 E4 BCE email will then email the required Site Key for validation SC1 RAV License Configuration Program License Help GP Program not authorized Site Code 25FE A4ZIE44E CECS EA Site Key Validate SC1 RAV 5CPT Analysis Software To obtain your Site K
51. ey please email your Site Code to info bcengineers com Version 15 0 1 D Page 49 BCE SC1 RAV 2015 Seismic Data Analysis Software Appendix 4 USB Flash Drive License Transfer Procedure This type of operation transfers a license from an existing authorized copy of an application on one computer to an unauthorized copy of the product on a second computer The transfer process does not jeopardize your license in any way and is completely secure because the USB Flash Drive is registered to a specific PC in a specific location This ensures the license can only be transferred to the target PC you specify Please note where the software shows floppy drive a USB flash drive can be used as the medium instead The procedure is illustrated by the transfer of the Calculator example program from PC 1 to PC 2 STEP 1 Ensure that you have an authorized copy of the application on PC 1 an unauthorized copy of the application on PC 2 and a USB Flash Drive inserted into PC 2 STEP 2 Your first operation is on the unauthorized computer 1 e PC 2 Start the program on PC 2 The program s opening window is shown below 75 Protected Calculator License Configuration Program License Help E Program not authorized Site Code Display Site Code e Site Key CrypKey Instant Demonstration This ig the configurable message box If this were your program YOL can easily put your custom tailored message here ou can even
52. g points for inexperienced users have already been entered but these values can obviously be changed Generally the only frequency filter required is either the bandpass filter or the low pass filter For the bandpass filter both the low pass and high pass frequency must be specified to define the bandpass that isolates the seismic wave being reviewed Typically these values are set at 30 Hz and 120 Hz to 140 Hz respectively for a SH wave analysis For the low pass filter the cutoff frequency is normally set between 120 and 140 Hz The notch filter option is provided so that the user may remove unwanted frequencies such as those due to power supplies e g 60 or 120Hz or electrical transmission line effects and by checking the Remove Harmonics box the program will also remove frequencies equal to double and triple the frequency specified from the seismic trace If the band of frequencies desired is too narrow or wide then a set of cascadable low pass and high pass frequency filters can be utilized Next the user implements the specified filter parameters by checking the Enabled box and then pressing the OK button located at the bottom center of the Cascade Filters dialog box c Calculate Velocity Accuracy and Relative Arrival Time Estimates Once the OK button has been pushed the program provides the user with the velocity cross correlation coefficient and relative arrival time estimates as shown in Figure 9 The relative arrival time est
53. ialog box die nana N N EE Desktop di chartCFG 6 25 2014 3 25 PM File folder shown n Figure 55 appears The user l Downloads amp l SCPTS1L6 26 2014 12 57 49 PM 6 26 2014 12 58PM ACI File Dropbox G SCPTS1R6_26_2014 12 58 13 PM 6 26 2014 12 58 PM ACI File can Input multiply seismic files in this 5 Recent places Gi SCPTS2L6 26 2014 12 58 47 PM 6 26 2014 12 58 PM ACI File o _ UBS Reports amp SCPTS2R6_26_2014 12 58 30 PM 6 26 2014 12 58PM ACIF dialog box Le lt SHIFT gt p lus left dJ Gerald Shortcut amp SCPTS3L6_26_2014 12 59 04 PM 6 26 2014 12 59 PM F mouse click or lt CTRL gt plus left Gi SCPTS3R6_26_2014 12 59 19 PM 6 26 2014 12 59PM ACIF OneDrive mouse click After the Open button Tt File name v ASCII files aci has been selected by the user a i vertical seismic depth profile appears as 1s illustrated in Figure 56 Figure 56 illustrates a typical VSP amp cece rette display of reversely polarized SH _ puritecor zen ania eda sue re emanato Soles pla anla set Ue UShd pito E e waves The trend line shown in Figure 7707 5ste one oo PN 56 is specified by pressing the middle mouse button or lt shift gt right mouse button or lt shift gt left mouse button to identify individual points of interest SCI RAV M then automatically draws a line between the points specified and provides a velocity estimate Pressing options WE E lt Ctrl gt left mouse button Or l
54. imates can subsequently be utilized within the FMDSM technique described in Section 3 1 3 The user can re specify the calculated Time Shifts for the output of Automatic Interval Velocities and Manual Interval Velocities by overwriting the values in the table shown in Figure 9 and subsequently re calculate the interval velocities by selecting the calculator push button EEMElshown at the bottom of Figure 9 The cross correlation coefficient CCC gives an indication of how closely the correlated filtered seismic traces resemble each other and the Uniaxial Estimate 3 24 reliability of the subsequent velocity estimate The value of the CCC is between 0 0 and 1 0 and should be as close to 1 0 as possible Values above Calculated Velocities Depth 7 50 Velocity ms CCC 0 1 Time Shift ms 0 85 are recommended for the Figure 9 Velocity Cross correlation Coefficient and Time hammer shear source i e SH wave Shift Estimates source Version 15 0 1 D Page 8 BCE SC1 RAV 2015 Seismic Data Analysis Software d Store Data Storing the results can be done by pushing the button with the Data Storage icon EA shown at the center bottom of Figure 9 If the user decides to do so a window opens as shown in Figure 10 in which the name of the output file can be defined by pressing icon EE or manually specifying the output file within the text box provided If necessary site information can be added or ame
55. ion velocity or displacement values of the time series data are displayed Animate to start or stop rotation of the display Save to save the latest defined chart settings Load to enable the latest defined chart settings Legend to enable and disable the display of chart legend Above these 8 buttons there is another toolbar with 10 options that allow the user to perform the following Ri drag the data series with the left mouse button down to zoom and with the right mouse button down to scroll drag the chart to rotate drag the chart to move drag the chart to zoom drag the chart to adjust the depth click to toggle between a 2D and 3D display of the data click to allow for display formatting printing and exporting click to allow for display printing click to copy the display to the clipboard iL s tl click to save the display as a TeeChart Pro file Version 15 0 1 D Page 38 BCE SC1 RAV 2015 Seismic Data Analysis Software 4 4 Display Interval Velocities Velocity Plot When the user selects the Display Plot Type Display Attributes Inte al Velocities O tion the file in ut Incremental Depth Frequency Bandpass p Compression Plot Accuracy Both Shear and Compression Plots Depth Bars None dialog box shown in Figure 62 appears The user defines the velocity file to be displayed either by typing in E the file path and name or by clicking on th
56. ique The Reverse Polarity Technique dialog box is illustrated in Figure 25 In this option the user specifies four seismic data files to be processed outlined as follows 1 Polarized Files at Depihi The user selects two files which mi Xi ere cane eme Oermnaine correspond to reversely polarized cemi waves acquired at the same depth s ersserormemnum uma smear za sem ear Depth 2 Polarized Files at Depth2 The ON user selects two files which correspond to reversely polarized Waves acguired at the same depth Depth2 Figure 25 Reverse Polarity Technique dialog box It is required that Depth2 is greater than Depthl The user can make the required selections by pressing the left mouse button together with the lt CTRL gt or lt Shift gt key er Ex E 1 amoritsC1 RAY Manual 2013 SC1 DAC Pro Data SCPTS2_0L2_8_2013 3 32 20 PM aci Once the above data files have been specified the user then selects the OK push button after which the program will ask the user to specify if applicable the filtering parameters for the data files selected Once the traces are filtered if necessary the seismic traces are displayed as is illustrated in Figure 26 The user is required to select interactively 1 e with the mouse the crossover point at depth a e T1 and the crossover point at depth2 1 e T2 The crosshair 1s moved to the desired crossover point and the middle mouse button or lt Shift gt right
57. l Wa i i 217 6 0 217 6 1E 7 01 War Memorial Hall Wa 243 8 0 243 8 0 01 War Memorial Hall Wa i 197 3 0 197 3 1E 7 01 War Memorial Hall Wa i 202 6 0 202 6 0 01 War Memorial Hall Wa k 230 8 0 230 8 0 01 War Memorial Hall Wa f 394 1 1E 7 394 1 0 01 War Memorial Hall Wa i 295 1E 7 295 0 01 War Memorial Hall Wa 3 184 1 0 184 1 0 01 War Memorial Hall Wa 347 7 0 347 7 0 01 War Memorial Hall Wa i 230 1 0 230 1 0 01 War Memorial Hall Wa i 213 1 0 213 1 0 01 War Memorial Hall Wa 260 2 0 260 2 0 01 War Memorial Hall Wa 218 5 0 218 5 0 01 War Memorial Hall Wa f j 244 8 1E 7 244 8 0 01 War Memorial Hall Wa 259 9 0 00 01 War Memorial Hall Wa SCPTChilako_092013 lim Delete Selected Site SEPTChiloko 92013 3 SCPTChilako 92013 2 Export IM for Selected Site M Save as Text File EnbridgeJan9 Fiter Selected Sie Show Al Sites iYi i Figure 28 FMDSM database interface illustrating inputted data for all available sites As shown in Figure 28 at the top of the interface there are ten buttons with which the user manipulates the database 44 move to the beginning of the list delete record lt 4 move one record back a edit a record gt move one record forward V post record aa move to the end of the list X undo edit insert record U update list Version 15 0 1 D Page 18 BCE SC1 RAV 2015 Seismic Data Analysis Software In addition
58. lt settings for these its B frequencies are zero and the Nyquist frequency 1 2A mea A where A is the sampling rate respectively If the user wishes to change these values then check box Enable mo Cancel should be checked and the appropriate minimum and maximum frequencies should be specified Figure 65 Default GUI Settings The precision the number of digits and the increment for both the vertical amplitude axis and the horizontal time axis are used for all charts displayed within SCIJ RAV These settings are then stored within configuration file sc ravini so that they will be implemented whenever SCI RAV is used Version 15 0 1 D Page 40 BCE SC1 RAV 2015 Seismic Data Analysis Software SC1 RAV 2015 Edition Seismic Data amp 2 CG Pao gt amp Display Fitered OFF vets races OFF Filter GUI EFT Display OFF Display Pre triqgger OFF Print Preview Export Preview i BB Display Site inzio Char Title N A A Show Tiie O 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 ms Amplitude 0 447 C Users Gerald Dropbox BCE SCPT 2014 Software SC1 System Training 2014 Figure 66 View gt Seismic Data display with the Amplitude and Time default settings Precision Digits and Increment set at 6 3 0 01 and 4 2 0 1 respectively SC1 RAV 2015 Edition File Seismic Anaysis View Utilities Wincow Help y El Mi li QYPE sg 8075
59. ms Figure 59 Typical 3D Display data unfiltered Version 15 0 1 D Page 36 BCE SC1 RAV 2015 Seismic Data Analysis Software These graphs in the time and frequency domains can illustrate very well how the earth acts as a low pass filter as the seismic source wave travels deeper into the soil stratigraphy a phenomenon directly related to the absorption Q value of the soil profile eco eni Qi I UA e nm n nm i I talea TTI se E meena Ts ptun 173 m s2 250 300 Time ms 350 400 450 A Figure 60 Typical 3D Display data now filtered and chart copied to clipboard as described below 250 Time ms Figure 61 2D display of the FFT results of the filtered data shown in Figure 60 Version 15 0 1 D Page 37 BCE SC1 RAV 2015 Seismic Data Analysis Software As shown in Figure 59 immediately above the display there are 8 buttons to assist the user in working with this display The function of these buttons can be described as follows Display Filtered to display filtered traces based upon Filter GUI parameter settings Filter GUI to open the Cascadable Filters dialog box as shown in Figure 7 which allows the user to specify the filter parameters FFT to derive and display the smoothed Fast Fourier Transform FFT of selected filtered or unfiltered time series data Normalize to allow normalization of the data PP Type to select whether the accelerat
60. nded by clicking on the Site Info Specification button which opens the window shown in Figure 11 After the Output File has been specified the user selects push buttons Save or Re write If the user selects button Re write and the file already exists then the file will be re written with the newly processed data If the Save button is selected and the output file already exists the velocity estimates will be appended to the data file Figure 12 shows a typical output data file Depending on which filters are enabled the applicable filter frequencies are stored within the output file 2014 Project Name Manual ProjectNumber 001 Client BCE Site Velocity Parameters Velocity Type P wave Site ino Specification S wave OutputFile Site Information Header Project Properties Project name Project number Client Test number Location Operator Date 6 26 2014 Reference Level Water Ground Level Reference Level Water Level m NZA Ground Level mk N A Coordinate System Coordinate System N A Coordinate X Coordinate Y ius Figure 11 SCPT Site Information dialog box Test Number Location Vancouver office Site Operator GV Site Date 6 26 2015 11 21 43 AM Coordinate System N A Coordinate X N A Coordinate Y N A Reference Level N A Water Level N A Ground Level N A Velocity Type m sec m m Depth Depth2 Accuracy Bandpass Hertz
61. ned previously the Batch Processing software option automates the task of obtaining VSP arrival times Version 15 0 1 D Page 19 BCE SC1 RAV 2015 Seismic Data Analysis Software For example using the SCPTDEMO data in Figure 28 if the best arrival time occurred at 3 5 m and is estimated to be 33 5 ms then the arrival time at 2 5 m would be 27 4 ms for a time shift of 6 1 ms 33 5 ms 6 1 ms the arrival time at 1 5 m would be 20 9 ms for a time shift of 6 5 ms 27 4 ms 6 5 ms and the arrival time at 4 5 m would be 43 1 ms for a time shift of 9 6 33 5 ms 9 6 ms This process is carried out for the complete DST profile and then the corresponding Arrival Times are inputted with measurement weights set to reflect the corresponding cross correlation coefficient or typically set to 1 0 If the recorded seismic waves have poor correlation to one another then the user can simply input arrival times based upon best estimates The FMDSM database interface is a standard windows database where the user can filter specific sites and add in new sites with arrival time information For example Figure 28 shows the FMDSM database for sites SCPT2013 SCPTDEMO SCPT2 SCPTRightSide SCPT3RightSide SCPT3LeftSide and SCPT4RightSide A new database is specified in one of three ways 1 Automatically as previously described in Seismic Analysis Interval Velocities Cross correlation Technique Batch Processing see Section 3 1 1 2 2 Manuall
62. nsive modification of the displayed data and chart attributes In addition the data can be printed by selecting the Print tab which brings up the Chart Printing Dialog Box as shown in Figure 71 Finally this utility has an extensive electronic Help function which is accessed though the Help button at the bottom left of the screen Editing chtAcg FAST bax m Pesante Mai MW Trigger Channel Orientation O Portrait 8 Landscape Margins 0 s i 24 S fa Figure 71 Chart Printing Dialog Box Version 15 0 1 D Page 44 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 7 Window Submenu Options The Window option provides the user with 4 options to arrange the open window s Cascade Tile Horizontally Tile Vertically Minimize All Chapter 8 Help Submenu Options The Help option provides the user with 3 options About provides software version information on SCI RAV User s Manual will output the SC7 RAV user s manual in a default pdf browser Appendix will output the paper included in Appendix 1 of this manual in a default pdf browser Appendix 2 will output the paper included in Appendix 2 of this manual in a default pdf browser Link to BCE makes a link to Baziw Consulting Engineers web page Version 15 0 1 D Page 45 BCE SC1 RAV 2015 Seismic Data Analysis Software Appendix 1 Baziw E J 1993 Digital filtering techniques for interpr
63. of estimating shear and pressure wave interval velocities The main menu of SCI RAV as shown in Figure 1 has six different options e File Seismic Analysis as described in Chapter 3 of this manual View as described in Chapter 4 of this manual Utilities as described in Chapter 5 of this manual Window as described in Chapter 7 of this manual Help The desired option is chosen either by moving the mouse over the desired option and pressing the left hand mouse button by pressing function lt F10 gt on the keyboard and selecting the desired highlighted option or by pressing the corresponding underlined menu item letter on the keyboard The program can also be operated by clicking on icons The toolbar of SCI RAV M as illustrated in Figure 1 consists of 19 different icons e Convert data into SC1 RAV M format Calculate Interval Velocity Apply Data Stack Apply Data Interpolation Apply Signal Decay Change Polarity Calculate Shear Modulus View Seismic Data Display VSP 3D Display Display Interval Velocities Default GUI Settings e Specify Sensor Type and Units e Sort SH Data Files and Create Working Directories e Cascade e Tile Horizontally e Tile Vertically Version 15 0 1 D Page 3 BCE SC1 RAV 2015 Seismic Data Analysis Software e About e Open User s Manual File Seismic Analysis View Utilities Window Help 44 EF Oe ME Figure 1 Main Menu and Tool Bar in SCI RAV M 2 2 File Submenu Options
64. orrelation Technique implements a a Tree am patented mathematical algorithm to derive DST peace imm Depth 2 Change Polarity interval velocity profiles based on cross correlating the wave recorded at consecutive depth increments Baziw 1993 The value of the time shift at the Process Data Batch Job Analysis Reference Time Series maximum cross correlation value 1s assumed to be EA Aa elo the relative travel time difference for the wave to GUI Display and alci Anival Times travel the depth increment This technique has the MN Eriata ee Lanat sa Lindar Hog following advantages over the standard Reverse Polarity Technique e it minimizes the human bias associated with Figure 5 Crosscorrelation Technique visually selecting a crossover point in Interval Velocities dialog box deriving interval times which is required by the reverse polarity technique e it utilizes the full waveform in deriving interval travel times as opposed to a single point e the correlation coefficient between the two waves gives the user an indication of the similarity between the two waves being correlated and the subsequent accuracy of the velocity estimate Note Enabling check box Enable Data Interpolation enhances the resolution of the optimized correlator by utilizing linear interpolation between digitally sampled points guaranteeing a minimal time resolution of 0 01 ms equivalent sampling rate of 100 KHz e it obtains two independent velocity e
65. oving TRES seismic responses dominated by high impact SA ante amplitudes and high bandwidth signals traveling uri down the borehole or seismic cone SC rods This phenomenon can occur if the seismic source is close to the borehole or SC rods Figure 8 illustrates this high impact energy phenomenon It is Sometimes not possible to filter these high impact signals with digital filters alone and therefore the user is instructed to specify the time after impact signal so that these responses can be removed prior to digital filtering For example referring to Figure 8 the user would specify a TO value of approximately 23 ms Amplitude m s2 ire a_i non anno wn Amplitude m s2 or erp perry LU a r n r Ter Zi 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 Figure 8 Illustration of high impact amplitudes and high bandwidth signals due to rod noise Version 15 0 1 D Page 7 BCE SC1 RAV 2015 Seismic Data Analysis Software b Specify Filter Parameters The program offers four different types of digital frequency filters Bandpass Filter where the user specifies the desired upper and lower cut off frequencies Notch Filter where the user specifies the desired notch frequency Low Pass Filter where the user specifies the desired low pass frequency High Pass Filter where the user specifies the desired high pass frequency In each of these cases default values which are good startin
66. ows to user to specify whether or not the SCPT Site Information is displayed below the graphs Version 15 0 1 D Page 39 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 5 Utilities SC1 RAV 2013 File Seismic Analysis View Utilities Window Help Mirilta c Default GUI Settings As shown in Figure 64 the Utilities menu has Specify Sensor Type and Units Sort SH Data Files and Create Working Directories 3 different options e Default Graphical User Interface N GUI Settings e Sensor Type and Units BG e Sort SH Data Files and Create DIAGNOSTICS Working Directories Time ms 318 627628 Amplitude 26 419984077 C JOBS SCPT Documentation SC1 RAV Manual 2013 SC1 DAC 5 1 Default GUI Settings Figure 64 Utilities Menu Default GUI Settings The Default GUI Settings dialog box is shown in Figure 65 Here the user can specify the minimum and maximum frequency axis values as well as the precision the number of digits and the increment for both the vertical amplitude axis and the horizontal time axis Frequency Scaling Parameters 0 Enabled Minimum Frequency Hz Haximum Frequency Hz 500 Amplitude Precision Digits Display Parameters Precision J Digits 3 Increment 0 01 The minimum and maximum frequency axis values are used for the Cross correlation gt Manual Filtering Tine Ass can RS play Parsee frequency display and the View gt Seismic Data e frequency display The defau
67. put our on hotlink to you ek or email like this Crypkey Canada Inc Salesia icrypkey com To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is setto give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired to continue Figure 1 Unauthorized Program running on PC 2 Version 15 0 1 D Page 50 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 3 In the above window click the License option to display the Transfer in from another computer command as shown in Figure 2 below after that the system shows the window shown in Figure 3 75 Protected Calculator License Configuration Program License Help Ga rersferto director ci Manser outta another computer Transfer in from another computer t RiGee CrypKey Instant Demonstration This is the configurable message box If this were your program you can easily put your custom tailored message here You can even put your own hotlink to you Web or email like this Crypkey Canada Inc sales oryvpkey Com J To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is setto give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired to continue Figure 2 Transfer in Command
68. quency spectra the comparison of both unfiltered and digitally filtered traces and the plotting of interval velocity profiles SCI RAV M also provides extensive chart editing plotting and exporting functionality SCI RAV M includes the following features Configurable for either geophones or accelerometers Extensive frequency spectrum analysis Bandpass high pass low pass and notch digital filters Patented P Wave and S wave velocity estimation algorithm Batch job processing Source wave atrival time estimation Linear least squares regression interval velocity estimation Reverse Polarity Technique Forward Modeling Downhill Simplex Method FMDSM in estimating interval velocities Display of Vertical Seismic Profiles VSPs with trend line specification Ability to save or export user specified arrival times when displaying standard VSPs Display of peak particle accelerations velocities and displacements 3D Displays of VSPs Calculation of interval Gmax values The ability to carry out data interpolation to increase the time series resolution Post data stacking Application of a signal decay function to minimize the effect of source wave multiples Display of calculated interval velocities Version 15 0 1 D Page 1 BCE SC1 RAV 2015 Seismic Data Analysis Software 1 2 Organization of users manual The purpose of this manual is to instruct users of SCI RAV M in the use of the program by explaining its s
69. race is Oc Evsen came Na A GO stov e Cirene displayed at the bottom right hand Mir corner of the chart The user can ome Ae eee display acceleration velocity Or E ri displacement profiles by pressing the PP Type button and selecting the desired particle motion v N NN cis Display Filtered OFF Zoomin Zoom Out Edit chart Show PP PP Type gt in cn E lt z a v A n 0 5 10 15 25 30 40 45 50 55 60 65 Time ms Project Name N A ProjectNumber N A Client N A Test Number N A Location N A Site Operator N A Site Date 6 26 2014 11 21 43 AM Coordinate System N A Coordinate X NA 1 Coordinate Y N A Reference Level MA VYVater Level N A 1 Ground Level N A Figure 58 Display of the PPA Values Version 15 0 1 D Page 35 BCE SC1 RAV 2015 Seismic Data Analysis Software 4 3 3D Display The 3D Display option allows the user to display the time series data at various depths into a 3D display In this software option the user selects the files to be displayed as previously described for the VSP Display options After the Open button has been selected by the user a 3D Display appears as is illustrated in Figure 59 3D Depth Profile T rk O PBB HE tj a Esi HEI Display Filtered OFF Filter GUI EFT Normalize PP Type ay JR Animate Save Load Legend T E Display Site Information 94 9 8 5 Depth m 100 1 Time
70. rface in View Seismic Data software option At the top of the window there is a row of buttons The function of these buttons can be described as follows e Display Filtered to display filtered traces based upon Filter GUI parameter settings e Overlay Traces to display unfiltered traces superimposed on the filtered traces e Filter GUI to open the Cascadable Filters dialog box as shown in Figure 12 which allows the user to specify the filter parameters e FFT Display to display the frequency spectrums of either the filtered or unfiltered traces depending on the Display Filtered setting e Display Pre trigger to display the pre trigger data e Print Preview to open the Print Preview dialog box see Figure51 e Export Preview to open the Export Preview dialog box see Figure 52 Version 15 0 1 D Page 30 BCE SC1 RAV 2015 Seismic Data Analysis Software Below the row of buttons there are various checkboxes and icons e The Edit Chart Settings icon bei opens the dialog box shown in Figure 20 with which the chart settings can be changed this opton can also be used to export or print the chart e The settings can be stored by clicking on the Save Chart Settings icon H e The user can also apply previously stored chart settings by clicking on the Load Chart Settings icon e The checkbox Ooo Display Site Information allows to user to specify whether or not the SCPT Site Information is displayed below the graphs e
71. ri ngn Ce Ds7 laci Maximum correlation value occurs at exporting Figure shows the interface box y ift of 8 1 ms Version 15 0 1 D Page 12 Figure 19 Cross correlation function between BCE SC1 RAV 2015 Seismic Data Analysis Software that appears when the edit button is selected This box allows for extensive modification of the displayed data and chart attributes as well as the print settings This interface box has an extensive electronic help function that can be accessed by selecting the help button in this box Editing chtCor x Editing chtCor Chart Series Data Tools Animations Export Print Chart Series Data Tools Animations Export Print Series General Axis Titles Legend Panel Paging Walls 3D Printer Dell V715w Network Orientation FAST e ue Landscape Margins Es 19 Ez s Bs B esi 19 a ResetMarg ns View Margins Detail Figure 20 Chart Editing amp Printing dialog box The user can also save the modified chart templates by selecting the Save Chart Settings button middle button on the top left corner of the Cross correlation Function screen Once this button has been selected a configuration file containing the template information is stored in subdirectory SCI RAV chartCFG When SCI RAV M is reopened the user may reload the chart template by selecting the Load Chart Settings button right button Eon the top left corner of the Cross correlation
72. rrival times marks next to the values to be saved all the results can be selected automatically be selecting the red check button MEA F igure 22 Output after implementation of standard and selecting the graphical store data Batch Job Analysis push button SES in panel Batch Job ea File Seismic Analysis View Utilities Window Help Results Derik QEPE s sem 718 Site Name N A Overwrite Record Average Record SC1 RAV 2013 EE nthe lar sc Soho se YE The user can obtain estimates of the f p ro arene cere 2 mmm arrival times for each depth increment by enabling check box Display and Calculate Arrival Times as outlined in Figure 5 In this case the user must first specify a reference arrival time and vertical depth based upon the first break for one of the seismic time series under analysis m E lt z a m 30 35 Time ms The reference arrival time and depth values can e asily be obtained by Time ms 32 597222 Amplitude 4 253303873 CAJOBS SCPT Documentation SC1 RAV Manual 2013 SC1 DAC Pro Data SCPTS4_0L2_8_2013 3 33 4 implementing the View VSP Display as outlined in section 4 2 The user then selects a trace as near to the surface as possible where a clear arrival is present The reason for selecting a shallow trace is because the main impact of surface refraction occurs near surface For example Figure 23 illustrates a vertical seismic profile with the time series acquired at 4 0 m h
73. s Specification M Site Name Depth m Arrival Time ms Weight 0 V1 m s Residual 1 ms V2 m s Residual 2 ms V3 m s Residual 3 ms gt SCPTDEMO 0 5 13 975 80 0 0 0 SCPTDEMO 1 5 20 9795 893 0 0 89 3 0 0 SCPTDEMO 2 5 27 4555 124 9 0 0 124 9 0 0 124 9 0 SCPTDEMO 3 5 33 5112 148 9 0 0 148 9 0 0 148 9 0 SCPTDEMO 45 43 09 101 3 0 0 101 3 0 0 101 3 0 SCPTDEMO 5 5 51 4033 117 7 0 0 117 7 0 0 117 7 0 SCPTDEMO 6 5 58 537 137 6 0 0 137 6 0 0 137 6 0 SCPTDEMO 7 5 66 231 128 2 0 0 128 2 0 0 128 2 0 SCPTDEMO 8 5 70 8411 213 9 0 0 213 9 0 0 O 0 0 SCPTDEMO 95 75 829 197 6 0 0 0 0 0 0 0 0 Filter Selected Site Show All Sites 01 War Memorial Hall Wa SCPTChilako_092013 SCPTChilako_92013_3 gt 5 SCPTChilako_92013_2 Export IV for Selected Site Save as Text File EnbridgeJan9 Delete Selected Site Figure 30 Filtering DST site SCPTDEMO In a typical FMDSM analysis the user will firstly obtain a DST profile of the cross correlation time shifts using the Cross correlation Technique as previously outlined Next the user reviews all the recorded seismic cone time series data within a Vertical Seismic Profile VSP by implementing the View VSP Display menu option see Section 4 2 The best P wave or S wave arrival time from the VSP is selected and arrival times are then derived for each depth increment utilizing this reference arrival time and the previously derived cross correlation shifts As mentio
74. stimates for each depth increment by comparing source wave generated on both the right and left side of the seismic probe Figure 5 shows the dialog box which appears when the Cross correlation Technique analysis option is selected cL A Begin Processing Enable Data Interpolation 3 1 1 1 Analyze by Pairs SCPTS1_OL2 8 2013 3 32 12 PM ac SCPTSI_0R2_8_2013 3 32 00 PMaci The Analyze by Pairs option under the Cross correlation Technique refers to processing two seismic traces at a time at different depth increments in order to derive the seismic interval velocities Referring to Figure 5 running this option requires the specification of the input file at depth and another file at depth 2 Homegroup Figure 6 illustrates the dialog box for inputting these seismic data files It is very important that these files correspond to the depths of penetration where depth2 is greater than depthl In addition the sampling rate for the two traces must be the same and they should both be equivalently polarized However enabling check box Depth 1 2 Change Polarity allows for inverting Version 15 0 1 D Page 6 Figure 6 File Input dialog box BCE SC1 RAV 2015 Seismic Data Analysis Software flipping data in a specific file The Analysis by Pairs can be done either Automatically or Manually as explained in Sections 3 1 1 1 1 and 3 1 1 1 2 respectively and the user should specify the desired processing method Once
75. t Ctrl gt 10 15 20 25 30 35 40 ii BU 65 70 75 80 85 90 95 100 right mouse button will delete the previously specified trend line Double Figure 56 Filtered 30 to 100 Hz bandpass VSP clicking the middle mouse button will Display seismic trace profile illustrating color coded delete all the specified trend lines reverse polarized waves Depth m As shown in Figure 56 immediately above the display there are 11 buttons to assist the user in working with this display The function of these buttons can be described as follows e Display Filtered to display filtered traces based upon Filter GUI parameter settings Zoom in to scale the seismic amplitudes up in 10 increments Zoom out to scale the seismic amplitudes down in 10 increments Edit Chart to allow for chart formatting printing and exporting Show PP to enable and disable the display of peak particle values PP Type to select the peak particles values to be displayed 1 e acceleration velocity or displacement To obtain accurate interval arrival times utilizing the trend line specification it is mandatory that the user selects the appropriate time index at the exact depth of the probe from which the seismic data was recorded Alternatively if check box Enable Closest Depth is enabled the SC1 RAV software relates back to the closest data depth when specifying trend lines Version 15 0 1 D Page 33 BCE SC1 RAV 2015 Seismic Data Analysis Software Export
76. terface for Data Interpolation with the two options Inline Time Series Interpolation and Save to File 3 3 1 Inline Time Series Interpolation Data Interpolation The Inline Time Series Interpolation option of Data Interpolation linearly interpolates points within the seismic time series with the specified resolution For example if the seismic time series data had a sampling rate interval of 0 3 Save to File ms sampling rate of 3 3 KHz increasing the resolution by 1 unit would Resolution 1 gag eB SpeciipFilesy decrease the sampling interval rate to Save Data As l 0 15 ms sampling rate of 6 6 KHz ASLI Binay This option can be implemented as part of the Cross correlation Technique see paragraph 3 1 1 and if enabled the data sampling rate of the selected files is increased by the amount specified within Figure 38 User interface for Data Interpolation the Resolution text box by up to 20 units 3 3 2 Save to File The Save to File option of Data Interpolation allows the user to select a set of files for which the data resolution is increased by the specified Resolution amount The selected data files are subsequently saved in identically named files with the subscript Interp appended to the name e g DS4 aci becomes DS4_Interp aci In addition the user can specify the format of the new file either ASCII or Binary format Version 15 0 1 D Page 24 BCE SC1 RAV 2015 Seismic Data Analysis Software
77. titial Time of 60 ms while Figure 45 shows the outcome when applying batch decay with this Initial Time From the figure it is clear that the source wave has been isolated A A R M 4 Was Vp fanta I A ee E Y P Depth fm tone eee gi yyl x f u Ta ll a 7 ZI f F a wr rn ere a ee ee 4 oe MMM AT LI 7 mer mn S A SIMO ALII la ras eT a AI e e PT TW O 4 aog io a 10 im I AD 2D wwe AD 20D iv ww XI 2 AD ww Figure 43 VSP with a strong seismic response prior to the arrival of the SH wave Version 15 0 1 D Page 26 Depth ma BCE SC1 RAV 2015 Seismic Data Analysis Software Depth m BU AD ZA 2 VU AWD W Iw Time ms 30 200 20 w 260 20 Time ms Figure 45 VSP in Figure 42 after application Figure 44 VSP illustrated in Figure 43 of an Initial Time of 60 ms after application of signal decay 3 5 Change Polarity The Change Polarity option facilitates the user in selecting a set of seismic data files and subsequently changing the polarity of the time series 3 6 Calculate Shear Modulus Shear Modulus Calculation The Shear Modulus Calculation option allows the user to specify and then read in an interval shear wave velocity V output file and a mass density p text file Grazia 0085 sCATADocumentationiSC to calculate Gmax values i e Gmax p V The Rasa density values and Gmax values are then stored within KPa EW GPa bas the int
78. tructure taking the user step by step through the program menus and specifying the use of interactive graphics and I O routines In addition the manual contains the following items e Appendix 1 provides a copy of the paper entitled Digital filtering techniques for interpreting seismic cone data This paper outlines the mathematical technique utilized in obtaining optimal cross correlation time shifts e Appendix 2 provides a copy of the paper entitled Derivation of seismic cone interval velocities utilizing forward modeling and the downhill simplex method This paper outlines the mathematical algorithms utilized in the Forward Modeling and the Downhill Simplex Method FMDSM If required BCE can also provide a thorough training course in the use of the SCJ RAV software package Alternatively the user can contact BCE to obtain a step by step instructional document that outlines the estimation of interval velocities utilizing the SCI RAV software The methods of analysis covered range from basic trend line estimation to more advanced patented cross correlation techniques and iterative forward modeling The user is also provided with an exercise document and associated seismic data set Version 15 0 1 D Page 2 BCE SC1 RAV 2015 Seismic Data Analysis Software Chapter 2 Main Menu and Tool Bar 2 1 Introduction SC1 RAV is a Windows program utilizing time series analysis and interactive graphics for the purpose
79. ue Figure 11 Transfer License In Window STEP 15 Click Finish The License Configuration window on PC 2 appears showing that you are authorized to use the software Version 15 0 1 D Page 56 BCE SC1 RAV 2015 Seismic Data Analysis Software Appendix 5 License Removal Procedure In certain cases e g when obtaining a software upgrade it may be necessary to demonstrate that the current license is removed The procedure to do this is as follows STEP 1 Execute software and then press space bar during start up STEP2 Show the SiteCode Acquire License Transfer to directory Transfer in from another computer Transfer out to another computer Kill license eCheck License In eCheck License Out STEP 3 State Yes to message below to kill the current license Warning After deleting your license you will need to purchase a new licenze to continue using this program Version 15 0 1 D Page 57 BCE SC1 RAV 2015 Seismic Data Analysis Software STEP 4 Email BCE the screen capture of confirmation code as shown below lt cence four kill confirmation code ts C 14 FRSC AFFE 1470 BBS ABES 92 You should write down this number in case you need to prove that the license was actually deleted Version 15 0 1 D Page 58
80. ure 15 High Pass Filter Low Pass Filter Figure 15 shows the DS4 aci seismic trace Bees Qta i Beed tes 100 and its corresponding frequency spectrum The cross hair displayed in the frequency spectrum and time series is moved around by the mouse with the corresponding frequency and time displayed above the charts The frequency spectrum and time series can be zoomed into a desired range by pressing the left mouse button and moving the mouse left to right The user has the capability to apply a time window on the seismic wave so that the frequency bandpass parameters can be better the cross hair in the time domain window and button or lt Shift gt right or left mouse buttons which incorporate the desired wave note Tl lt T2 The user then selects the button so that the specified time window s frequency spectrum is displayed The selected time window can be cleared by double clicking on the left mouse button 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 Time ms Figure 15 Data file Dr4 aci seismic data with corresponding frequency spectrum Figure 15 illustrates the zoomed in frequency spectrum 1 e O to 143 Hz of the specified time window ie T1 and T2 The display includes a panel which allows the user to specify the necessary digital filters to apply to the seismic time series under study The digital filter implementation is identical to that outlined for the Cas
81. y by going to the bottom of the main FMDSM database list moving the cursor down one row and typing in a new site name After that move the cursor to the Depth m column and type in the corresponding depth move the cursor to the Arrival Time ms column and type in appropriate arrival time and finally move the cursor to the Weight column and type in the appropriate measurement weight usually 1 0 Figure 31 shows an example of the previously implemented steps for test site SCPTNew Arrival Times Specification M 4 e gt i _ Y Site Name Depth m Arrival Time ms Weight 0 V1 m s Residual 1 ms Y2 m s Residual 2 ms V3 m s Residual 3 ms SCPTDEMO 5 13 975 1 80 0 0 0 SCPTDEMO 20 9795 1 89 3 0 0 89 3 0 0 SCPTDEMO 27 4555 1 124 9 0 0 124 9 070 124 9 0 SCPTDEMO 33 5112 1 148 9 0 0 148 9 0 0 148 9 0 SCPTDEMO i 43 09 1 101 3 0 0 101 3 0 0 101 3 0 SCPTDEMO 51 4033 1 117 7 0 0 117 7 0 0 117 7 0 SCPTDEMO i 58 537 1 137 6 0 0 137 6 0 0 137 6 0 SCPTDEMO 66 231 1 128 2 0 0 128 2 0 0 128 2 0 SCPTDEMO i 70 8411 1 SCPTDEMO k 75 829 1 SCPTNew 10 213 9 0 0 213 9 0 0 000 197 6 0 0 000 0 0 0 Fiter Selected Site Show All Sites we j 3 01 war Memorial Ha SCPTChilako_09201 SCPTChilako_92013_3 SCPTChilako_92013_2 Export Iv for Selected Site Save as Text File EnbridgeJan9 Delete Selected Site Figure 31 Specifying a new DST FMDSM database Next select the Show All sites or Refresh data

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SC1-RAV™ 2015 - Baziw Consulting Engineers Ltd.