User Manual - GEOSYSTEM Software
Contents
1. Published in the United States of America GEOSYSTEM is a registered trademark of VES Inc Windows is a registered trademark of Microsoft Corporation Terms of License Agreement 1 The Licensee agrees not to sell or otherwise distribute the program or the program documentation Each copy of the program is licensed only for use at a single address 2 The Licensee agrees not to hold Von Gunten Engineering Software Inc VES Inc liable for any harm damages claims losses or expenses arising out of any act or occurance related in any way to the use of the program 3 The program is warranted to fully perform the tasks described in the program documentation All results of the operation of the program are subject to the further engineering judgment prudence and study of the user 4 If the program does not perform as described VES Inc will replace the program or refund the fee paid in the licensing agreement at its option In no event will VES Inc be liable for any amount greater than the total of the license fee or fees paid by the licensee 5 One year of free consultation and updates is included with the program In subsequent years updates will be available for a fee at the user s option 1 INTRODUCTION INSTALLATION AND SETUP 0 ccccccessseseseeeeeeeees 1 1 1 INSTALEATIONS ebe Sie tenis eb etal ita cal cud hd ace 1 1 2 CONFIGURING R VALUE 0 00 0 cece cece cece ccececcecceceeeeeceeceeceecessecn2. 1 1 D Ph where R resistance R value D the number of turns recorded on the stabilometer Ph the horizontal pressure Due to a continuing misprint in the ASTM standard you will find that the above equation does not match the specification Our version is correct 6 5 Corrected R value Strictly speaking the R value equation given in the last section is only valid for a test sample that is 2 5 inches high For samples between 2 3 and 2 45 and 2 55 and 2 7 the program corrects the calculated R values using a polynomial approximation to the D 2844 correction chart 6 6 Metric Conversion Factors The following metric conversion factors are utilized by the software centimeters per inch 2 54 kPa per psf 1000 98 067 453 59 2 54 12 kg m per pef 1000 453 59 3048 21 Technical Specifications 6 7 Values Available for Data Summaries For each entered test R VALUE calculates several different values that may be used on data summaries created by the GDM Data Summary and Export tool see Chapter 4 in the Data Manager manual or Appendix C in the LD4 User s Guide The following table lists the names and a short description of all the calculated values provided by R VALUE plus those used during data entry RVALUE Resistance R value at the exudation pressure selected from the program s setup dialog see Section 1 2 RVEXP Expansion pressure corresponding to the exudation pressure selected f
3. 600 700 800 Exudation Pressure psi Resistance R Value and Expansion Pressure AASHTO T 190 Horizontal Sample Exud R Press psi Height Pressure Compact Density Moist No Pressure pet TEST RESULTS MATERIAL DESCRIPTION 27 Aug 01 Tested R Value at 400 psi exudation pressure 56 6 Date 8 31 01 is Expansion pressure at 400 psi 1 60 G P P R VALUE TEST REPORT i DEMONSTRATION USE ONLY DEMONSTRATION USE ONLY Plate No F23 Figure 4 1 1 R VALUE Testing Data Summary and Chart Reports These reports may be previewed on screen printed to a printer or exported into a CAD file DXF or word processor picture file WMF To preview the testing data summary you can either right click on the R VALUE link at the bottom of your sample s data entry card from the Data Manager or LD4 screens see Section 2 7 in the GDM manual or Chapter 6 in the LD4 manual and select Summary Preview or you can click on the Summary tab at the bottom of the R VALUE data entry screen or select Window gt Data Summary Preview To preview the testing chart report you can either right click on the R VALUE link at the bottom of your sample s data entry card from the Data Manager Screen and select Report Preview or you can click on the Chart tab at the bottom of the R VALUE data entry screen or select Window gt Data Chart
4. No Pressure Pressure Press psi Height Pressure Value pet k Value psi psi 160 psi D psi Corr EE 1 5 197 5 0 68 155 230 150 1 09 o 2 0 noa 100 136 235 350 498 ES SH 3 5 1300 150 276 2 240 D 98 7 en 98 7 2 40 TEST RESULTS MATERIAL DESCRIPTION 130 0 Soe R value at 400 psi exudation pressure 55 6 Sekine Line 2 Exp pressure at 400 psi exudation pressure 1 60 psi Line 3 Project No Project Project Project 1 Project 2 Date 8 31 01 Location STA 1324005 Tested by ERK Checked by ALV Remarks Received 27 Aug 01 Tested R VALUE TEST REPORT DEMONSTRATION USE ONLY 29 Aug 01 Plate No F23 Copyright 2001 Von Gunten Engineering Software Inc 363 West Drake 10 Fort Collins CO 80526 WWW geosystemsoftware com Information in this document is subject to change without notice and does not represent a commitment on the part of Von Gunten Engineering Software Inc The software described in this document is furnished under a license agreement and the software may be used or copied only in accordance with the terms of that agreement The licensee may make copies of the software for backup purposes only No part of this manual may be reproduced in any form for purposes other than the licensee s personal use without the written consent of Von Gunten Engineering Software Inc Copyright Von Gunten Engineering Software Inc 2001 All rights reserved
5. Preview To print the data summary or chart report select either R VALUE gt Data Summary or R VALUE gt Chart then click on the Output button 13 Printing Reports 5 1 Exporting Charts or Summaries to AutoCAD Files The testing data summary and chart reports depicted in Figure 4 1 1 may be exported to AutoCAD compatible DXF files which provides a handy compact means of supplying reports to clients To do this select either R VALUE gt Data Summary or R VALUE gt Chart Either selection displays the dialog shown below Figure 5 1 1 Output Options Dialog Drop down the Output to box and select AutoCAD DXF File You ll see the following dialog et Anacan CRF Fibs rot e ronnen PE AA Capo peer ceo i fle upps lea om P Plane hires rm pen H Bees meter ket 12 oe rran rey ey we or see E Tine Tyna Espen SALAD dm Se eil rd bh ep ch Figure 5 1 2 AutoCAD File Export Dialog When creating DXF files there are a number of options available gt Base file name when R VALUE creates your DXF file the file s name will start out with whatever you enter into this field 14 R VALUE User s Guide Add sample number location to file name Without this option R VALUE s DXF file names will be whatever you ve selected as the Base file name plus something like page 1 at the end Using Figure 5 1 2 as an example if the Add sample number location to file name opt
6. 1 SI See units steel bar spring k value 8 20 summary report 4 13 T tare weight 8 19 test procedure 1 2 19 test results 3 Index total weight TrueType U units US expansion pressures W water added wet weight Windows metafile word processor Index 9 8 19 See WMF See WMF
7. Configuration and double clicking on R VALUE LFG If you ve purchased LD4 you can use R VALUE LFG to view an on screen list of the R value tests performed for a project From the LD4 screen select Project gt Browse and choose R VALUE 18 R VALUE User s Guide 6 Technical Specifications R VALUE strictly follows the ASTM D 2844 standard for all of its calculations AASHTO T190 and California Test 301 CT301 employ identical calculations CT301 calculations being specified in metric units When dealing with projects entered in metric units R VALUE converts all data internally to English units and processes the results using D 2844 s recommended calculation methods A table of conversion factors is presented at the end of this chapter The following sections detail the calculations performed by the software 6 1 where Moisture Content wo Sw 7 Bo Wp T Wi WC the water content in percent Ww the combined tare and moist soil weight gms Wp the combined tare and dry soil weight gms WT the tare weight gms R VALUE supports two methods for calculating the moisture content of individual test samples settings on the program s Setup dialog Section 1 2 determine which method is used One method requires that a complete moisture content determination be performed on each R value test sample The second method entails performing an initial moisture content test with a representative
8. Data Manager program GDM for file handling project information such as the project name and number is entered only once per project GDM can be used to created printed lists of all of the R VALUE tests performed for a given project gt Entry of either exudation load or exudation pressure Interactive modification of the R value vs expansion pressure and exudation vs expansion pressure curves gt Printed summary lists all testing data and results Report export to WMF word processor picture and DXF CAD files Since R VALUE utilizes the GEOSYTEM Data Manager program GDM or LD4 package for all file handling the user should review the GDM or LD4 manuals before proceeding 1 1 Installation By itself R VALUE is not a complete system the program must be installed into a hard disk or network subdirectory that already contains a copy of the Data Manager or LD4 Drilling Log packages To enter a new R VALUE test you must first use the Data Manager or LD4 package to open or create a project file If you haven t licensed the Drilling Log package LD4 R VALUE requires the GEOSYSTEM for Windows Data Manager GDM software version 2 or later GDM version 2 is supplied on two 3 5 inch discs where version 1 x was supplied on a single disc If you have a version 1 x disc version 1 x disks were labeled Data Manager but did not list a version number please dispose of it and install the new set of GDM di
9. GEOSYSTEM R VALUE Resistance R value Module for GEOSYSTEM for Windows RESISTANCE R VALUE TESTING RESULTS AASHTO T 190 Date 10 3 01 Project No Project Project No Project 1 Project 2 A 132 005 AMPLE 1 Location Sample Number Material Description cription Tested by Checked by Remarks 29 Aug est specimen number 1 Compaction pressure psi 5 10 Prepared weight grams 100 0 Water added ml 0 0 Moisture Exudation load 1bs Exudation pressure psi Total weight 1bs Mold weight 1bs Sample weight lbs Initial expansion in Final expansion in Expansion pressure psi Ph at 2000 lbs D turns 3 R x Height in ES 9 H 920 420 1 400 Dry density pcf 7 Corrected R Wet weight Dry weight Tare weight Initial moisture R Value at 400 psi Expansion pressure exudation pressure 56 6 at 400 psi 1 60 DEMONSTRATION USE ONLY R VALUE TEST REPORT 100 A 45 80 E 4 z 4 D E 3 p D 2 P 3 E SS 7 Ca E J a e E H 20 E Cat 60 0 o Cong tid o 5 7 100 200 300 400 500 600 700 800 15 0 En Exudation Pressure psi GN Resistance R Value and Expansion Pressure AASHTO T 190 2 610 Compact Expansion Horizontal Sample Exud R 2 610 vw Density Moist 2 vw D
10. cussing R VALUE s capabilities in depth well introduce the package by providing a step by step walkthrough of the data entry process 1 Start the GEOSYSTEM for Windows package If you have a GEOSYSTEM shortcut on your desktop double click on it you can also click on your Start button and select Programs gt GEOSYSTEM for Windows On the left side of the program s screen is a directory box navigate to the directory where the GEOSYSTEM software is installed If you ve installed the software onto your own hard disk this will probably be either C GEOSYS or C PROGRAM FILES GEOSYS In the program directory you ll find a file called DEMO double click on it The software should display the contents of the DEMO project On the left side of the screen is a yellow box listing the material sources from which DEMO s testing samples were taken double click on Boring BA On the right side of the screen you should see a list of samples taken from B 4 find the data entry card for sample S 3 and click on the R VALUE link for that card You should see the R VALUE data entry screen depicted in Figure 1 2 1 Select Options gt R VALUE Setup In order for the tutorial to work there are several important settings that must match the ones shown below Exudation pressure for R value result 300 Mold weight is entered in Ibs Data entry requires Exudation Load US expansion pressures PSF Make sure that Full moist
11. de 3 Locate a data entry card for the sample and fill in the sample s identifying information see Section 2 6 in the GDM manual or Section 2 9 in the LD4 User s Guide 4 Click on the R VALUE link at the bottom of the sample s data entry card see Section 2 7 in the GDM manual or Section 6 1 in the User s Guide R VALUE s data entry screen is shown below Eat Dt Groe Window Dk Ed HM HINNE agaa 27h kA 270 T 240 iid Figure 1 2 1 R VALUE Data Entry Screen Data Entry R VALUE supports three and four point tests Movement through the data entry prompts is by the Tab and Shift Tab keys within the test data grid on the right side of Figure 1 2 1 use the up and down arrow keys The program s data entry fields are listed below gt Figure number whatever is typed into this field is printed at the lower right corner of the program s chart report See Chapter 5 Note that the printout may not read Figure No the title may be changed through the GDM s Setup dialog see Section 1 7 in the GDM manual or Section 1 5 1 in the LD4 User s Guide Steel bar spring k value is the pressure required to deflect the expansion pressure apparatus spring steel bar 1 inch or 1 mm For projects using US units the value is expressed in psi and defaults to 303 dead center of ASTM AASHTO s recommended calibration range if no value is entered For projects using SI units this value is expre
12. eeeseeeeees 2 t21 AV Ee EE 4 2 WALKTHROUGH Nexeseegcsesgwgereuee CNN EN ENeNERS NENNEN caved saudi eawandvewaewenaeeds 5 K EN DATA ENTRY GE 7 3 1 DELETING R VALUE Dana 10 4 CURVE VIEWING AND SHAPING 0 2c0 cceceeceeceeceeceececceececeeceecneeeseues 11 4 1 RESHAPING THE CURVES nasainnnininnnunnnnnnnrunnnnrnennnnnennrnrrenrnrrennrrrurnrnrernne 12 5 PRINTING REPORT S 2 0 c00ceeceeceeceeceececceceecneceeceeceseecceceeceeeescneeeseees 13 5 1 EXPORTING CHARTS OR SUMMARIES TO AUTOCAD FILES 22 2 c0c0000 14 5 2 EXPORTING CHARTS OR SUMMARIES TO MWME Fees 17 5 3 LISTING RESULTS FROM MULTIPLE R VALUE TESTS 2 ccceeececeeceeeeeeeee 18 6 TECHNICAL SPECIFICATIONS 2ccecceececeeceeceeceececcnececeeceeceeceseees 19 6 1 MOISTURE CONTENT 19 6 2 DRY DENSITY 22 hielo Deet 20 6 3 EXPANSION PRESSURE aaanannnnnnnnnnnnnnnnnrnnnnnrnnrnnrrnrnrnrnnnnrnnrrnrnrnrnrnrnnrne 20 SE RI EE 21 6 5 CORRECTED HAALEN 21 6 6 METRIC CONVERSIONFACTORS 21 6 7 VALUES AVAILABLE FOR DATA SUMMARIES nsanannnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnne 22 R VALUE User s Guide 1 Introduction Installation and Setup The GEOSYSTEM Resistance R value module R VALUE is designed to reduce laboratory data from a resistance R value and or expansion pressure test Following is a list of supported features gt ASTM D 2844 AASHTO T190 and California Test 301 test standards Both English and SI metric units Utilizes the GEOSYSTEM
13. es the directory where R VALUE will place the exported DXF file Layer name specifies the name of the CAD drawing layer that will be shared by all of the CAD files generated Layer names may be any combination of alphabetic and numeric characters however many CAD programs don t like layer names that include spaces MYLAYER is OK MY LAYER is not Since your chosen layer name will be repeated throughout the DXF files that R VALUE creates the shorter you make the name the smaller your DXF files will be 15 Printing Reports Binary R VALUE also supports AutoDesk s binary DXF format This format used by AutoCAD starting with version10 reduces the size of the resulting DXF files by 25 to 50 percent Very few word processing or Paint programs will work with binary DXF files If a graphics program will not import an R VALUE generated DXF file re generate the file after first making sure that the Binary option is turned off TrueType normally R VALUE generated DXF files use a monospaced font similar to this for everything on the form meaning that DXF reports don t look much like their printed counterparts The TrueType option allows you to generate DXF files that look exactly like the printed versions however TrueType DXF files are only supported on AutoCAD versions 14 and newer additionally many other drawing and CAD programs do not support TrueType files Report is scaled in inches centimeter
14. g either the exudation load or the exudation pressure at each test point If you enter exudation loads R VALUE will calculate the exudation pressure if you enter exudation pressures R VALUE will back calculate the applied load To swap from entering exudation load to exudation pressure or vice versa select Options gt Setup Total weight this is the weight of the R value exudation test sample plus the mold Mold weight this is the weight of the mold used for the exudation test Initial expansion this is the reading on the dial indicator at the start of the expansion test Final expansion this is the reading on the dial indicator at the end of the expansion test Ph is the horizontal pressure at the specified vertical load 2000 It or 8900 N D turns is the number of turns of the stabilometer pump handle required to raise the horizontal pressure from 5 to 100 psi 34 to 690 kPa Height is the height of the R value test sample which must be between 2 3 and 2 7 inches 58 4 and 68 5 mm Corrected R is determined from the calculated test point R value by making an adjustment for samples that are less than 2 45 inches 62 mm or greater than 2 55 inches 65 mm tall Section 6 5 covers R VALUE s correction calculations Data Entry 3 1 Deleting R VALUE Data To remove all of the data that you ve entered for a test refer to Section 2 8 in the GDM manual or Section 6 2 in the LD4 User s G
15. ion wasn t selected the first chart report exported would be named P92321 page 1 DXF the second chart report exported would be named P92321 page 2 DXF and on A client looking at a list of submitted DXF files would have no way of telling which DXF file corresponds to which tested sample Checking the Add sample number location to file name box alters how R VALUE names the DXF files the program adds the sample number and or sampling location to the Base file name Using our previous example with the box checked R VALUE would create for example CAD files named P92321 Sample G A Boring B 3 DXF P92321 Sample S 1_Test Pit TP 2 DXF etc Between Base file name and Add sample number location to file name you can come up with some useful options For example you could leave Add sample number unchecked and enter the sample number location as part of the Base file name of course this means that when you export the next chart you d have to change the Base file name to reflect the new sample number As another example if you ve created a hard disk subdirectory just to hold DXF files for a given project you may not need to include the project number as part of each DXF file name instead of being called for example P92321 Sample G A Boring B 3 DXF P92321 being the project number by leaving the Base file name field blank you can get export files with names like Sample G A Boring B 3 DXF gt Place files in giv
16. mines whether you are entering metric or Imperial data based upon the Dimension Units setting in LD4 or GDM To change the unit selection use the Data Manager package to open the project in question then from the following screen select Project gt Dimension Units 1 2 1 Margins R VALUE features two printed reports one that summarizes your raw testing dataina tabular format the summary report and a second that reports the program s calculated results and includes a chart of the R value vs exudation pressure and expansion vs exudation pressure curves the chart report Chapter 5 includes samples of both report styles along with directions on printing the reports You can change both report type s margins the whitespace between the sides of the page and the borders around the report by clicking on the Margins tab of the Setup dialog Options gt R VALUE Setup doing so displays a window similar to the one shown in Figure 1 2 2 Figure 1 2 2 Report Margins Selection Select margins for This drop down box selects for which of the two report types Summary or chart the margin changes will apply Prior to entering new margins make sure that this box shows the appropriate report Top Left Right and Bottom The measurement units that are used for the report margins inches or centimeters are determined by the Regional Options in your Windows Control Panel R VALUE User s Guide 2 Walkthrough Before dis
17. n readings as inches or millimeters depending upon what measurement units are to be used with your project selecting number of divisions means that you will be entering readings directly as they are shown on the deflection gauge a 0 0100 inch deflection will be entered as 100 US expansion pressures Expansion pressures calculated in projects entered with US English units may be reported as either PSF or PSI Report R value to nearest R values may be reported as either whole numbers or to the nearest 1 decimal place Initial moisture test then measure water added or Full moisture content test on each sample R VALUE supports two methods for obtaining the moisture content of each test sample either A a full moisture content test may be run on each test sample or B a single moisture content test may be run on a representative sample and then the amount of water added to each test sample prior to R value testing is measured and recorded The amount of water added to each test sample is added to the original moisture content value to obtain the moisture content of the test sample Introduction Installation and Setup Plot expansion vs exudation curve In addition to plotting the R value vs exudation pressure curve the package can optionally if this selection is checked and expansion pressure data were taken for the sample plot a curve of expansion pressure vs exudation pressure A note regarding units R VALUE deter
18. ou can also replace one of the original testing points 1 Select which curve is to be shaped Curve gt Shape R value Curve or Shape Expansion Curve Select Curve gt Add Shaping Point Move the mouse so that it is directly over or under the testing point to be replaced vertically the mouse should be at the new location for the curve Click the left mouse button when you have the mouse located correctly The actual testing point will not be moved rather the curve will no longer pass through the point To delete a shaping point gt Select either Curve gt Shape R value Curve or Shape Expansion Curve Select Curve gt Delete Shaping Point If the curve had just a single shaping point you re done Otherwise you ll need to indicate which point is to be deleted move the mouse cursor over the point to be removed then click the left mouse button You can return a curve to its original shape by selecting either Curve gt Shape R value Curve or Shape Expansion Curve then selecting Curve gt Return to Original 12 R VALUE User s Guide 5 Printing Reports R VALUE plots two varieties of reports depicted below R VALUE TEST REPORT RESISTANCE R VALUE TESTING RESULTS AASHTO T 190 d A Sr 10 3 01 E Projec 80 4 D m 60 3 6B ZA S Z K i S am 2 kd 2 A 1 a b i do 1 ulu Iur ulu ulu ulu 100 200 300 400 500
19. ove or below an curve point remember if you re shaping the R value curve the curve points are circles if you re shaping the expansion vs exudation pressure curve the points are squares then click your left mouse button The curve should be redrawn passing through the point where your mouse was when you clicked the left button it should no longer pass through the test point Return both curves to their original shapes by selecting Curve gt Return to Original Check on how the printed reports will appear by pressing function keys F4 then F5 Select R VALUE gt Data Summary then click on the Output button When the summary has been printed select R VALUE gt Chart and again click on Output Finally if you want to try exporting data to an AutoCAD file begin by selecting either R VALUE gt Data Summary or R VALUE gt Chart Drop down the box next to Output to and select AutoCAD DXF File then change the Place files in directory to somewhere on your hard disk and click on the Output button R VALUE User s Guide 3 Data Entry Data entry for R VALUE is begun by filling in a data entry card on the LD4 or Data Manager screen 1 Create or open a project file see Sections 2 1 and 2 2 in the GDM manual or if you ve licensed LD4 Sections 2 3 and 2 4 in the LD4 User s Guide 2 Create or open a material source folder see Sections 2 5 and 2 9 in the GDM manual or Sections 2 7 1 and 2 7 2 in the LD4 User s Gui
20. rom the program s setup dialog RVCHECKED_BY Report inspector RV_SPRING Spring steel bar k value 22 DXF 1 14 16 WMF 1 17 A AASHTO See test procedure add sample number location to file name 15 ASTM See test procedure AutoCAD See DXF B base file name 14 binary 16 Cc California Test 301 See test procedure chart report 4 13 compaction pressure 8 configuration See setup corrected R value 9 21 curve removing shaping modifications 12 replacing a point 12 viewing and adjusting 11 12 D D turns 9 21 data entry requires 3 Data Manager See GDM See GDM data summary and export tool 18 22 deleting data 10 density 20 dimension units See units dry weight 8 19 E English See units expansion curve 3 expansion pressure 20 exudation load pressure 1 3 9 exudation pressure for R value result 3 F figure number 8 final expansion 9 20 full moisture content test See moisture content G GDM 1 7 13 22 H height 9 I initial expansion 9 20 initial moisture test then See moisture content installation 1 2 K keys for moving around the screen 6 8 L layer name 16 LD4 1 3 7 13 M margins 4 metric See units moisture content 3 8 9 19 mold weight 9 mold weight is entered in 3 O options See setup P Ph9 21 place files in 15 plot expansion vs exudation curve 3 11 prepared weight 8 R report is scaled in 16 report R value to nearest 3 R value 21 S select margins for 4 setup 2 4 8 9 1
21. s R VALUE created DXF files will either measure either 10 units vertically when scaled in inches or 25 4 units vertically when scaled in centimeters This selection doesn t affect the report s appearance within the DXF file rather it just affects the coordinates given to each line and piece of text on the report 16 R VALUE User s Guide 5 2 Exporting Charts or Summaries to WMF Files R VALUE charts and data summaries may also be exported to WMF Windows MetaFile files these files are easily imported into word processors and drawing programs To do this select either R VALUE gt Data Summary or R VALUE gt Chart Either selection displays the dialog shown in Figure 5 1 1 Drop down the Output to box and select Windows Metafiles You ll see a dialog like the one below goe pre Ming Wirra kiriin KEE dd Capo peer bicebom i jie sama Plane tars ia Figure 5 2 1 WMF File Export Dialog See Section 5 1 for a discussion of the dialog s prompts 17 Printing Reports 5 3 Listing Results from Multiple R value Tests R VALUE includes a sample data export summary configuration file that may be used with the Data Summary and Export tool discussed in Chapter 4 of the GDM manual and Appendix C of the LD4 User s Guide The configuration file called R VALUE LFG can be used by selection Tools gt Data Summary and Export from the GDM or LD4 menu then selecting File gt Recall Existing
22. s the type of test performed This has no effect on R VALUE s calculations it merely changes how the test is labeled on hardcopy reports and for the Cal Test 301 method changes the direction of the exudation pressure scale on the R value vs pressure chart to be from high pressures on the left side to low pressures on the right side R VALUE User s Guide Exudation pressure for R value result selects a pressure point on the R value vs exudation pressure curve drawn from your testing data a vertical line is drawn at the selected pressure and the intersection of that line with the testing data curve is reported in the TEST RESULTS box on the hardcopy report eg R value 300 psi exudation pressure 21 0 Typically 300 psi or 2070 kPa is used Mold weight is entered in allows entry of the weights for the sample and mold used for the R value test to be in either grams or decimal pounds This selection does not affect the units used for the moisture content test weights which always entered in grams Data entry requires For the exudation portion of the test you have the option of entering either the exudation load or the exudation pressure at each test point If you enter exudation loads R VALUE will calculate the exudation pressure if you enter exudation pressures R VALUE will back calculate the applied load Expansion readings entered as Selecting inches or mms means that you will be entering expansio
23. sks that were sent with your R VALUE order Introduction Installation and Setup If your R VALUE disk wasn t installed when you installed your Data Manager package use the following steps to install the software 1 2 3 4 Insert your R VALUE disk into drive A Click on your Windows Start button then select Run At the following dialog type A SETUP then press Enter The installation program should say that an existing GEOSYSTEM for Windows package has been found make sure that you install into the directory that the program suggests If the installer doesn t find an existing package make sure that you ve installed the Data Manager or LD4 packages before continuing then make sure to install R VALUE into the same subdirectory 1 2 Configuring R VALUE R VALUE includes support for a few different testing procedures before typing in your first test set you should make sure that the package is correctly configured To do this start up your GEOSYSTEM for Windows package refer to either the GDM or LD4 manuals for instructions then select Options gt R VALUE Setup which displays the following dialog Tine Fma peta ite Fae at Fei GR bd eg aren Cerpen Fret mierni z PA gel gei LE super Fr ie pg Rags 77 aku isa kd E aed eee eee eee sgr eked F Fel uait OES EA 2S de he ees oe ee a rt te tee oe lg coe 7 ne Figure 1 2 1 R VALUE Configuration Dialog Test procedure select
24. soil sample then measuring the amount of water added to each R value test sample The sample s moisture content is then determined as follows where 100 WC M WC u Ms WC the R value test sample water content in percent WC the moisture content in percent of the original representative sample Mw the mass of the R value test sample gms Ms the mass of water added to the sample gms 19 Technical Specifications 6 2 Dry Density ms W 453 59 SC SE WC MV 1 100 where DD dry density pcf Ws the weight of the sample gms 453 59 converts grams to pounds 2 H 3 Mv H He E 1 ae 4 T2 Te E where MV _ the test mold volume ft Hs the height of the sample in DM the diameter of the mold assumed to be 4 in 1 2 D 3 converts from In to ft 12 12 12 6 3 Expansion Pressure P D D k where P expansion pressure psi DF the final reading on the expansion dial D the initial reading on the dial usually 0 k the spring constant of the steel deflection bar Contrary to what the ASTM specification might say k is given in psi in not in psi 001in R VALUE uses a default of 303 which is dead center of ASTM s recommended calibration table 8 0 0021 Dt Di Oe T4 8 psi deflects the bar 0 0021 inches 20 R VALUE User s Guide 6 4 R value R 100 a 25 160
25. ssed in kPa and defaults to 82 3 303 psi inch converted to kPa per mm If you did not perform the recommended calibration leave this field blank Initial Moisture Content Wet weight grams Dry weight Tare weight these prompts are only enabled if you ve selected Initial moisture test then measure water added from the program s Setup dialog Options gt Setup The prompts provide the program with a baseline moisture content for the original sample from which every R value test sample was taken Compaction pressure this is the pressure at which water was exuded from the specimen Wet weight Dry weight Tare weight moisture content test weights The Wet and Dry weights should include both the sample and tare weight These prompts are only visible if you ve selected Full moisture content test on each sample from the program s Setup dialog Prepared weight is the weight of the R value test sample prior to mixing with water This prompt is only visible if you ve selected Initial moisture test then measure water added from the program s Setup dialog R VALUE User s Guide Water added this is the amount of water added to the initial R value test sample prior to running the test This value is added to the original sample s moisture content to obtain the moisture content of the test sample Exudation load Exudation pressure for the exudation portion of the test you have the option of enterin
26. uide 10 R VALUE User s Guide 4 Curve Viewing and Shaping After completing the entry of testing data you ll want to check the R value vs exudation pressure and expansion pressure vs exudation pressure curves data entry errors are often highlighted from a quick glance at these curves To show the curves click on the Curve tab on the bottom of the screen or select Window gt Curve or just press function key F3 Figure 3 1 1 Curve Preview Screen The curve with the circular markers plots R value vs exudation pressure the square marker curve shows expansion pressure vs exudation pressure The latter curve won t be displayed unless you ve selected Plot expansion vs exudation curve from the program s Setup dialog as discussed in Section 1 2 11 Curve Viewing and Shaping 4 1 Reshaping the Curves If one of the two curves isn t drawn as desired it may be reshaped 1 Select Curve then either Shape R value Curve or Shape Expansion Curve You can tell which curve is currently selected for shaping by looking at the toolbar on the left of the screen where buttons with a circle and a square on them are shown the button that is depressed indicates the curve that is selected for shaping Select Curve gt Add Shaping Point Move your mouse cursor to a point through which the curve is to pass then click the left mouse button In addition to forcing the curve to pass through a new point y
27. ure content test on each sample and Plot expansion vs exudation pressure curve are both checked then click on the OK button Enter the following information Figure number A 4 Tested by ALV Checked by JWD Testing remarks Sample recovered using 6 in auger From the Testing remarks field hit Tab twice You re skipping over the Spring steel bar k value field which will be left blank Check Chapter 2 if you want more information on the k value field 10 11 13 14 15 Walkthrough The cursor should be in the Compaction pressure row for test point number 1 Enter the following data after entering each cell s data you can press the Enter or down arrow keys to proceed to the next cell Specimen number 1 J 2 f 3 Compaction 700 250 100 NM Je 639 8 Dry weight 590 3 7 DIR EE bums p pe a Height S dSS d GT C d Next we ll check the curves select Window gt Curve or just hit function key F3 R VALUE should display two curves the one passing through the circular markers plots R value vs exudation pressure while the one passing through the square markers plots expansion pressure vs exudation pressure Try reshaping the curves select Curve gt Shape R value Curve or Shape Expansion Curve then select Curve gt Add Shaping Point Move your mouse cursor somewhere within the graph then click the left mouse button You can also replace an existing point Move your cursor directly ab
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