ReWaRD 2.7 Quick-Start Guide
Contents
1. Use the controls on the toolbar at the top of the preview window to control the appearance of the print preview Click the X button to close the preview window Finally click on ReWaRD s File menu and choose Print The program s Print Page Setup box will be displayed once again in case you wish to change any of your selections Click OK to confirm and this time the program s Print box will appear giving you a choice of printers attached to your system to choose from Select your printer and click Print to produce the hard copy Print General Select Printer E Fax Php color LaserJet 2550 PCL 5 RHP LaserJet 4250 PCLG db Microsoft Office Microsoft XPS D Snagit 10 4 Status Location Comment Page Range Al Selection Curent Page Pages Enter either a single page number or a single page range For example 5 12 m r Print to file Number of copies 1 Collate 4213 2B gu 34 Geocentrix ReWaRD 2 7 Quick Start Guide Step 10 close the project In Step 10 you will close and optionally save the project 1 Open the program s File menu and click Exit 2 If you have made changes to the project since it was last saved ReWaRD will ask you if you want to save it before proceeding Answer Yes or No by clicking the appro2. General Layers Notes Defaults Available Chosen M Cancel ccs 2 hae ff Defaults Help pel uick Start Guide ReWaRD will create a new borehole named Borehole 1 and add it to the Stockyard To add the borehole to the construction stage drag it from the Stockyard and drop it onto the Workbook s Drawing Board The Drawing Board should now look like this Workbook Example C2 Drawing Board 1 250 Fal Al Fill a wj o il wj wj zj z a Hha dalo addan rardiaraNinraloratisantiniil aranea So chit aatra brani aa E Drawing Board fe As Buitt ik At Minimum Safe Embedment ke With Maximized Safety Factors ike t Fai A copy of this step can be found at Projects Tutorial 2 Step 4 rwd Step 5 create water tables In Step 5 you will create two water tables one on each side of the wall 1 Right click on the words Water Table in the Stockyard s Types Pane to display its context sensitive menu Click New to expand the sub menu and then click Linear Seepage Water table to create the new water table The Properties of Water Table 1 box will open and display its General page Change the Name of the water table to Retained water a All Objects A Construction Stage Ba Ground Profiles la Excavations 1B Soils it Layers a Boreholes w Surcharge New ae Imposed Loads Retaining Walls Ha Pro
3. Object Types Existing Objects z a All Objects Construction Stage D Ground Profile m Excavation amp Soil it Layer J Borehole Water Tables Click on the Loading tab to change merry a page and if necessary change the a Type to HA Loading which results in the Magnitude being set to 10 kPa New gt Object Uniform Surcharge Parallel Strip Surcharge Click on the OK button to confirm the values entered and to proceed General Loading Duration Notes Magnitude 10 kPa Depth Level gt Om Type H Loading N ha li M Cancel M g Defaults Help 48 Geocentrix ReWaRD 2 7 Quick Start Guide 3 Add Surcharge 1 to all the construction stages by dragging and dropping the surcharge from the Stockyard onto the Drawing Boards for those stages Be careful to drop the surcharge to the left of the retaining wall to make sure it appears on the retained side only A copy of this step can be found at Projects Tutorial 3 Step 7 rwd Step 8 select the design standard In Step 8 you will select the design standard to be followed by the calculations 1 If it is not already ticked select CIRIA 104 gt Gross Pressure Calculate Tools Win CP2 Piling Handbook Method from ReWaRD s Design ee ne E menu Geoguidel Revised Method BS 8002 r Strength Factor Method Eurocode 7 l 2 Next edit the settings for
4. 1 Generated Click on Excavation in the Stockyard s Type Pane top left and then right click on Excavation 2 Generated in its Objects Pane top right Choose the command Properties of Excavation 2 Generated to display that object s properties box A Construction Stage i Ground Profile ia Excavatil Properties of Excavation 2 Generated Excavation BB Soil ly lm Excavati Open Workbook Cut Click on the Dimensions tab to change page and enter 5 m in the excavation s Depth box Click on the Plan Dimensions tab to change page Tick the Has Plan Length box and enter 17 m in the Length box Tick the Has Plan Breadth box and enter 12 m in the Breadth box Geocentrix ReWaRD 2 7 Quick Start Guide Has Plan Length M Cancel Length Fa Defaults 7 Has Plan Breadth 2 Help Breadth Click OK to confirm the values entered and to proceed Repeat the previous four steps for Excavations 3 and 4 but enter their depths of excavation as 7 5 m and 8 5 m respectively A copy of this step can be found at Projects Tutorial 3 Step 2 rwd Step 3 add the missing soils In Step 3 you will add soils that are missing from the project Click on Soil in the E Stockyard Step 2w e Object Types Existing Objects Stockyard s Types ga All Objects onstruction fees FOPEees o
5. 4 m Tutorial 3 Cofferdam in mixed soils 43 a Soil X Cancel Thickness ff Defaults Click on the OK button to confirm the values entered and to proceed The boreholes displayed on the Drawing Board of each stage will update to reflect this layer s new thickness Now right click on Layer in the EF Stockyard Step 3 RWD pect Typ Existing Object Stockyard s Types Pane and choose the jean oviects Flay 4 s Construction Stage command New gt Undrained to aren create a new undrained layer and Ibn Excavation W Soil display that object s properties box a aa a Borehole Repeat the steps above to set the Water Tables Drained Layer properties of this new layer as ee Eaa follows Name Layer 2 Soil Firm clay Thickness 2 5 m Repeat the steps above to create a Drained Layer with the properties Name Layer 3 Soil Silty sand Thickness 3 m Repeat the steps above to create another Undrained Layer with the properties Name Layer 4 Soil Soft firm clay Thickness 2 m Repeat the steps above to create another Drained Layer with the properties Name Layer 5 Soil Medium coarse sand Thickness 5m Add Layers 2 to 5 to Borehole 1 by dragging and dropping each layer in turn onto one of the Drawing Boards that are displayed in ReWaRD s main window A copy of this step can be found at Projec
6. 5 check the required embedment In Step 5 you will determine the depth of embedment required to satisfy the requirements of Eurocode 7 with regards to overall stability of the wall 4 1 Open the Calculate menu and FE Workbook Stage 1 Generated Required Embedment choose the Required Embedment ae EE wet command ReWaRD automatically ii a 3 i artial factors switches the Workbook to its b F Moments o Reaction at wall toe 1565 4 kN m Summary View a At Minimum Safe Embedment E Retaining Wall 2 The Workbook displays its resultsina ts ect Tn I r artial factors tree like structure similar to that used pF Moments i i TE Reaction at wall toe 194 9 kN m in Windows Explorer You can expand T At Failure any particular node by clicking on the button next to its caption and you can collapse a node by clicking on the button 3 The required embedment of the wall is displayed under the At Minimum Safe Embedment branch of this tree structure 4 To see the partial factors that were iN r Pae i applied in the At Minimum Safe Retaining Wall Depth of t 7 52 Embedment calculation expand the pe m Partial Factors branch by clicking on a Factors on actions f b Th li k h TE a 79 Factors on material properties its button en click on the Si On shearing resistance 1 25 button next to Factors on material P ERSE g A nundrained strengt properties The Workbook will
7. 60kPa 3 m of silty sand Y 20 3KN m3 30 2 m of soft firm clay Y 20kN m c 40kPa and medium coarse sand y 20 3kKN m3 35 sat e The cofferdam will be open for less than 3 months and open to full excavation depth for no more than two weeks hence a total stress analysis is appropriate o Ground water level is 2 5 m below ground surface Water pressures in the medium coarse sand are sub artesian with a pressure head of 80 kPa at the surface of the sand A pumping system will be installed to lower the water pressures in the medium coarse sand by 80 kPa throughout the depth of interest o The permanent works are to be constructed on top of a base slab at a depth of 8 m A 0 5 m thick drainage layer is to be placed beneath the base slab so that the final formation is at a depth of 8 5 m The sheet piles will have an upstand of 1 m o The first frame will be installed at 0 5 m above ground level and the excavation taken down to 5 m before installing the second frame The second frame will be installed at a depth of 4 m and the excavation taken down to 7 5 m before installing the third frame The third frame will be installed at a depth of 6 5 m e The plan dimensions of the cofferdam are 17 m by 12 m 36 Geocentrix ReWaRD 2 7 Quick Start Guide Overview o In Step 1 you will use the Construction Wizard to create a sequence of construction stages e In Step 2 you will change the depths of the excavatio
8. Cohesion 0 kPa 12 13 Finally right click on Sand and gravel in the Stockyard s Existing Objects Pane and choose the command Duplicate to create a carbon copy of that soil called Soil 1 14 Then edit Soil 1 in order to change its name to Medium coarse sand You will find a copy of the project in its current state at Projects Tutorial 3 Step 3 rwd Step 4 add missing layers 7 L Properties of Sand and gravel L1 and o L Firm cl Soil 1 Open Workbook Cut Copy Paste Ctrl X Ctrl C Ctrl V Delete Del Duplicate h Save As In Step 4 you will you will add layers that are missing from the project and include them in the borehole 1 Click on Layer in the Stockyard s Types Pane and then right click on Layer 1 Generated in its Objects Pane Choose the BE Stockyard Step 3 RWD Object Types ref Existing Objects ge All Objects Construction Stage Borehole Water Tables Es Layer 1 Generated operties of Layer 1 Generated N Pri Open Workbook command Properties of Layer 1 Generated to display that object s properties box 2 On the General page change the layer s Name to Layer 1 3 Click on the Properties tab to change page change the Soil to Sand and gravel and enter the Thickness as
9. OK to Tutorial 2 Propped wall in stiff clay 21 proceed 4 The Properties of Ground Profile 1 box will open and display its Dimensions page Change the Name of the ground profile to Ground surface and click OK to proceed r Properties of Ground Profile 1 General Notes Defaults l Name Ground Surface M Cancel Type Horizontal Ground y Det efaults Help 5 ReWaRD will create a new ground profile named Ground Surface and add it to the Stockyard To add this ground profile to the construction stage you drag it from the Stockyard onto the Workbook s Drawing Board To do so 6 First with the cursor located over the es Ground Surface item in the ee Stockyard click and hold down around Profiles the left mouse button to select that senol xcayations item 7 Second without releasing the mouse tpe m button move drag the cursor over l the Workbook anywhere where do The cursor will change to indicate where you can drop this item 8 Finally release the left mouse button to drop the ground profile into the construction stage The ground profile will immediately appear on the drawing to the left of the vertical datum line 9 Now repeat the above steps for the excavation Click on the Stockyard to make sure it is selected the commands on the Create menu are o
10. Tutorial 1 rwd What next Tutorial 2 shows you how to build a project from scratch using ReWaRD s drag and drop design features and demonstrates how to produce a printed report 18 Geocentrix ReWaRD 2 7 Quick Start Guide TUTORIAL 2 PROPPED WALL IN STIFF CLAY Tutorial 2 helps you to extend your knowledge of ReWaRD by designing a propped wall in stiff clay The tutorial shows you how to build a project from scratch without using the Construction Wizard drag engineering objects from the Stockyard and drop them onto a Workbook s Drawing Board and obtain a printout of your input and output data The worked example is taken from CIRIA Report 104 Design of retaining walls embedded in stiff clays by Padfield and Mair 1984 Appendix C of that report includes calculations for propped walls in stiff clay with and without seepage around the wall Example C 2 involves design of a wall supporting an excavation in stiff clay Ground conditions at the site comprise an unspecified thickness of stiff clay Yon Ysa 20 kN m 25 c 0 kPa o Groundwater is at 1 m below ground level on the retained side of the wall and at 1 m below formation level on the excavated side o The wall type unspecified but assumed herein to be secant piled will form part of the temporary works and will retain 8 m of soil o The wall is supported by a prop at 2 m below ground level e You want to calculate the wall s minimum depth of embe
11. and gravel as the predominant soil type Select Sand from the Soil Type box enter a wet density of 2069 kg m equivalent to a weight density of 20 3 kN m enter a dry mass density of 1766 kg m equivalent to 18 kN m and finally enter an angle of friction of 35 Click Next to continue Step 3 Please enter the properties of the predominant soil type E Go Soil Type i Sand b Next _ 4 Previous 2075 kg m Wet Density Dry Density m 1733 kg m M Cancel Angle of Friction 35 deg 38 Geocentrix ReWaRD 2 7 Quick Start Guide 4 Step 4 of the Wizard asks you to choose the type of retaining wall to create Select Sheet Pile Wall in the Wall Type box then Corus U Section Larssen LX in the Range box and finally 16W in the Section Click Next to continue Construction Wizard K Step 4 Please choose the type of retaining wall Wall Type Sheet Pile Wall DP nen Range Corus U Section Larssen Les dq Previous Section 16W 5 Step 5 of the Wizard asks you where you want to place any water tables Select Both Sides and click Next to continue Step 5 On which side of the wall do you want Water tables SS Both Sides Dp Next C Retained Side Only 4 Sere C Excavated Side Only Neither Side XM Cancel Help 6 Step 6 of the Wizard asks you to generate the project If you want to change any settings made in the previous steps click the Previous b
12. but leave the other properties unchanged Click on the Total Stress tab to change page Change the soil s undrained strength to 60 kPa Densty weight Effective Stess TotalStess No gt Ok Undrained Strength 60 kPa x Cancel Increases with Depth Pa Defaults Help Click on the Notes tab to change page When you do so a warning message will appear telling you that i Warning soil parameter is outside the normal range Normal range 75 to 150 kPa the soil parameter is outside the baai ices normal range This occurs because ee for a clay specified as stiff Re WaRD expects its strength to be between 75 and 150 kPa The entered value of 60 kPa will be accepted but only after confirmation via this warning box Click Yes to confirm the value and proceed Click on the Notes tab again and then add any information you want to attach to this soil via the text control there Finally click OK to confirm the entered values and to proceed ReWakRD will create a new soil T utorial 2 Propped wall in stiff cla 27 10 11 12 13 14 named Stiff clay and add it to the Stockyard Next right click on the word Layer in E Stecbert step2 awo el Obiect Types Existing Objects the Stockyard s Types Pane to display p Objects A Sint Construction Stage its context sensitive menu Click New li Ground Profite to expand
13. display 65 9 Factors on resistance the values of the partial factors that E Syao gecmaetey x 5 i of D Factors on structural forces were applied to shearing resistance ge Moments 1 25 effective cohesion 1 25 and 2 aero i At Failure undrained strength 1 40 Step 6 close the project In Step 6 you will close and optionally save the project 1 Open the program s File menu and click Exit 2 If you have made changes to the project since it was last saved You cannot save the project in the Trial Edition of ReWaRD Tutorial 1 Cantilever wall in sand 17 ReWakRD will ask you if you want to save it before proceeding Answer Yes or No by clicking the appropriate button The document has been changed De you want to save the changes ye E Ee 3 Ifyou have not already named this file ReWaRD will display its Save As box Enter the name you want in the File name box and click the Save button ReWaRD will then save and close the project E3 Save in J Tutorial 1 P Br T Name z Date modified Type w iy Step 1 RWD 04 07 2011 15 25 ReWaRD 2 Recent Places RE Step 2 RWD 04 07 2011 18 21 ReWaRD Z hy Tutorial 1 RWD 04 07 2011 18 21 ReWaRD 2 Desktop Libraries ile Computer a a m b Network File name Tutorial 1 RWD Save as type ReWaRD Document RWD ha Cancel A copy of this project can be found at Projects Tutorial 1
14. new construction stage with the name Example C2 add it to the Stockyard and then open a Workbook showing the contents of that stage which is currently empty Your screen should now look something like this File Edie View Create nt Properties Design Cokulste Tools Window Help Hela alal Ae ole el cole l al ala le llall w yes a FPF EASE es POPUT PPPOE a PUCETE PALEE PAE PO Poe E PPP Drawing Board fe As Buitt DE At Minimum Safe Embedment Uk With Maximized Safety Factors BR At Faija A copy of this step can be found at Projects Tutorial 2 Step 1 rwd Step 2 create the ground conditions In Step 2 you will define the geometry of the ground on both sides of the wall 1 Click on the Stockyard to make sure it is selected Cete Properties Design Calcul the commands on the Create menu are only ee E enabled when the Stockyard is selected a Excavation 2 Open the program s Create menu and click on Ground Profile to display the Create Ground Profile box Alternatively click on the Create Ground Profile button on the Stockyard s Toolbar Create Ground Profle Select the object to create a HEE OSLEONMCECGF ee o Ba Rising Ground _X caros Falling Ground 2 Hep he Stepped Ground 3 The Create Ground Profile box will open Select Horizontal Ground and click
15. 7 On Stockyard page tick those objects TU KAEA v B Lay about which you want information to 2 A Barta t be printed mm Click on the Workbooks tab to change page and again tick those objects about which you want information to be printed Note that this page automatically selects construction stages for which calculations have already been performed Click on the Pictures tab to change page and tick those components of Tutorial 2 Propped wall in stiff clay 33 10 the results that you want to be printed Finally click on the Results tab to change page and tick those results you want to be printed Click OK to confirm your selections and proceed Next click on ReWaRD s File menu and choose Print Preview to display a screen preview of the printed output r Rests Layo ao Print information about these objects k Earth Pressures w eS Required Embedment v Fa Structural Forces ila Peck s Envelope v ba ial Base Stability HB Displacements M Cancel J g Defaults Help a z z U ReWaRD 2 7 Professional Edition Beta5 er uen File Edit View Create Properties Design Calculate Pages 1 20f11 a Tools Window Help anA ele opo ala x
16. 996 simplified equation for single propped walls m Calculating durability Now use the Workbook s toolbar to display the main results of the calculations one at a time on your screen DREEM ese esa ema al Click on the View earth pressures as built button second button circled above to display earth pressures as built You will also need to click on the View Picture button first button circled above to switch to picture view PT an aaa ana O nen Tutorial 3 Cofferdam in mixed soils 51 11 Click on the View structural forces button third button circled above to display structural forces WF PN ge Largest factored bending moment 111 1 kNmjm Largest factored shear force 96 6 kN m BAAR AAAAAAAAAAAAABAAAAAAAAAARA AAA AAA ADA AS Ez 12 Finally click on the View displacements button fourth button circled above to display displacements A hyn Ale A copy of this step can be found at Projects Tutorial 3 Step 9 rwd Step 10 close the project In Step 10 you will close and optionally save the project 1 Open the program s File menu and click Exit 2 If you have made changes to the project since it was last saved ReWaRD will ask you if you want to save it before proceeding Answer Yes or No by clicking the appropriate button 3 If you have not already named this file ReWaRD will display its Save As box Enter the
17. CIRIA 104 Gross Pressure Method by selecting Properties from the Design menu 3 On the General page set the Design Approach to Moderately Conservative and the Works to Temporary General Load Factors Material Factors Resistan b Limiting Earth Pressure Coelficients x Cancel Caquot amp Kerisel 3 f Defaults Max Depth of Tension Crack Tension crack limited to the retained height Help Cantilever Toe In 20 ES Design Approach Moderately Conseryat C Worst Credible Works Temporary Permanent 4 Review the other settings by clicking on the various tabs in turn When you have finished click OK to close the property box A copy of this step can be found at Projects Tutorial 3 Step 8 rwd Step 9 calculate earth pressures structural forces etc In Step 9 you will calculate earth pressures required embedment structural forces and displacements for Stage 2 Generated 1 Open the Window menu and choose the Close All gt Workbooks Tutorial 3 Cofferdam in mixed soils 49 command to tidy up ReWaRD s desktop 2 Click on Construction Stage _ Egres seor kanma e in the Stockyard s Types Pane erem en Tour ofie WA ae m roperties of Stage enerated and then right click on Stage Baerire yp 4 amp Soil 2 Generated in its Objects Pane Select Open Workbook from the popup menu that appears to displ
18. Excavation BB Soil ey Layer a Borehole IH Surcharges Imposed Load Ha Prop Anchor En Other Objects Double click on Water Table 1 to open its properties box On the General page change the water table s Name to Pumped water table a Construction Stage B Ground Profile b Awater Tables Retaining Wall f i Sub artesian este Water Table 1 Generated A Water Table 2 Generated l Water Table 3 Generated l Water Table 4 Generated Water Table 5 Generated Cut Copy Paste Delete Save As Click on the Connectivity tab to change page Enter O kPa in the Ambient Pressure box and click OK to confirm the values entered Add Pumped water table to Stage 3 Generated and Stage 4 Generated by dragging and dropping the water table from the Stockyard onto the Drawing Boards for those stages Do this twice releasing the water table on both sides of the wall Properties of Sub artesi Open Workbook Duplicate N A copy of this step can be found at Projects Tutorial 3 Step 6 rwd Step 7 add a surcharge In Step 7 you will add a surcharge on the retained side of the wall 1 Right click on Surcharge in the Stockyard s Types Pane and choose the command New gt Uniform Surcharge to create a new surcharge and display that object s properties box EE Stockyard Step 7 RWD
19. Geocentrix ReWakRD 2 7 Quick Start Guide Embedded retaining wall design 2 Geocentrix ReWaRD 2 7 Quick Start Guide Notices Information in this document is subject to change without notice and does not represent a commitment on the part of Geocentrix Ltd The software described in this document is furnished under a licence agreement or non disclosure agreement and may be used or copied only in accordance with the terms of that agreement It is against the law to copy the software except as specifically allowed in the licence or non disclosure agreement No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose without the express written permission of Geocentrix Ltd 1992 2011 Geocentrix Ltd All rights reserved Geocentrix and ReWaRD are registered trademarks of Geocentrix Ltd Other brand or product names are trademarks or registered trademarks of their respective holders Set in Optimum using Corel WordPerfect X5 Printed in the UK Acknowledgments ReWaRD was originally commissioned by British Steel Ltd now part of Tata Steel ReWaRD 2 x was designed and written by Dr Andrew Bond of Geocentrix with the assistance of lan Spencer of Honor Oak Systems The ReWaRD Quick Start Guide was written by Andrew Bond Parts of ReWaRD were developed with the assistance of Professor David Potts of Imperial Col
20. Ol nerated Pane and then right GentuoionStas Open Workbook h click on Soil 1 aaa i Generated in its ij Layer Objects Pane Choose the command Properties of Soil 1 Generated to display that object s properties box On the General page change the soil s Name to Sand and gravel Click on the Classification tab to change page but leave the soil s the Class as Unclassified and State as Unspecified x Cancel ff Detaults Medium dense Click on the Density Weight tab to change page If not already selected select the Weight density button Enter the soil s Saturated weight density as 20 3 kN m and its Unsaturated weight density as 18 kN m If you get a warning message when you proceed on the next step click Yes to confirm the values entered Tutorial 3 Cofferdam in mixed soils 41 Mass Densit Weight Density M Cancel Saturated 20 3 kN m Fa Defaults Unsaturated 18 kN m 5 Click on the Effective Stress tab to change page If not already selected select the Peak button Enter the soil s Angle of Friction as 35 and its Effective Cohesion as 0 kPa Angle of Friction 35 deg Effective Cohesion 0 kPa Peak Critical State 6 Click on the OK button to confirm the values entered and to proceed 7 Now right click on Soil in the E Stockyard Step 2RWD Stockyard s Types Pane and choose the car Obje
21. Wizard Select Create new project from the available options and click Go to proceed If ReWaRD is already running and you have an existing project open click New on the program s File menu You will be prompted to save your work if you have not already done so Step 1 create the construction stage In Step 1 you will create a construction stage and display its Workbook showing a blank Drawing Board 1 Open the program s Create menu and click on Pr Construction Stage to display the Create Sansun Sages y Construction Stage box Alternatively click on the Create Construction Stage button on the Stockyard s Toolbar Ground Profile Excavation ale QO CURE ers The Create Construction Stage box will open Create Construction Stass o Since there is only one option to choose from Selectthe obiect ta creat click the OK button to proceed TE X canca The Properties of Construction Stage 1 box EE will open This is a multi paged dialog box that allows you to set the properties of the newly created construction stage Change the Name of the construction stage to Example C2 and click OK to proceed The stage s other properties will be set later 20 Geocentrix ReWaRD 2 7 Quick Start Guide r General Core Boreholes Water Tables gt Name Example C2 M Cancel Type Construction Stage Bie 2 Help 4 ReWakRD will create a
22. Workbook to make it active The commands on the Calculate menu are only enabled when a Workbook is selected 2 Open the Calculate menu FE Workbook Example C2 Required Embedment g At Minimum Safe Embedment and choose the Required P Retaining Wall Embedment command Pieren ReWaRD automatically ts ner ewe 7 i Factors on resistance switches the Workbook to Its of On effective earth pressures 1 20 phi lt 20 1 50 phi gt 30 I ff On total earth pressures 2 00 S umma ry Vi ew oof Safety factor s resistance applied via Gross passive pressures 5 ia Minimum active pressure 5 00 kN m 3 3 Expand the Partial Factors g Safety margins on geometry 3 i Ele Factors on structural forces node to displaye more of the 9 On bending moments 1 50 i On shear forces 1 50 tree structure by clicking on 5 On prop forces the button next to its caption Then expand the Factors on resistance and Factors on structural forces nodes to display the partial factors that have been applied in this calculation 4 The required embedment of the wall is displayed under the At Minimum Safe Embedment next to the Depth of toe node CIRIA 104 reports the depth of embedment as 7 5 m which when added to the retained height of 8 m gives a toe depth of 15 5 m 32 Step 8 In Step 8 Geocentrix ReWaRD 2 7 Quick Start Guide calculate structural forces you will determine the
23. aigo A copy of this step can be found at Projects Tutorial 2 Step 3 rwd Step 4 create the borehole In Step 4 you will specify ground conditions at the site using a soil to represent the properties of the clay a layer to represent the geometry and drainage conditions of that soil and a borehole to represent the elevation and ordering of the layers This step will also demonstrate a quicker way to create objects Geocentrix ReWaRD 2 7 Quick Start Guide Right click on the word Soil in the Siti i SE Stockyard s Types Pane to display its an Ber A 2 onstruction Stage context sensitive menu Click New to Excavation expand the sub menu and then click A z 1 ayer ew bject Clay to create the new soil a as Water Tables Sand The Properties of Soil 1 box will Boran ae open and display its General page E Retaining Wall Cohesive sit wm Prop Clay X Change the Name of the soil to Stiff Ancher BRE clay Click on the Classification tab to change page Change the soil s State to Stiff Click on the Density Weight tab to change page If not already selected click on the Weight Density button Then if necessary change the soil s Saturated and Unsaturated weight densities to 20 kN m Click on the Effective Stress tab to change page Change the soil s angle of shearing resistance to 25
24. ated during the calculations please inspect the Messages View for more informati 6 This error message occurs because the ground profile at this site comprise interbedded sands and clays and ReWaRD cannot decide whether to treat this profile as predominantly sand or clay 10 Geocentrix ReWaRD 2 7 Quick Start Guide Open the Design menu and choose the Options command A dialog box will appear Click on the Displacements tab to change page and untick the Auto Select box If necessary select Sand to tell the program to treat this profile as sand despite the presence of clay in it Click OK to confirm these changes 5 Prop Loads Displacements oy Database F Auto Select f Defaults elp Sand C Stiff Clay Soft Clay Open the Calculate menu and choose Clear Messages to remove the old messages from this view The re open the Calculate menu and choose Calculate All again This time no error message appears and the Message View looks something like this Workbook Stage 2 Generated Messages ff Calculating earth pressures as built for the specified wall length and safety factors wa Calculating earth pressures at the minimum safe embedment with the specified safety factors a Calculating earth pressures at failure with safety factors set to 1 a Calculating structural forces a Calculating base stability Calculating displacements caf Prop spacing calculated using Fernie amp Suckling s 1
25. ates the wall s required embedment with the selected partial factors applied and uses f those earth pressures to calculate the resultant structural forces in the wall The program displays its results pictorially as shown on the right The largest factored bending moment and shear force in the wall are also given In Eurocode terms these are ultimate limit state design values Largest factored bending moment 111 6 kNm m Largest factored shear force 194 9 kN m Workbook Stage 1 Generated Structural Forces 4 You can view numerical ees me pe amen ep values of the structural forces 2 __ vicus maca cnc con rasnad Pct by selecting Table on the Sj to on to on on Workbook s View menu Columns B to E show a 020 structural forces without v3 partial factors applied to the ise sant 3 ai effects of actions columns F EET Les to show them with the partial factors applied Since the partial factor applied to effects of actions according to EN 1997 1 is 1 0 these values are the same in this instance H Prop Force Factored kNm l Prop Force Factored 03 0 0 03 A b ji w N 5 Wo ab b ob o b oe a oe a fe With Maximized Safety Factors Ui At Failure fy Required Embedment y Structural Force 5 You can search for the maximum bending moment in the wall as follows First click anywhere in the Moment Factored c
26. ay that stage s Workbook The Drawing Board for Stage 2 Generated should look something like this Cut Nap A NN pe a RO gt IRIN ef 3 If it is not already selected click on the Workbook to make it active The commands on the Calculate menu are only enabled when a Workbook is selected 4 Open the Calculate menu and choose the Calculate Tools Calculate All command Validate Data 5 An error message will appear as follows 1 ee error warning message s generated during the calculations please inspect the Messages Displacements View for more information Click OK to eens confirm you have read this message ReWaRD Calculate All ly will automatically display its Messages View Clear Results which will look something like this ia Workbook Stage 2 Generated Messages 4 Validating the construction stage 5 Calculating earth pressures as built for the specified wall length and safety factors a Calculating earth pressures at the minimum safe embedment with the specified safety factors a Calculating earth pressures at failure with safety factors set to 1 ie 4 Calculating structural forces H Calculating base stability Calculating displacements ti Command started at 12 7 11 12 48 15 pm ReWaRD cannot decide which profile to use to calculate displacements You need to manually select one N a lt Calculating durability idd 1 error warning message s gener
27. bottom of the Stockyard Now is a good moment to save your work to disk which you can do using the Save or Save As commands on ReWaRD s File menu A copy of this step can be found at Projects Tutorial 1 Step 1 rwd Name Soil 1 Generated Type Sand Class Unclassified State Unspecified Wet weight 20 3488 kN m Dry weight 16 9945 kN m Failure state Peak Friction 35 Cohesion 0 kPa Poisson s ratio 0 3 Notes Step 2 choose the design standard In Step 2 you will select the design standard to use when calculating the wall s stability 1 If it is not already ticked select Eurocode 7 gt Design Approach 1 Combination 2 DA1 2 from ReWaRD s Design menu Next review the settings for Eurocode 7 DA1 2 by selecting Calculate Tools Window Help CP2 Piling Handbook b CIRIA 104 b Geoguide 1 BS 8002 e w Eurocode7 r Custom Design v Properties Options Design Approach 1 Combination 1 Design Approach 1 Combination 2 Design Approach 2 Design Approach 3 Serviceability Pre standard ENV 1997 1 12 Geocentrix ReWaRD 2 7 Quick Start Guide Properties from the from the Design menu Limiting Earth Pressure Coefficients x Cancel Kerisel amp Absi j f Defaults Max Depth of Tension Crack Tension crack limited to the retained height Help Cantilever Toe In 20 E Apply partial Factors to effects instead of action
28. cts EM cond ana or command New gt Clay to create a i Construction Stage j M Ground Profile new clay and display that object s Ig Excavation properties box aa 8 Repeat the steps above to set the ham properties of this new soil as follows _ i Surcharges ONE Name Firm clay State Firm aa Re Cohesive sit Saturated and Unsaturated weight m Prop ouy Organic densities both 21 kN m Angle of get Friction and Effective Cohesion both take default values 9 Then click on the Total Stress tab to change page Enter the soil s Undrained Strength as 60 kPa e t DensityWeight Effective Stress Total Stress Nol 4 A OF N Undrained Strength Bo kPa x Cancel Increases with Depth f Detaults 10 Click on the OK button to confirm the values entered and to proceed Geocentrix ReWaRD 2 7 uick Start Guide Repeat the steps above to create a new sand with the following properties Name Silty sand Class Silty Saturated and Unsaturated weight densities both 20 3 kN m Angle of Friction Repeat the steps above to create a new clay with the following properties Name Soft firm clay State Soft Saturated and Unsaturated weight densities both 20 kN m Angle of Friction 30 and Effective Cohesion 0 kPa Undrained Strength 40 kPa a a zaj Existing Objects 11 35 and Effective
29. dment the maximum bending moment and shear force in the wall and the force in the prop Overview o In Step 1 you will create a construction stage and display its Workbook showing a blank Drawing Board In Step 2 you will define the geometry of the ground on both sides of the wall In Step 3 you will create a retaining wall of the appropriate type specify its length and cross sectional properties and then create a prop to support the wall e In Step 4 you will specify ground conditions at the site using a soil to represent the properties of the clay a layer to represent the geometry and drainage conditions of that soil and a borehole to represent the elevation and ordering of the layers Tutorial 2 Propped wall in stiff clay 19 In Step 5 you will create two water tables one on each side of the wall In Step 6 you will select the design standard to use when calculating the wall s stability In Step 7 you will determine the required embedment for this design situation according to CIRIA 104 s Gross Pressure Method In Step 8 you will determine the resulting structural forces in the wall according to CIRIA 104 In Step 9 you will obtain a hard copy of your results In Step 10 you will close and optionally save the project If ReWaRD is not already running double click on the ReWaRD icon on Windows Desktop to start the program Once the splash screen has disappeared ReWaRD displays its Start up
30. eWakRD icon on Windows Desktop to start the program Once the splash screen has disappeared ReWaRD displays its Start up Wizard Select Run the Construction Wizard from the available options and click Go to proceed Create a new project from a Template D Open an existing project Tutorial 1 Cantilever wall in sand 9 If ReWaRD is already running and you have an existing project open click Close on the program s File menu You will be prompted to save your work if you have not already done so Then open the Construction Wizard by selecting Tools on ReWaRD s main menu and then click on the Construction Wizard command Step 1 create the project Window Help Pointer foom In foom Out Start up Wizard Construction Wizard N aiana Upgrade Wizard In Step 1 you will use the Construction Wizard to create a scenario including the wall a borehole excavation and ground surface 1 5 6 The first page of the Wizard Step 1 asks you to specify the finished geometry of the retaining structure Select the Cantilever button and set the Retained Height to 4 m Step 1 Please specify the finished geometry of the retaining structure Cantilever C Propped Cantilever O Double propped C Multi propped Number of Props 0 Retained Height Click Next to continue Step 2 of the Wizard asks you to enter the depths of any props b Next Since there are none in th
31. fied design standard applied 3 You can display earth pressures over the full extent of the wall as follows Open the Calculate menu and choose the Earth Pressures gt As Built command ReWakRD will automatically display the results of this calculation when it has finished Earth pressures for the as built condition have partial factors applied in their calculation but are not normally in equilibrium unless the wall s embedded length happens to match that required by those factors See the ReWaRD Reference Manual for an explanation of the different types of earth pressure that the program calculates Tutorial 1 Cantilever wall in sand 15 Workbook Stage 1 Generated Earth Pressures As Built o o E 1 100 Al Hi oj il 4 H kl 1 il il l al zj a oO eee ee ee ee ee l alasa tirri lorri tinis hrrrslirrtinilin tinatah iriloridiritirrihinalinnN artaal You can display earth pressures at the point at which the wall would fail i e with no safety margin built in as follows Open the Calculate menu and choose the Earth Pressures gt At Failure command Earth pressures for the at failure condition are in equilibrium but have no partial factors applied in their calculation You can view numerical E Wotiook Sage Grete Eont Pressures at Fatur values of any of these earth me a a a e 8 eg E pressures by selecting Table 3 a e Sen neta Eraser senai Eae on the Workboo
32. file display the Create Prop box Alternatively click on the Create Prop button on the Stockyard s o ee Toolbar Pep N x e S be oe e alk alaale elt fm z i Select the object to create ie Cancel Raking Prop Help The Create Prop box will open Select Horizontal Prop and click OK to proceed Tutorial 2 Propped wall in stiff clay 25 10 The Properties of Prop 1 box will open and display its General page Change the Name of the prop to Prop at 2 m 11 Click on the Dimensions tab to change page Change the Depth of the prop to 2 m and click OK to proceed General Dimensions Notes Defauts OK x Cancel Depth Level F 2m x Spacing im g Defaults Help Inclination O deg Temporary Prop 12 ReWaRD will create a new prop named Prop at 2 m and add it to the Stockyard To add the prop to the construction stage drag it from the Stockyard and drop it onto the Workbook s Drawing Board 13 Right click on the Drawing Board s ruler to change its scale to 1 250 The Drawing Board should now look like this Workbook Example C2 Drawing Board ie nf Es LE 1 250 Fal Fal Fal fil rt 9 il H H 20 z a a 1M OTM AMY MO dinsalsnralaniadiranlinsiNasa tanih zd fp Drawing Board ik As Built Ik At Minimum Safe Embedment fk With Maximized Safety Factors i F
33. in Dimensions tab to change page Click on the downward pointing arrow to the right of the Depth Level caption The arrow will now point upwards indicating that the value in the box alongside is now the level above datum instead of depth below datum Change the Level to 0 5 m and click OK to confirm The Drawing Boards will automatically refresh to show the new prop level General Dimensions Notes Defaults Depth Level D5 m Spacing F Defaults a it g ig B T ReWaRD s main screen should now look something like this Tutorial 3 Cofferdam in mixed soils 45 ere mms A s GE Workbook Stage 1 Generated Drawing Board Cea H Workbook Stage 3 Generated Drawing Board i eE EAA A w l Saalih E nlont ih Sa CE Workbook Stage 4 Generated Drawing Board tio ll 4 3 FA com Ta r 7 JE Drawing Board i As Built fe At Minimum Safe Ember lm Drawing Boara iki As Built le At Minimum Safe Embe Prop 1 Generated A copy of this step can be found at Projects Tutorial 3 Step 5 rwd Step 6 move existing water tables and create new ones In Step 6 you will change the depth of some of the existing water tables and add new water tables 1 Select Water Table 1 the water table on the retained side of the wall by clicking on its image on the Drawing Board for Stage 2 Generated A selection box
34. is example click Next to continue Step 3 of the Wizard asks you to enter the properties of the predominant soil type Select Sand from the Soil Type box leave the wet density at its default value enter a dry mass density of 1733 kg m equivalent to a weight density of 17 kN m and finally enter an angle of friction of 35 Step 3 Please enter the properties of the predominant soil type Sail Type Sand p ne dq Previous 2075 kg m Wet Density Dry Density 1733 kg m Angle of Friction 35 deg Click Next to continue Step 4 of the Wizard asks you to choose the type of retaining wall to create 10 Geocentrix ReWaRD 2 7 Quick Start Guide Select Diaphragm Wall in the Wall Type box and enter 600 mm in the Width box Construction Wizard J i Step 4 Please choose the type of retaining wall Wall Type Diaphragm Wall Width B00 mm dq Previous M Cancel Help 7 Click Next to continue 8 Step 5 of the Wizard asks you where you want to place any water tables Step 5 On which side of the wall do you want Water tables O Both Sides O Retained Side Only Excavated Side Only Neither Side 9 Click Next to continue 10 Step 6 of the Wizard asks you to generate the project If you want to change any settings made in the previous steps click the Previous button to go back mew r Step 6 Choose Go to generate the project 11 Click Go to generate the pr
35. k s View E TT TT menu In its default ees ee ol appearance the Table View 9 6 21 22 5 0 0 22 5 264 6 0 0 264 6 displays design values of earth water and total pressures on both sides of the wall f gt You can view the earth pressure a coefficients used in the calculations by 11 Osh k Ke KO Ke m Retained Retained Excavated Excayated selecting Earth Pressures a 0 00 0 213 0 923 0 000 0 000 3 4 ICI 1 5 4 40 0 213 0 923 0 000 0 000 Coefficients on the Workbook s View lt a3 oss omo now 7 4 51 0 213 0 923 6 601 5 866 menu In this appearance the Table da 0203 Oaea Berl eee g 6 21 0 213 0 923 6 601 5 866 View displays design values of K and K on both sides of the wall i e K and K on the retained side and K and K on the excavated side E Wontoo Suge Genet ath Presses A Fue 1 Depth K Ke K Ke Finally you can view all the values 5 Retained Retained Excavated Excavated used to calculate earth pressures by SES oof ons cga omo om 6 4 40 0 213 0 923 6 601 5 866 selecting Earth Pressures gt All on the 4 oza3 oaa aen sp Workbook s View menu In this appearance the Table View displays 8 4 51 0 213 0 423 5 601 5 866 6 21 0 213 0 923 5 601 5 666 16 Geocentrix ReWaRD 2 7 Quick Start Guide the results of every step in the calculations see the ReWaRD Reference Manual for details Step
36. k With Maximized Safety Factors J At Fai 7 If you make a mistake dropping the water tables so that they do not appear as shown above then you can rectify this by dragging them back into the Stockyard 8 Alternatively double click on any white area on the Drawing Board to display the Construction Stage s properties box Click on the Water Tables tab to change page Then change the tick marks in the On Retained Side and On Excavated Side boxes to match the screenshot below Click OK to confirm and to proceed 30 Geocentrix ReWaRD 2 7 Quick Start Guide Properties of Example C2 Core Boreholes Wa Tables Surcharges 4 gt On Retained Side On Excavated Side XM Cancel x Retained water O Retained water O Excavated water Excavated water g Defaults 2 Help 2 A copy of this step can be found at Projects Tutorial 2 Step 5 rwd Step 6 choose the design standard In Step 6 you will select the design standard to use to when calculating the wall s stability 1 If it is not already ticked select CIRIA 104 gt Gross Pressure Method from ReWaRD s Design menu Calculate Tools Wi vw Gross Pressure Method N Revised Method Strength Factor Method CPp2 Piling Handbook wv CIRIA 104 r Geoguide 1 B5 8002 r Eurocode 7 2 Next edit the settings for CIRIA 104 Gross Pressure Method by selecting Properties from
37. l L open Change the Name of the excavation to E erana 20 m long wall 5 Click on the Dimensions tab to change page Change the Toe Depth of the wall to 20 m Geocentrix ReWaRD 2 7 Quick Start Guide eee Dimensions Section Material EA Toe Depth Level E 20 m x Cancel Upstand Om ff Defaults Total Length 20 rn Help Click on the Section tab to change page Eez Change the Diameter of the piles to 750 mm e TOEN A and click OK to proceed An error message will appear telling you that the Spacing must be between 0 1 and 0 75 m Since this is a ae secant piled wall the spacing must not exceed the piles diameter Change the Spacing of the piles to 600 mm and click OK to proceed The remaining sectional properties update as you do so S General Dimensions 5 n Material alel e Diameter 750 v mm x M Cancel Spacing DE m g Defaults Area DE5JE7 cmm Hep Inertia 00250899 cm m aa Modulus O 0669065 cm m ReWakRD will create a new retaining wall named 20 m long wall and add it to the Stockyard To add the prop to the construction stage drag it from the Stockyard and drop it onto the Workbook s Drawing Board Now repeat the above steps for the prop Click on Properties Design Calcul the Stockyard to make sure it is selected Open eee eee the program s Create menu and click on Prop to Ground Pro
38. lculate the required embedment 31 Step 8 calculate structural forces 32 Step 9 print the results 32 Step 10 close the project 34 4 Geocentrix ReWaRD 2 7 Quick Start Guide TUTORIAL 3 COFFERDAM IN MIXED SOILS 9k vm wide Uk oes MORAG SON oO 5 Se Ree eS 35 Overview 36 Step 1 create the project 36 Step 2 change the excavation depths 39 Step 3 add the missing soils 40 Step 4 add missing layers 42 Step 5 extend the wall and move the top prop 43 Step 6 move existing water tables and create new ones 45 Step 7 add a surcharge 47 Step 8 select the design standard 48 Step 9 calculate earth pressures structural forces etc 48 What next 52 Introducing ReWaRD 2 7 5 INTRODUCING REWARD 2 7 ReWaRD 2 7 provides a rich set of capabilities for engineers to design analyse o various types of embedded retaining walls using current and historical design standards such as Eurocode 7 and BS 8002 XXXXx ReWaRD employs the limiting equilibrium method to analyse cantilever and single propped retaining walls and the hinge method to analyse double propped and multi propped walls Both traditional lumped factors of safety and modern partial factors can be applied in these calculations ReWakRD estimates wall movements by reference to a database of measured wall displacements and ground settlement What s new in ReWaRD 2 72 New geotechnical capabilities o Implementation of Eurocode 7 EN 1997 1 desig
39. lege of Sceience Technology and Medicine London and Dr Hugh St John of the Geotechnical Consulting Group London The following people assisted with the testing of this and previous versions of the program Romain Arnould Andy Fenlon Joe Emmerson and Kieran Dineen Revision history Last revised 12 July 2011 for version 2 7 0 Beta 5 Table of contents 3 TABLE OF CONTENTS What next TABLE OF CONTENT S erebaan os 05 0G HS SES NE ERSTE EEN ETON ee 3 INTRODUCING REWARD 2 7 lt 40 0000 bs teenie end oe eee eee eee a eee 5 What s new in ReWaRD 2 7 5 New geotechnical capabilities 5 New user interface features 5 Reporting 6 Documentation 6 Quick start guide this booklet 6 User manual 6 Reference manual 6 Help system 6 Software Re Assurance 7 Notes 7 TUTORIAL 1 CANTILEVER WALL IN SAND s6 42 66 0654 0844 4040 ee Sen ade ed Peo wss oe aes 8 Overview 8 Step 1 create the project 9 Step 2 choose the design standard 11 Step 3 calculate structural forces 12 Step 4 review earth pressures 14 Step 5 check the required embedment 16 Step 6 close the project 16 What next 17 TUTORIAL 2 PROPPED WALLIN STIFF CLAY 6 66 043 000 Shad Ce eed 18 Overview 18 Step 1 create the construction stage 19 Step 2 create the ground conditions 20 Step 3 create the wall and prop 23 Step 4 create the borehole 25 Step 5 create water tables 28 Step 6 choose the design standard 30 Step 7 ca
40. n rules for Design Approaches 1 2 and 3 o Option to apply partial factors to actions or effects of actions Improved New user interface features Updated user interface with better organization of menu options e Drawing Board provides plan elevation and cross section views of your project o Property Inspector allows live editing of any object in the project o Project Manager allows quick access to individual components of the project e Stockyard contains over 100 predefined items for use in your project Wide selection of wizards to guide you through commonly performed procedures Workbook provides a spreadsheet like display of all results o Graph Paper gives a highly customizable visual display of results 6 Geocentrix ReWaRD 2 7 Quick Start Guide o Message Board records program activities and displays warning and error messages as appropriate Reporting o Greatly improved reporting capabilities e Individual reports may be fully customized in some editions of the program Plus a completely revised and updated Online Help and new Quick start Guide Documentation ReWaRD 2 7 is supplied with a detailed Quick start Guide comprehensive User Manual and authoritative Reference Manual The latest versions of these manuals including any corrections and or additions since the program s first release are available in electronic Adobe Acrobat format from the Geocentrix website www geocentrix c
41. name you want in the File name box and click the Save button ReWakRD will then save and close the project A copy of this project can be found at Projects Tutorial 3 Tutorial Sew You cannot save the project in the Trial Edition of ReWaRD 52 Geocentrix ReWaRD 2 7 Quick Start Guide What next Further information about the program s capabilities can be found in the ReWaRD 2 7 User Manual and the program s built in help system Details of the theory that underpins the program s calculations can be found in the ReWaRD 2 7 Reference Manual Further resources are available from the Geocentrix website www geocentrix co uk and by telephone for customers with Software Re Assurance
42. nly enabled when the Stockyard is selected 10 Open the program s Create menu and click on SE steered Excavation to display the Create Excavation box eee ere Alternatively click on the Create Excavation Ground Profile Excavation button on the Stockyard s Toolbar Soil SMEKCOCEDNMEECEF 11 12 13 14 15 Geocentrix ReWaRD 2 7 Quick Start Guide The Create Excavation box will open Select Create Excavation Horizontal Excavation and click OK to Select the object to create proceed lel Rising Excavation x Petes The Properties of Excavation 1 box will open e 2 te Change the Name of the excavation to 8 m dig Click on the Dimensions tab to change page Change the Depth of the excavation to 8 m and click OK to proceed The Plan Dimensions of this object will take on default values ie General Dimensions Plan Dimensions Notes Depth Level ti 8m XM Cancel Defaults Help ReWaRD will create a new TEE Gott dalton excavation named 8 m dig and add 7 it to the Stockyard To add the excavation to the construction stage drag it from the Stockyard and drop it onto the Workbook s Drawing Board 4 as explained above When you release the left mouse button to drop the excavation into the construction stage it will immediately appear on the drawing to the right of the ver
43. ns generated by the Construction Wizard to match the project s specification o In Step 3 you will add soils that are missing from the project e In Step 4 you will add layers that are missing from the project and include them in the borehole In Step 5 you will add an upstand to the wall and relocate the top prop to the head of the wall e In Step 6 you will change the depth of some of the existing water tables and add new water tables o In Step 7 you will add a surcharge on the retained side of the wall e In Step 8 you will select the design standard to be followed by the calculations o In Step 9 you will calculate earth pressures required embedment structural forces and displacements for Stage 2 Generated In Step 10 you will close and optionally save the project If ReWaRD is not already running double click on the ReWaRD icon on Windows Desktop to start the program Once the splash screen has disappeared ReWaRD displays its Start up Wizard Select Run the Construction Wizard from the available options and click Go to proceed If ReWaRD is already running and you have an existing project open click Close on the program s File menu You will be prompted to save your work if you have not already done so Then open the Construction Wizard by selecting Tools on ReWaRD s main menu and then click on the Construction Wizard command Step 1 create the project In Step 1 you will use the Con
44. o Click the Help button in any dialog box e Click on the Help command on ReWaRD s main menu and select Contents Software Re Assurance Software Re Assurance which includes maintenance updates version upgrades and technical support for ReWakRD is available direct from Geocentrix or through your local distributor To obtain Re Assurance please contact Geocentrix as follows ReWaRD Technical Support Voice 44 0 1737 373963 Geocentrix Ltd Fax 44 0 1737 373980 Scenic House 54 Wilmot Way E mail support geocentrix co uk Banstead Surrey Web www geocentrix co uk support SM7 2PY United Kingdom Please be at your computer and have Please quote your licence number on your licence number ready when you all correspondence call Maintenance updates are available free of charge from the Geocentrix website Notes The screenshots in this guide were produced on Windows 7 Your screen may differ depending on the version of Windows on which you run ReWaRD Not all options are available in every edition of ReWaRD In this guide Projects refers to the folder where your ReWakRD projects are saved typically C Program Files Geocentrix ReWaRD 2 7 Projects 8 Geocentrix ReWaRD 2 7 Quick Start Guide TUTORIAL 1 CANTILEVER WALL IN SAND This tutorial demonstrates the basic features of ReWaRD through a worked example involving the analysis of a cantilever wall in sand o Ground conditions comprise 15 m of dense
45. o uk ReWakRD and follow links to ReWaRD s documentation Quick start guide this booklet The ReWaRD Quick start Guide includes six tutorials that show you how to use the main features of ReWaRD Each tutorial provides step by step instructions on how to drive the program There are three tutorials dealing with single pile design and three with pile group design The tutorials increase in difficulty and are designed to be followed in order User manual The ReWaRD User Manual explains how to use ReWaRD It provides a detailed description of the program s user interface which is being rolled out across all of Geocentrix s software applications Reference manual The ReWaRD Reference Manual gives detailed information about the engineering theory that underpins ReWaRD s calculations The manual assumes you have a working knowledge of the geotechnical design of single piles and pile groups but provides appropriate references for further study if you do not Help system ReWaRD s help system contains detailed information about the program including most of the information contained in the ReWaRD Quick Start Guide User Manual and Reference Manual plus additional information regarding ReWaRD that is not found in any of these documents Introducing ReWaRD 2 7 7 Help appears in a separate window to ReWaRD allowing you to view the help topics while you continue to work with ReWakRD itself To open the help system o Press F1
46. oject The Construction Wizard then o Creates Ground 1 Wall 1 Soil 1 Layer 1 Borehole 1 Stage 1 and Excavation 1 e Attaches Soil 1 to Layer 1 Tutorial 1 Cantilever wall in sand You can view these objects by selecting the Adds Layer 1 to Borehole 1 Adds Ground 1 Wall 1 Borehole 1 on both the retained side and the excavated side of the wall and Excavation 1 to Stage 1 Open the Workbook to display the contents of Stage 1 All Objects option in the Stockyard s Object Types panel top left of the Stockyard The Stockyard will look as shown in the picture alongside To view the properties of any particular object 1 Select the object you want in the Stockyard s Existing Objects panel top right of the Stockyard 11 Object Types Existing Objects fae ENA Objects a Construction Stage Ba Ground Profiles m Excavations B Soils if Layers a Boreholes Water Tables WH Surcharges Imposed Loads Retaining Walls ta Props e Anchors ma Yall 1 Generated Soil 1 Generated Layer 1 Generated a Borehole 1 Generated i Stage 1 Generated la Excavation 1 Generated m Ground 1 Generated a Other Objects For example select Soil 1 Generated A summary of the selected object s properties will appear in the Stockyard s Properties of Selected Object panel at the
47. olumn Then open the Edit menu and choose the Find command Alternatively click on the Find button on the Stockyard s toolbar lela aali 31 8ul f 2 6 In the Find box that appears select what you want to search for e g the Maximum and click OK to perform the search The Workbook display will XM Cancel scroll to show the maximum bending V Ignore Sign 2 Heb moment along the wall Find What Maximum O Minimum 14 Geocentrix ReWaRD 2 7 Quick Start Guide Step 4 review earth pressures In Step 4 you will review the earth pressures that were used to calculate the resultant structural forces acting in the retaining wall 1 To display the earth pressures that were used to calculate structural forces open the View menu and choose the Earth Pressures gt At Minimum Safe Embedment command To display the results in graphical form re open the View menu and choose the Picture command Workbook Stage 1 Generated Earth Pressures At Minimum Safe Embedment bala TEC Fara e E ul i tL N E a a a leweubocso Pra 2 The drawing shows active and passive earth pressures on either side of the wall and indicates with a red dashed line the extent of the unplanned excavation that has automatically been taken into account The depth of the earth pressures corresponds to the minimum safe embedment of the wall These earth pressures are in equilibrium with partial factors from the speci
48. priate button 3 If you have not already named this file ReWaRD will display its Save As box Enter the name you want in the File name box and click the Save button ReWakRD will then save and close the project A copy of this project can be found at Projects Tutorial 2 Tutorial 2 rwd What next Tutorial 3 takes you through the design of a more complicated structure a multi propped cofferdam in mixed soils using the techniques introduced in Tutorials 1 and 2 You cannot save the project in the Trial Edition of ReWaRD Tutorial 3 Cofferdam in mixed soils 35 TUTORIAL 3 COFFERDAM IN MIXED SOILS Tutorial 3 helps you to get to grips with ReWaRD s more advanced features by building a multi propped cofferdam in a mixed soil profile The tutorial shows you how to change engineering objects generated by ReWaRD s Construction Wizard add new engineering objects as needed choose between the available design standards check the results of your calculations and customize the printed output The worked example is taken from CIRIA s Special Publication 95 The design and construction of sheet piled cofferdams by Williams and Waite 1993 Appendix B of that document describes the design of a sheet pile cofferdam used to support a sub surface tank in a mixed soil profile o Ground conditions at the site comprise 4 m of sand and gravel Ya 18 kN m Vat 20 3 kN m 35 2 5 m of firm clay Y 21kN m3 c
49. ps e Anchors EN Other Objects a idil m Object Hydrostatic Water Table Dry Water Table Standing Water Table Constant Water Table Hydrodynamic Water Table Linear Seepage Water Table N Inverted Water Table Tidal Water Table Tutorial 2 Propped wall in stiff clay 29 3 Click on the Properties tab to change page Change the water table s Depth to 1 m Click OK to confirm the entered values and to proceed r Properties of Water Table 1 General Properties Connectivity Motes Hi OR A Depth Level EJ 1m x XM Cancel Gradient 8065 kN m X z Defaults Help 4 ReWaRD will create a new water table named Retained water and add it to the Stockyard 5 Repeat the previous steps to create a second Linear Seepage Water Table named Excavated water at a depth of 9 m 6 Add the two water tables to the construction stage by dragging them from the Stockyard and dropping them onto the Workbook s Drawing Board The Retained water object should be dropped to the left of the wall and the Excavated water object to the right The Drawing Board should now look like this E Workbook Example C2 Drawing Board ice nf s url a 1 250 Fal A Fal il il ai il l l 20 tis 0M FOAM MUA MEU CRM RE OM ROMEO NATAAN ANA ORE NAANA ANA Se NTANINET EAEN ATENANTIT 23 JB Drawing Board ik As Built Ik At Minimum Safe Embedment f
50. resulting structural forces in the wall according to CIRIA 104 If it is not already selected click on the Workbook to make it active The commands on the Calculate menu are only enabled when a Workbook is selected H Workbook Example C2 Structural Forces Eada 1 100 14 13 F uj fra ee sa PPT SB cea EEE emir Vil Vea trae Ftd Ga A local wd r AG Open the Calculate menu and choose the Structural Forces command ReWaRD gt Bg te eee Tr automatically switches the Workbook to its Picture View ReWakRD then calculates the resultant structural forces in the wall and displays the results pictorially as shown on the right The largest factored bending moment and shear force in the wall are also given CIRIA 104 on page 137 reports the maximum unfactored bending moment as 627 kNm m corresponding to a factored bending moment of 627 x 1 5 940 7 kNm m and the maximum unfactored shear forces as 232 kN m corresponding to a factored shear force of 232 x 1 5 324 kN m Step 9 print the results In Step 9 1 you will obtain a hard copy of your results Click on ReWaRD s File menu and moo iT a choose Page Setup to display the Sisia wantos Petaee rei cel int information about these objects x Cne program s Print Page Setup box of Conctucton Stages EE wi leE xcaval tions 9
51. ry Water Table anding Water Table Click on the Properties tab to change page and change the Depth to 2 5 m Click on the Connectivity tab to change page Untick the Connected to Overlying Water Tables box and then enter 80 kPa in the Ambient Pressure box Click OK to confirm the values entered and proceed Properties of Water Table 1 i General Properties Connectivity Notes rl A N C Connected To Overlying Water Tables x Cancel Ambient Pressure gt 80 kPa f Detaults Add Sub artesian water table to Stage 2 Generated by dragging and dropping the water table from the Stockyard onto the Drawing Board for that stage The water table will appear on whichever side of the retaining wall you release the mouse Repeat this drag and drop operation releasing the water table on the other side of the wall on the second occasion Stage 2 should now look something like this you may need to enlarge the Workbook s window to see the complete picture PN RA gt RETR Nt tn iy pt EA IN Tutorial 3 Cofferdam in mixed soils 10 11 12 13 14 47 Stockyard Step Object Types Finally right click on Sub 6 RWD Ammy Existing Objects artesian water table in the ga All Objects Stockyard s Objects Pane and choose the command Duplicate to create a carbon copy of that water table with the name Water Table 1 lm
52. s 3 Click on the Load Factors tab to RRA eee rear A A hravYouranie avourable confirm that a partial factor of 1 0 is Permanent 1 IK 1 applied to permanent and accidental i i Variable Ia actions and 1 3 is applied to variable i actions as per the requirements of EN 50 7 1997 1 A Click on the Material Factors tab to Partial Factors on Drained Parameters confirm that the factors applied to Shearing Resistance tan phi tan and c are 1 25 and toc is 1 4 Effective Cohesion c again as per EN 1997 1 Partial Factors on Undrained Parameters 5 Review other settings by clicking on Undrained Strength Cu the various tabs in turn 6 Click OK to close the property box A copy of this step can be found at Projects Tutorial 1 Step 2 rwd Step 3 calculate structural forces In Step 3 you will calculate the resultant structural forces effects of actions in Eurocode terms acting in the retaining wall 1 If it is not already selected click on the Workbook to make it active The commands on the Calculate menu are only enabled when a Workbook is selected 2 Open the Calculate menu and choose the Structural Forces command Alternatively click on the Calculate structural Forces button on the Workbook s toolbar a tooltip will popup when you hover the mouse over the button Tutorial 1 Cantilever wall in sand 13 be E CE mal us le i i T 3 ReWaRD then calcul
53. sand The sand has unit weight of 17 kN m and angle of shearing resistance of 35 e The groundwater table is 15 m below formation level and hence the sand can be considered dry throughout e The retaining wall which is made from a 0 6 m thick diaphragm panel will support a 4 m deep excavation without the aid of propping o You want to determine the wall s minimum depth of embedment and the maximum bending moment and shear force it must resist Overview e In Step 1 you will use the Construction Wizard to create the scenario described above including the wall a borehole excavation and ground surface o In Step 2 you will select the design standard to use when calculating the wall s stability e In Step 3 you will calculate the resultant structural forces effects of actions in Eurocode terms acting in the retaining wall o In Step 4 you will review the earth pressures that were used to calculate the resultant structural forces acting in the retaining wall e In Step 5 you will determine the depth of embedment required to satisfy the requirements of Eurocode 7 with regards to overall stability of the wall o In Step 6 you will close and optionally save the project Sarup Ward a O as ReWerD ReWaRD Welcome to RewaRD 2 7 d Cancel What do you want to do todan T E TARER 9 Help Bun the Construction wizard C Create a new project If ReWaRD is not already running double click on the R
54. struction Wizard to create a sequence of construction stages to model the multi staged construction outlined in the project s specification 1 The first page of the Wizard Step 1 asks you to specify the finished geometry of the retaining structure Select the Multi propped button set the Number of Props to 3 and set the Retained Height to 8 5 m Click Next to continue Tutorial 3 Cofferdam in mixed soils 37 Step 1 Please specify the finished geometry of the retaining structure Cantilever iNexk C Propped Cantilever rave O Double propped Multi propped M Cancel Number of Props 9 Help Retained Height 5 5 m 2 Step 2 of the Wizard asks you to enter the depths of the props You want to place the first prop at 0 5m above ground level but the Construction Wizard will not allow you to enter negative depths Therefore leave Prop 1 at ground level temporarily you will change its depth later Select Prop 2 enter 4 m in the Depth box and click the Apply button Then select Prop 3 enter 6 5 m in the Depth box and click Apply Click Next to continue Construction Wizard x A Step 2 Please enter the depths of the props io pe lao Prop 1 Generated at 0 m Prop 2 Generated at 4 mm op 3 Generated at 4 mm Name Prop 3 Generated Depth gt EE m 3 Step 3 of the Wizard asks you to enter the properties of the predominant soil type In this example we will treat the sand
55. the Design menu 3 On the General page set the Design Approach to Moderately Conservative and the Works to Temporary General Load Factors Material Factors Resistan 4 r Limiting Earth Pressure Coefficients x Cancel Caquot amp Kerisel f Defaults Max Depth of Tension Crack Tension crack limited to the retained height Help Cantilever Toe In 20 E Design Approach Moderately Conseryat C Worst Credible Works Temporary C Permanent 4 Click on the Resistance Factors tab to change page Confirm that the factors applied to drained parameters are 1 2 for lt 20 1 5 for Tutorial 2 Propped wall in stiff cla 30 and 2 0 for undrained parameters as per CIRIA 104 Load Factors Material Factors Resistance Factors gt M Cancel ff Defaults Help Partial Factors on Earth Pressures Drained 1 2 for phi lt 20 1 5 for phi gt 30 Undrained 2 Partial Factor Applied To Gross passive pressures Minimum Active Pressure lt 5 Review other settings by clicking on the various tabs in turn When you have finished click OK to close the property box A copy of this step can be found at Projects Tutorial 2 Step 6 rwd Step 7 calculate the required embedment In Step 7 you will determine the required embedment for this design situation according to CIRIA 104 s Gross Pressure Method 1 If it is not already selected click on the
56. the sub menu and then a click Undrained Layer to create a Pe saan le new layer Water Tables Drained Layer IH Surcharges eae Imposed Load gt ia Jk The Properties of Layer 1 box will open and display its General page Click on the Properties tab to change page Change the Soil to Stiff clay and change the layer s Thickness to 30 m Click OK to confirm these settings and to proceed ReWakRD will create a new layer named Layer 1 and add it to the Stockyard z En General Properties Tension Crack Coefficient i 4 OK Sail l Stiff clay Me M Cancel Defaults 2 Help Thickness Finally right click on the word EE Stockyard Step 3 RWD re Obiect Types Existing Objects Borehole in the Stockyard s Types JA All Objects Pane to display its context sensitive f Construction Stage A B Ground Profile menu Click New to expand the sub ie scstition menu and then click Borehole to i Soil id Layer create a new borehole Water LL Ek The Properties of Borehole 1 box eudann Borehole will open and display its General Imposed Load page Click on the Layers tab to change page Select Layer 1 in the Available box and click the gt button to move it into the Chosen box Click OK to confirm these settings and to proceed 15 Geocentrix ReWaRD 2 7
57. tical datum line The Drawing Board should now look like this Tutorial 2 Propped wall in stiff clay 23 Workbook Example C2 Drawing Board 1 2 5 20 15 M 5 oj 4 10 15 20 25 3 Be era a a e A A ben avidhaveiterei nvaivarndl T 2 mW 3 PN glun fl Aoa CUNA aE aa l Parle EE S m fis Drawing Board ik As Built Ik At Minimum Safe Embedment fk With Maximized Safety Factors ly At Fail A copy of this step can be found at Projects Tutorial 2 Step 2 rwd Step 3 create the wall and prop In Step 3 you will create a retaining wall of the appropriate type specify its length and cross sectional properties and then create a prop to support the wall 1 Click on the Stockyard to make sure it is selected the commands on the Create menu are only enabled when the Stockyard is selected 2 Open the program s Create menu and click on Create Properties Design Calcd Retaining Wall to display the Create Retaining Sten stags Wall box Alternatively click on the Create Retaining Wall button on the Stockyard s Toolbar Surcharge Imposed Load be IE l lal al E OSGF Retaining Wall ts 3 The Create Retaining Wall box will open Select Secant Pile Wall and click OK to Select the object to creats Sheet Pile Wall proceed ee Contiguous Pile Wall 4 The Properties of Retaining Wall 1 box will Diaphragm wa
58. ts Tutorial 3 Step 4 rwd Step 5 extend the wall and move the top prop In Step 5 you will add an upstand to the wall and relocate the top prop to the head of the wall 1 Select the retaining wall by clicking on its image on the Drawing Board for Stage 1 Generated A selection box will appear around the image and the wall will be highlighted in the Stockyard Geocentrix ReWaRD 2 7 Quick Start Guide Right click on the selected wall and Bm caren animes merge cer choose Properties of Wall 1 Ba oe Generated from the popup menu that appears on screen The wall s properties box will appear Click on the Dimensions tab to change page 4 Properties of Wall 1 Generated Page Properties ly Change the wall s Upstand to 0 5 m The Total Length box will update to show 13 25 m Click OK to confirm the new values The Drawing Boards will automatically refresh to show the new upstand Toe Depth Level 15 a Upstand i g Defaults Total Length 3 25 Help Next select the top prop by clicking on its image on the Drawing Board for Stage 2 Generated A selection box will appear around the image and the prop will be highlighted in the Stockyard Right click on the selected prop and a mie ene ee tee choose Properties of Prop 1 Generated from the popup menu z that appears The prop s properties 2 Propet Pops Genenseihe p box will appear Click on the co
59. utton to go back Otherwise click Go to generate the project The Construction Wizard then Creates Stages 1 2 3 and 4 e Creates Ground 1 and Excavations 1 to 4 o Creates Soil 1 Layer 1 and Borehole 1 e Creates Water Tables 1 to 5 e Creates Wall 1 and Props 1 2 and 3 o Attaches Soil 1 to Layer 1 and adds Layer 1 to Borehole 1 e Adds Ground 1 Wall 1 Borehole 1 on both sides of the wall and Water Table 1 to all stages Tutorial 3 Cofferdam in mixed soils 39 Adds Excavation 1 and Water Table 2 to Stage 1 Adds Excavation 2 Water Table 3 and Prop 1 to Stage 2 Adds Excavation 3 Water Table 4 and Prop 2 to Stage 3 Adds Excavation 4 Water Table 5 and Prop 3 to Stage 4 Opens the Workbooks for Stages 1 to 4 Now is a good moment to save your work to disk which you can do using the Save or Save As commands on ReWaRD s File menu A copy of this step can be found at Projects Tutorial 3 Step 1 rwd Step 2 change the excavation depths In Step 2 you will change the depths of the excavations generated by the Construction Wizard to match the project s specification 1 Open the program s Window menu and click Tile Window Help to change the arrangement of the open ee Workbooks In this arrangement you will see the Tile N effect of each change in property as it is applied Z Stockyard Step 1 RWD P Obiect Types Existing Objects je al Objects lm Excavation
60. will appear around the image and the water table will be highlighted in the Stockyard 2 Right click on the selected water table ii narra acer beste and choose Properties of Water a Table 1 Generated from the popup e menu that appears The water table s ssn properties box will appear Click on the Properties tab to change page 3 Change the Depth to 2 5 m and click OK to confirm the new value The Drawing Boards will automatically refresh to show the new water table depth Depth Level H 25m Gradient 9 80665 kN m Jf Defaults Geocentrix ReWaRD 2 7 Quick Start Guide Repeat the previous steps for Water Table 3 changing its depth to 5 0 m This will bring this water table back into line with the formation level for Stage 2 Generated Now right click on Water Table in iss ect Types xisting Objects the Stockyard s Types Pane and All Objects di Water Table 1 Genera a Construction Stage di Water Table 2 Generat ch oose the com mand New gt D Ground Profile Water Table 3 Generat Excavation di Water Table 4 Generat Hydrostatic Water Table to create a th ser ee cs oan new hydrostatic water table and ar display that object s properties box IH Surche es Object Imposed Load On the General page change the Sl water table s Name to Sub artesian am Prop water table Hydrostatic Water Table X D
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