gravity_wall_verification_manual_en

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1、VerificationManualofGEO5GravityWallprogramWrittenby:Ing.VeronikaVanˇeˇckov´a,Ph.D.Editedby:Ing.Jiˇr´ıLaurinVerze:1.0-en©1989-2009FineLtd.www.geo5.cnINTRODUCTIONThisGravityWallprogramVerificationManualcontainshand-madecalculationoffollowingproblems:•ca

2、lculationofearthpressures•calculationofhydrodynamicpressure•verificationofthewallwiththehelpoftheoryoflimitstates•dimensioningofwallsectionaccordingtoEN1992-1-1[1]•verificationofthewallinfluencedbyearthquakeaccordingtoMononobe-Okabetheory[2],[3]Ingenera

3、lthisVerificationManualhasbeenmadetoshowtheabilityoftheGEO5softwaretoprovideasolutionconsistentwiththeresultofhand-madecalculationsortextbooksolutions.Resultsofhand-madecalculationsarecomparedwiththeresultsfromGEO5GravityWallprogram.Contents1Example11

4、1.1Problemdescription..............................11.2Verificationofthewholewall........................11.3Bearingcapacityofthefoundationsoil...................111.4Dimensioning-analysisofwallsection...................111.5Verificationofthewall-influe

5、nceofearthquake..............161.6Bearingcapacityofthefoundationsoil...................23Reference23VerificationManualGEO5GravityWall1Example11.1ProblemdescriptionInFig.1isshownexampleofgravitywallwithinclinedfootingbottom(inclination1:10).Earthbodyis

6、compoundedfromtwosoillayersandterrainisinclined(1:10).Toplayer(depth1.5m)isformedfromsandysilt(MS),lowerlayerisclayeysand(SC)atfrontfaceandbackfaceofthewall.GroundwatertableisintheleveloflayerSC,i.e.1.5mbehindthewalland3.7minfrontofthewall.Soilproper

7、ties(effectiveparameters)arementionedintheTab.1.Wallismadefromplainconcrete(bulkweightγ=23kN/m3).Verificationanalysisofthewallisperformedwiththehelpoftheoryoflimitstates.Figure1:Wall-geometrySoilparameters(angleoffrictionandcohesion)arereducedbycoefficie

8、ntsγmϕ=1.1aγmc=1.4.DesignvaluesusedincalculationareinTab.2.1.2VerificationofthewholewallCalculationofweightandcentroidofthewall.Wallisdividedinto5parts(Fig.1).Parts4and5areundergroundwatertable,thereforebulkweightofconcreteisreduced,www.geo5.cn1©1989-