筋土之間直剪試驗和拉拔試驗的對比分析(1)

1、同濟大學(xué)土木工程學(xué)院碩士學(xué)位論文筋土之間直剪試驗和拉拔試驗的對比分析姓名：孟凡祥申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：徐超20090301AbstractAbstractThegeosyntheticreinforcedsoilsreceivedalargenumberofapplicationsingeotechnicalengineering，theinteractioncharacteristicsbetweensoilsan

2、dgeosyntheticsarethekeyfactorsforthedesignofreinforcedsoils，anddirectsheartestandpullouttestarewidelyusedincharacterizinginteractionbetweensoilsandgeosyntheticsbyexperimentalmethodsHence，itisessentialtoquanti母theinteract

3、ionparametersbydirectsheartestandpull—outtestandrecognizethedifferencebetweenbothInthisdissertation，aseriesofresearchworkincludingdirectsheartestsandpullouttestsbetweensoilsandgeosyntheticsarecarriedoutseveralvaluablecon

4、clusionsandresultsareobtainedasfollowing1)Ageosynthetic—soilsheardeviceisdesignedandmanufacturedtododirectsheartestandpullouttestbetweensoilsandgeosyntheticsunderdifferentnormalstressesanddifferentratesofshear2)Directshe

5、artestsbetweensoilsandgeosyntheticsareperformedinordertoexplorethefrictionalcharacteristicsbetweendifferenttypesofgeosyntheticsandquartzsand，analysistheinfluenceofthetypesofmaterialsandtherateofshearontheresultsoftestsTh

6、eresultsshowthattherateofshearhaslittleinfluenceontheresults，andthetypesofmaterialshavegreatimpactontheresults3)Pullouttestsbetweensoilsandgeosyntheticsareperformedinordertesearchthefrictionalfeaturesbetweendifferenttype

7、sofgeosyntheticsanddifferenttypesoffill，analysistheinfluenceofthetypeofmaterialsandnatureoffillontheresultsoftestsTheresultsshowthattheabovefactorshaveinfluenceontheresults4)111ecomparisonoftheresultsfromdirectsheartesta

8、ndpullouttestshowsthattheinterfaceshearstrengthobtainedfromdirectsheartestandpull—outtestdiffersintestmaterial，forwovengeotextiles，theresultfromdirectsheartestandpull—outtestismoreorlessthesame；asfortheglassfibergrid，the