雙向增強(qiáng)體復(fù)合地基的樁土應(yīng)力比研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文雙向增強(qiáng)體復(fù)合地基的樁土應(yīng)力比研究姓名：王熹申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：巖土工程指導(dǎo)教師：鄭俊杰20070601IIAbstractThecompositefoundationmethodhasbeenextensivelyusedathomeabroadinthepastdecades.Thebiaxiallyreinfcedcompositefoundationmethodhasbeenmeappliedingr

2、oundtreatmentbutthemechanismdesigntheyhasseldomstudied.Thisthesisdealswiththepilesoilstressratioofbiaxiallyreinfcedcompositefoundation(pilesupptedgeosyntheticsreinfoecedembankment).Firstlythestressesofgeogridinpilesuppte

3、dgeogridreinfcedcompositefoundationwereanalyzed.Thegeogridcoveringfourpileswastakenasasimplemodeltheconstituentofstresseswasdiscussedtheanalyticsolutionofgeogridstresswasobtained.Theinfluenceofallparametersongeogridstres

4、seswasinvestigated.Thefollowingconclusionsweredrawn:thestressesofgeogridincreasewhenthevaluesoftensilestrengthofgeogridgEthemaximumsettlementmSunitweightofembankmentsoilγtheequaliventheightofembankmentHincreasedecreasewh

5、enthepilespacinglincreasessomesuggestionsweremade.Secondlythepilesoilstressratiohadbeenstudied.Thecompositesoilmasswithintheinfluencescopeofsinglepilewastakenasasimplemodeltheassumptionthatthegeosyntheticsabovethesoilbet

6、weenpilesdefmedasaparaboloidaftertheloadingoftheoverlyingsoilwasmade.Aftertakingtheactionofthegeosyntheticstothepiletopintoaccountbyestablishingtheglobalequilibriumequationtheanalyticsolutionofthepilesoilstressratioofpil

7、esupptedgeosyntheticsreinfcedcompositefoundationwasobtained.Theinfluenceofallparametersonthepilesoilstressratiowasanalyzedthefollowingconclusionshadbeendrawn:thepilesoilstressratioincreaseswhenthepilespacinglthemaximumse