交通荷载作用下饱和软粘土的孔压特性研究

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1、中山大学硕士学位论文交通荷载作用下饱和软粘土的孔压特性研究姓名：赵广辉申请学位级别：硕士专业：岩土工程指导教师：汤连生20090610中山人学硕士学位论文PoREPRESSURECHARACTEIUSTICoFSATURATEDSoFTCLAYUNDERTRAFFICLoADSM旬or：GeotecllIlicalEngineeringN锄e：ZhaoGuang—huiSupervisorProfessor：TangLian-shengABSTRACTSoRclayisageneraltemofaclayWhichiso仆i班watercontent，voidratio

2、，a11dlowshear，hi班compression，lowpe肌eabili够，hi曲sensitivit)r．SoRclayanditscompouIldfIouIldationundrainedconditionsstudyundercyclicloading，including、eanhquakeloading，waVeloading，打amcload，etc．haVebeenaimportanttopic—W胁therapiddeVelopmentofeconomy，morehi曲·risebuildingalargenumberofhighwaycons

3、tmction，andtheralpiddevelopmentofoa’shoreplatfomsinsoRclayarealeadtomanynewgeotecllllicalengineeringproblems，moreoVer，inmallycases，theyresultingreatdisastersbecauseofmlknowntothemoVingloadofsoRclay．Themainfactorthatinnuencesmedyn锄icresponseofsaturatedsoRclayistheincreaseofporewaterpressu

4、re．Therefore，inordertoexaCtlydescribethecharactersofmesaturatedsoRclayunderthetraf!Eicloading，indoormodeltestsandin—siteinsitumonitoringofthepilotweretakenintllispaper．IntIlisp印er，throu曲modelsimulationteStandon-sitemonitoringoftheprototypetestandtheoreticalanalysisu11derdif．ferentcyclicl

5、oadingconditions，IhaVedonetllestudyonthepressu】recu

6、nulatiVepropertyofoVer-staticporewaterand“slawofdeVelopment，aIldexplorethereasonssub伊adesoRsoilresultingincumulatiVecharacteristicsundercyclicmoVingloadinganditsprimar)ref．fectfactors．TherearesomeconclusionsintllispaperaSfollowingaSpect

7、s：(1)gettingthepreciousdataofporewaterpressureemerging，deVelopment，andc啪ulationi11subgradesoRsoiluIlder舰mcloadingthrou曲themodelsimulationtestsa11dprotot)，pemonitoringtests．(2)obtaillingthec啪ulatiVecharacteristicsa11dthelawofdeVelopmentofporewaterpressu】reiIlsubgradesoRsoilundertra伍cloadi

8、ngthroughtlledata锄alysisoflII交通荷载作用下饱和软粘n十的孔压特性研究赵广辉modelsimulationtestsandprototypemonitoringtestsandtheanalysisofpreviousstudiesonstaticsanddynamicstriaxialtest．(3)gettingtherelationshipsbetween△u：：，／(1一u二一1)，fⅣ一l／孑Ⅳ一landthenumberofcyclicloading(N)basedonIshibashiandShe