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1、中山大學碩士學位論文交通荷載作用下飽和軟粘土的孔壓特性研究姓名:趙廣輝申請學位級別:碩士專業(yè):巖土工程指導教師:湯連生20090610中山人學碩士學位論文PoREPRESSURECHARACTEIUSTICoFSATURATEDSoFTCLAYUNDERTRAFFICLoADSM旬or:GeotecllIlicalEngineeringN鋤e:ZhaoGuang—huiSupervisorProfessor:TangLian-shengABSTRACTSoRclayisageneraltemofaclayWhichiso仆i班watercontent,voidratio
2、,a11dlowshear,hi班compression,lowpe肌eabili夠,hi曲sensitivit)r.SoRclayanditscompouIldfIouIldationundrainedconditionsstudyundercyclicloading,including、eanhquakeloading,waVeloading,打amcload,etc.haVebeenaimportanttopic—W脅therapiddeVelopmentofeconomy,morehi曲·risebuildingalargenumberofhighwaycons
3、tmction,andtheralpiddevelopmentofoa’shoreplatfomsinsoRclayarealeadtomanynewgeotecllllicalengineeringproblems,moreoVer,inmallycases,theyresultingreatdisastersbecauseofmlknowntothemoVingloadofsoRclay.Themainfactorthatinnuencesmedyn鋤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艦mcloadingthrou曲themodelsimulationtestsa11dprotot),pemonitoringtests.(2)obtaillingthec啪ulatiVecharacteristicsa11dthelawofdeVelopmentofporewaterpressu】reiIlsubgradesoRsoilundertra伍cloadi
8、ngthroughtlledata鋤alysisoflII交通荷載作用下飽和軟粘n十的孔壓特性研究趙廣輝modelsimulationtestsandprototypemonitoringtestsandtheanalysisofpreviousstudiesonstaticsanddynamicstriaxialtest.(3)gettingtherelationshipsbetween△u::,/(1一u二一1),fⅣ一l/孑Ⅳ一landthenumberofcyclicloading(N)basedonIshibashiandShe