液化場地樁-土-高層結(jié)構(gòu)相互作用體系的振動臺試驗(yàn)及計(jì)算分析.pdf

1、同濟(jì)大學(xué)土木工程學(xué)院博士學(xué)位論文液化場地樁土高層結(jié)構(gòu)相互作用體系的振動臺試驗(yàn)及計(jì)算分析姓名：任紅梅申請學(xué)位級別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：呂西林李培振20090701AbstractAbstractEarthquakedamageindicatesthefoundationfailureduetosoilliquefactionoftenresultsincollapseofstructuresSomuchattentionhasbe

2、enattractedforsoilliquefactionAtpresent，theresearchonthesoilliquefactionismainlyconcernedonbridgerailwayoilaelineunderlroundndonTheeffectofsoibridgerailwayptpelineundergroundstructureandSOonlieelIectol，，，Iliquefactionont

3、hetallbuildingisseldomreporteduptonowHoweveLsomecomplexbuildingshavebeenbuiltwiththerapiddevelopmentofdomesticeconomicEspeciallyforthetallbuildingbuiltonliquefiablefoundationinseismiczone，lotsofcomplextheoreticalandpract

4、iceproblemsneedtobesolvedOnthebasisoftheabovebackground，theseismicperformancestudyofthepilesoilsuperstructureinteraction(PSSI)systemconsideringsoilliquefactioniscarriedoutInthisdissertation，shakingtabletestsandnumericalc

5、alculationmethodareadoptedSomemainachievementsofthisdissertationaledescribedasfollows1Basedonlotsof1iteratures，theoreticalmethods，testmethodsandexistingquestionsofthestudyonPSSIsysteminliquefiablesitearesummarizedandcomm

6、ented2ShakingtablemodeltestsonPSSIsystemarecarriedoutconsideringbothsimilitudesimulationandsoilboundarysimulationThetestsadoptedsaturatedsandsoilcoveredbyclayonsurfaceasfoundationsoil，12storyreinforcedconcreteframeassupe

7、rstructure，3x3grouppilefoundationasfoundationFreefieldtests，PSSIsystemtestswithdifferentpilelengthandrigidfoundationtests，total4kindsofshakingtabletestshavebeensuccessfullydoneSomephenomenaofseismicdamagearereproducedand

8、datasetisobtainedinthetests3Throughanalysisontheresultsofshakingtablemodeltests，seismicresponsecharacteristicsofPSSIarestudiedindetailTlleyincludedynamiccharacteristicofPSSIsystem，accelerationresponse，changeofporewaterpr