靜力壓入樁承載力問題的研究

1、哈爾濱工程大學(xué)碩士學(xué)位論文靜力壓入樁承載力問題的研究姓名：徐傳峰申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：唐立強(qiáng)20090501哈爾濱丁程大學(xué)碩十學(xué)伊論文AbstractWiththerapiddevelopmentofcityinfrastructure，highbuildingsareincreasinganddenselythepilefoundationbecomesmainformofhi加buildingPeopleatta

2、chimportancetojackedpilebecauseofitsmeritofslightvibration，lownoiseandliRleinfluencetoenvironmentResearchonjacked—pilebearingcapacityisanimportantproblemtobesolvedinjacked—piledesignandconstruction，especiallyitswidelyusi

3、ngatZhejiang，Shanghai，Guangdongandothercoastalareawithwidersoftsoildistribution，whichmakesthisresearchhavingmoretheoreticalsignificanceandengineeringapplicationvalueAnalysisonjackedpilebearingcapacityisacomplexinteractio

4、nproblembetweenpileandlandbasedFortheprecastpileofthehigherpileintensityitsbearingcapacityismainlydependsonthesupportingforcefromthelandbasedBasedontheelasticplastictheoreticalanalysis，itisconsideredthatellipticconstitut

5、iveequationCandescribesoilmediumelasticplasticdeformationmechanismbetter；sphericalcavityexpansionmodelWasadoptedtosimulatethedeformationofcutting—edgesoilduringpiling，thencontrolequationsofmodelcalculationwereestablished

6、undertheellipticyieldcondition；thestressandthedisplacementfieldswereobtainedbythenumericalanalysisandthechanginglawsofthestressandthedisplacementwhichchangedwithpressuresensitivitycoefficientCtwerediscussed；thesliplinefi

7、eldsweregainedbytheplasticlimitanalysistheorywhenthepiletipWaspressedintothefoundationSolutionofthe—fieldsWascomposedbythreedistricts，thestressfieldsweregivenbythenumericalanalysismethodandthechanginglawsofthestresswhich