飽和軟土中靜力觸探貫入機理與應(yīng)用研究.pdf

1、廣東工業(yè)大學(xué)碩士學(xué)位論文飽和軟土中靜力觸探貫入機理與應(yīng)用研究姓名：邱成君申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：李彰明20070501￡奎三些奎蘭三莖堡圭莖堡絲三ABSTI認CTWithengineeringconstructiondeveloping，theconepenetrationtesttechniqueispaidmoreandmoreattentionsandthemechanismofpenetrationtestte

2、chniqueanditsapplicationareresearchedmorethoroughlythanbeforeIt’SaflexibleandreliableinsuittestIthasbeenappliedtomanyfieldsandhasagoodprospectSincethedistributionofthecontactstressbetweentheprobeandthesurroundingsoil，and

3、thecorrespondingsoildeformationproblemcannotbeexplainedbythetheoriesofthesoilmechanics，choosingthecorrespondingapproximatetheoriesfordifferentgeologicconditionandsoillayercircumstancetoresearchthemechanismofpenetrationte

4、sttechniqueanditsapplicationwillhaveveryimportanttheoreticalsignificanceandpracticalvalueThisthesisfirstlyintroducesthedevelopmentofthemechanismofpenetrationtesttechniqueThen，itintroducesseveralmethods’development，theran

5、geofapplication，andtheiradvantagesandthedisadvantages，includingthecapacitytheory，cavityexpansionmethod，mixturetheory，strainpathmethod，finiteelementmethodBasedonthesetheories，thisthesismainlycompletedthefollowingresearchw

6、ork：1BasedonthecavityexpansionmethodandusingtheMohrCoulombstrengthstandardastheyieldcriterion，asimplificationanalysisonthepenetrationmechanismoftheconepenetrationtestinsaturatedclaysiscarried；theplasticzoneradiusandmaxsq

7、ueezingstressarepresentedThisthesisalsodeducesthetheoreticalcalculationformulasoftheprobetipresistanceandthelateralresistance。2ThefiniteelementmethodprogramANSYSandtheDruckerPragermodelareusedtosimulatetheprocessofcavity

8、expansioninSaturatedSoftClaysItcananalyzethestressstrainrelationsaboutconepenetrationtest3BasedontheprojectofsoftgroundtreatmentinGuangzhouNanshaTitanPetrochemicalArea，whichischargeofmytutoranddonebymyselKtheresultsobtai