問(wèn)題PHC樁工程特性研究.pdf

1、浙江大學(xué)建工學(xué)院碩士學(xué)位論文問(wèn)題PHC樁工程特性研究姓名：楊宗奇申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：巖土工程指導(dǎo)教師：朱向榮王娟娣20080612浙江大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTPHCpile，asitsfullnameispretensionedspunhighstregthconcretepile，isanewkindofprefabricatedpileappearedafewyearsbeforeComparedtoot

2、herkindsofpiles，thiskindofpile’SconstructioniseasierfastersaferandcheaperSoitiswidelyappliedinandabroadAsitsappliedinourcountryofafewyears，ithasgotahugebenefitAndithasalsoappearedmanyproblemsAtpresent，thestudyfortheprobl

3、emPHCpileisverylittle，anditisalmostthesummarizationoftheengineeringexperienceSo，ifwecanfullyunderstandingitsbearingpropertyitwillbeagreathelpforthedisposalandreuseoftheproblemPHCpileFirstlythisthesisintroducesthetheoryba

4、sesofthisthesisItmainlyincludes：thefiniteelementmethod(FEM)softwareABAQUS，linearelasticitymodel，MohrCoulombplasticitymodel，concretedamagedplasticitymodel，andthecellsfornumericalanalysisThen，thisthesisgeneralizesthepresen

5、tapplicationconditionofNingboareaAndintroducetheusualproblemduringthePHCpile’SapplicationItalmostincludessuchinstance：thepileissloping；thepileisbroken；thepilecan’tgettheleveldesignedbefore；thepilehasbeendrivenup；thepile’

6、Stoporthepile’Sotherpartissplitting；thepileitselfisdirointed，andSOonAndthisthesisalsointroducesthereasonfortheproblemandthewaysofdisposalThisthesisespeciallyrecommendstwodisposalmethodsforbrokenPHCpile：rectif!icationjoin

7、ingmethodandhighpressuregroutingmethodAfterthat，accordingtOtheengineeringpractice，theengineeringpropertyoftheslopingPHCpileisanalyzedBasedonthenumericalanalysis，whenthePHCpileissloped，itwillinfluencethepile’Ssettlementli

8、ttleButhorizontaldisplacementofthepilewillincreasewhenthepiletop’ShorizontaldisplacementincreasesSo，whenthePHCpileissloped，undertheverticalload，itwillemergeagreathorizontalloadtothesoilarounditAnditalsomaypushthepilesaro

9、undittobebrokenFinallaccordinthegineerinI9racticeFinallyaccordingtotheenglneermgpracticetOO，theengineeringpropertyofthebroken，PHCpileisanalyzedThebearingcapacityofthebrokenpartisanalyzedfirstlyAccordingtothat，thisthesist

10、alksaboutthereasonablelengthofthecoreandgetafewofconclusionsThen。thisthesisanalysestheengineeringpropertyofthereinforcedbrokenPHCpilewhenthepileisverticalandhorizontalThisthesisalsoanalysesitsbearingcapacityunderhorizont