路堤下pcc樁復(fù)合地基群樁作用性狀研究

1、Y1030837灑浮大萼碩士學(xué)位論文路堤下PCC樁復(fù)合地基群樁作用性狀研究指導(dǎo)教師姓名：申請學(xué)位級別：論文提交日期：學(xué)位授予單位：王振芳到逯蘊(yùn)麴簍鯉漁太堂蚩王捏亟宜逝直立壹耍鏖路!曼王堂亟專業(yè)名稱：鲞工捏2QQ2生3旦!旦論文答辯日期：2QQ2生3旦2旦旦邐漁太堂學(xué)位授予日期：2QQ2生壘旦!三目答辯委員會(huì)主席：湛拯爰數(shù)援論文評閱人：壺玉蝰熬援塑窒量9熬攮中國南京2007年3月ABSTRACTThinwallpipepileusingc

2、ast—in—situconcrete(PCCpileinshort)techniqueisanewgroundimprovementtechnologydevelopedindependentlybyProcHanlongLIUetal，GeotechnicalInstituteofHohaiUniversityAsanewtypeofpile，ithasmanyadvantages，suchas，fastconstruction，e

3、conomizeconcreteandimprovesoilwithefficacyincreasethebearingcapacityandreducethesettlementofdeepsoftsoilManyresearchershavealreadyanalyzedthesimplePCCpilecompositefoundation，whilethemechanismandeffectofgroupPCCpilesisnot

4、clearinparticularundertheroadembankmentinthehighwayThestudyislaunchedtoaddresstheconceptandmechanismofPCCgrouppilescompositefoundationFollowingarethemainworksfulfilled1Introducedifferentexperimentsandconceptmethodsforthe

5、rigidpilecompositefoundation；comparetheresultbyusingasmallexample，ThePCCpilecompositefoundationdesigncanmakeuseoftheseconclusions2BasedonthefieldtestresultsofShanghaiXINWEIexpresswayanalyzethePCCpilegroupeffectwiththedif

6、ferentheightofroadembankmentandpilespacingThePCCpilegroupcoefficientcanbecalculatedbythemethodofYangkeyiinconsideringtheinfluenceofsoilloadbetweentwopiles3UsetheFiniteElementsoftware(ABAQUS)tosimulatethePCCpilegroupeffec

7、tbyvaryingtheparameterssuchasthecushionYong’Smodule，pilelength，pilespacingetcKeywords：roadembankmentrigidpilecompositefoundationPCCpilegroupeffectFEMstimulationThisworkwassupportedbytheNationalNaturalScienceFoundationofC