cfg桩褥垫层对复合地基作用影响的研究论文

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1、Thisarticlemainlyfromthethreeaspectsofresearch：(1)UsingofindoorsimulationtestofCFGpileworkingprinciple，usestaticloadexperimentalanalysisofdifferentcushionlayersonCFGpileeffect．Fromdifferentcushionthicknessofthesoilbetweenpilesundertheload，thepiletopstress，soilre

2、action，aswellasintheloadofpiletopsettlement，penetrationandotherparameterswereanalyzed，thedifferentcushionthicknessCFGpilecompositefoundationundertheactionmechanism．(2)Withreferencetoaspecificengineeringgeologicalcondition，usingthesimulationsoftwareofFLAC3DCFGpil

3、emechanism．Usingthesoftwaresimulationofthespecificresultsandtheexperimentalcomparison，verificationofthefeasibilityandaccuracyofindoortest，andmoreaccuratepresentedwithdifferentcushionthicknessontheCFGpilecompositefoundationtheruleoftheinfluence．(3)Incombinationwi

4、thBeijingoceanengineering，throughindoorexperimentandFLAC3DsimulationCFGpilemechanismtheconclusion，asenseofguidanceprojectCFGpilecompositefoundationdesign．Thetheoryanalysiscombinedwiththefieldtest，furtheranalysisofdifferentcushionthicknessontheCFGpileeffects，putf

5、orwardareasonableproposal．Ourcountryfoundationtreatmentwhileintheprocessofrapiddevelopment，butintheprocesstherearestillmanyconstraints，intheselectionoffoundationtreatmentmethod，firstofalltocorrectlyevaluatetheprocessingmethod，andthenaccordingtotheengineeringgeol

6、ogicalconditionsofrationalchoice．Inthispaper,throughtheindoortestandtheFLAC3DsoftwaretosimulateCFGpilecompositefoundationhopetoputforwardtheconstructionofadvantageousplan，combinetheorywithpractice，improvetheCFGtechnologyofcushionincompositefoundationtechnology,t

7、hemethodismoreperfect，givefullplaytotheadvantagesofCFGpile．Keywords：CFGpiles，cushion，foundationtreatment，actionmechanism目录1．绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．1地基处理方法．⋯⋯⋯⋯⋯⋯⋯⋯⋯．．⋯．⋯．⋯11．2CFG复合地基研究现状及存在的问题⋯⋯⋯⋯⋯⋯．．41．2．1研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．41．2．2本文研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯．42．CFG桩复合地基的加固机理⋯⋯⋯⋯⋯⋯⋯⋯．．62．1工程特性．．．．．．．⋯．．．．．⋯⋯⋯⋯．⋯．．⋯⋯．．．．．62．2CFG桩复合地基的加固机理⋯⋯⋯⋯⋯．．⋯⋯．．⋯72．2．1桩体的置换作用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．72．2．2褥垫层的作用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．72．2．3挤密作用