CM復合樁基礎現(xiàn)場試驗仿真模擬及工程的沉降預測分析.pdf

1、天津大學碩士學位論文CM復合樁基礎現(xiàn)場試驗仿真模擬及工程的沉降預測分析姓名：寧少晨申請學位級別：碩士專業(yè)：水工結構工程指導教師：戚藍20070101ABSTRACTWiththedevelopmentofthesocietyandeconomyCMpilegroupsisthenewformofthefoundation，alsomanyproductionshavebeenacqukedTherefore，sincethefieldp

2、rototypetestofpilegroupsfoundationisnotbeenprocessedeasilythestudyofthebehaviorsofpilegroupsoftenmakesuseofthemodeltestinthelaboratoryAnditisdifficultforthelattertOaccuratelysimulatethepracticalstatus，SOtheresultisnotver

3、yperfectlyHowtousetheresultsfromthefieldexperimentationtoforcastactualprojectisaproblemthatneedtostudyThispaperhasreviewedsomefruitbyotherpeopleandsummarizethestateoftheartofCMpilegroupsBuildamodelofpilegroupsbyUsingfmit

4、eelementsoftwareANSYSonthebasisofCM4pilegroupsAccordingtotheactualproject，theANSYSmodel，whichisa3Dmodel，hasthesanlesize，coefficientofsoilstrata，restrictionandloadingpathGivinganalysisondisplacementandstressoflongpile，sho

5、rtpileandthesoilstrataBecausethedatafromANSYSisalmostthesamewiththemeasureddataitiSillustratedthatthemodelcanreflecttheactualprojectandalsoestablishafoundationforthenextworkOnbasisoftheresultofmodelthepaperanalyzedtheset

6、tlementbyusingGreymethodFindingtheruleofitandbuildafunctionoffoundationsettlementFinallythispaperbuildandanalyzea9pilegroups，andcomparethebehaviorsbetweenthe4pileand9pilegroupsThepaperfindtheinteriorlinkofdisplacementand

7、stressfordifferentpilesthroughthecomparisonTheresultofcomparisonshowsthatthetransformationtrendisalmostthesameunderunitloadThefunctionofsettlementcanbeuseto9pilegroupsSettlementforcasringhasbeendoneon9pilegroups，andtheva

8、lidityWasvalidatedbythecalculationresultof9pilemodelThereturlasshowsthatCMpilegroupscanbeusedinsoftfoundationWecangainthefunctionofsettlementfromprototypeexperimentandthefunctioncanbeusedinactualproject，whichhastherealva