碎石樁復合地基理論分析與試驗研究.pdf

1、湖南大學碩士學位論文碎石樁復合地基理論分析與試驗研究姓名：趙明申請學位級別：碩士專業(yè)：巖土工程指導教師：趙明華陳昌富2002.4.9——塑墮查堂堡主蘭堡堡苧Theoreticalanaylsisandtestresearchonrushedstonepilecompositefoundation(Abstract)ZhaoMingSupervisedbyProfZhaominghua&adjunctProfChenchangfuRush

2、edstonepilecompositefoundationhasbeenwidelyusedtotreatthesoftsoilintheconstructionbuilding、trafficcivilengineering、aerodromeengineering，portengineeringandetc，butthetheoryandpracticestudiesareunderdevelopingTheapplication

3、ofrushedstonepiletothetreatmentofsoftroadbedisstudiedbymeansoftheoreticalanalysisandfieldtestinthispaperFirstlythepropertyofthecompositefoundationunderloadisdiscussed，anewpileelementstress—strainmodelisestablishhedbycons

4、ideringthedifferentdeformationintheverticalandhorizontalandthepile—soilinteraction，asaresult，anewpilesoilstressratioexpressionisestablishedbasedontheVesicexpansivetheorySecondly，theapplicationoftheheavydynamicpenetration

5、andstaticloadtesttoinspectthecompositefoundationiSdiscussed，andthepatternofthechangeofthestressratiowasanalyzed，theresultsshowthatthemessureddataandthetheoreticalvalueareconsistentBasedonthefieldtest，theformulaforcalcula

6、tionofcompositefoundationbearingcapacityinthecriterionarerevised，andthereasonablemethodtodeterteminethecorrectioncoefficientiSalsodiscussedThevisualVBprogramisworkouttoanalyzethestressratio，andtheP一“curx7emethodtodetermi

7、nerushedstonepilecompositefoundationisproposedFinallythestraincomposedmethodtocalculatethesettlementofthecompositefoundationwasputforwardwhenthepile—soildeformationharmonyisdiscussedintheprocessofanalysisofdeformationmod

8、ulusThecomparisionbetweenexperimentalandanalytic—atresultsindicatesthatitismorereasonabletotakethestraindifferencebetweenpileandsoilintoaccount，andthetheoreticalanalysisaccordsfairlywellwithexperimentalresultsKeyword：rus