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ID:36520238
大小:1.28 MB
页数:53页
时间:2019-05-11
《超大直径单桩群桩基础承载力性能研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、东南大学硕士学位论文超大直径单桩群桩基础承载力性能研究姓名:孙杰申请学位级别:硕士专业:岩土工程指导教师:龚维明20071201StudyonBearingBehaviorofSuperLargeDiameterSinglePileandGroupPileABSTRACTSupervisor:GONGWei·mingBeingpartofnationalscientifictechnologysupportproject(2006BAG04800)andtransportationscientifictechnologyp
2、rojectofJiangsuprovince(04Y029),thethesisstudiesonthebearingbehaviorofsuperlargediametersinglepileandgrouppilesbasedonStRongBridgeproject.BearingbehaviorofsuperlargediameterpileandloadtransfermechanismofsinglepileiSanalyzed.Thepresentloadtraitsfermethodsofpileshaf
3、tandpiletippresentedbysomescholarsaresummarized.Performancesoftheside-frictionresistanceandpiletipresistancehaVCbeenanalyzedbasedOnthepracticaldata.Nonlinearrelationshipsbetweenside.frictionresistanceandpileshaftdisplacementandbctwcerlpiletipresistanceandpiletipdi
4、splacementhavebeendrawn.Di腩rentialequationofpileload-settlementrelationshipandanumericaIiterationmethodfurdetermininghyperbolicmodeJofIoad-settlementrelationshipofasinglepilearedevelopedconsideringthepile—soilinteraction.Acomputerprogramiscompiledtoanalyzeparamete
5、rsinthismethod。bywhichcalculationsandconditionsfurusedoftheseparametersaregiven.Comparingwithresultsofifl-Sitestaticpiletestofactualengineering.themethodfurcalculatingthebearingcapacityofsuperlargediameterpileiscreditable.Bearingperformanceofmaincabletowerpilegrou
6、pfoundationofSutongBridgeisanalyzedbyusingmodifiedelasticitytheorymethod.ComparingwithresultsofCentrifugalModelTest,themethodfuranalyzingbearingperformanceofsuperlargediameterpilegroupiscreditable.Modifiedhyperbolicmodelofload—settlementrelationshipofasinglepileha
7、sbeendevelopedtopilegroups,bywhichcalculationsfurusedoftheseparametersaregiven.Keywords:superlargediameter,loadtransferfunction,numericalsimulation,elasticitytheory,equivalentpierⅡ东南大学学位论文独创性声明本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知,除了文中特别加以标注和致谢的地方外,论文中不包含其他人已
8、经发表或撰写过的研究成果,也不包含为获得东南大学或其它教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均己在论文中作了明确的说明并表示了谢意。研究生签名:盘。丝:日期:——东南大学学位论文使用授权声明东南大学、中国科学技术信息研究所、国家图书馆有权保留本人所送交学位论文的复印
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