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ID:36505597
大小:1.99 MB
页数:76页
时间:2019-05-11
《大直径钢管混凝土本构关系的研究与应用》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、分类号!型!!坠!密级单位代码10618学号03260101重庆交通大学硕士学位论文论文题目:大直径钢管混凝土本构关系的研究与应用TheAnalysisandAppfieafionofLarge—DiameterConcrete—FilledSteelTubeConstitutiveRelafionship研究生姓名:导师姓名、职称申请学位级别专业名称:论文答辩日期王志慧桥梁与隧道工程2006年4月12日学位授予单位:重庆交通大学答辩委员会主席:李正良教授评阅人:李正良教授周志祥教授2006年4月10日摘要ABSTRACTAlong谢t11theapplicati
2、onofconcrete-fiUedsteeltubestructurecontinuouslyextensiveitstheoriesresearchalsoatcontinuousdevelopment,thenewlyarisencombinationmaterial’sconstitutionrehtionshiphasbeenthehotpointofresearch.Throughtheresearchandtheoriesanalysisofsteel’sconstitutionrelationship,incrementtheorywasusedi
3、nsteadoftotaltheoryandsimplificationofstraightlinemodelinthephageofplasticofsteel.Throughtheresearchofconstitutionrelationshipofcore-concrete,curveofeachmodelunderthesar/reconditionwasgotandtheinfluencewhichcausedbydifferentparameterwasgottothemodel.Aimattheresearchpurpose,fourmembers
4、ofconcrete—filledsteeltubeweredesignedandcreatedwhichweredifferentdiametersanddifferentsteelration.Themodelandtheparameterthatneedtoberevisedwasselectedinthebaseofexperimentana/ysis.Theconstitutionrelationshipofcore-concretewhichintheconditionofaxialloadedandsuitedforbigdiameterconcre
5、tl.‘一filledsteeltubewasgotthroughrevisingtheparameter.Theconclusionofconcrete—filledsteeltube’sstressgradientchanginginsectionsintheconditionofeccentricallyloadedthroughtheoreticalanalysiswasgot.thestressgradientchangingwasdescribedbytheinfluentialcoefficientofcasinghoopsteelcoefficie
6、nt,fourmembersofconcrete-filledsteeltubeweredesignedandcreatedwhichweredifferentdin-metersanddifferenteccentricityration./nthebaseofexperimentalanalysis,thegradientinfluencecoefflcientisdetermined.Anewconcrete-filledsteeltube’score-concreteconst—itutionrelationshipwhichintheconditiono
7、feccentricallyloadedisdetermined.Usetheconstitutionrelationshipofcore·concretethatintroducedinthispaper,theconcrete—filledsteeltubesupportingcapacitywhichintheconditionofaxialloadedwasgotbyANSYSsoftware.Usetheconstitutionrelationshipofcore—concretethatintroducedinthispaper,concrete—fi
8、lleds
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