欢迎来到天天文库
浏览记录
ID:34747582
大小:352.24 KB
页数:16页
时间:2019-03-10
《Evaluation, Calibration, and Verification of a Reinforced Concrete BeamColumn Joint Model.pdf》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、Evaluation,Calibration,andVerificationofaReinforcedConcreteBeam–ColumnJointModel12NilanjanMitraandLauraN.LowesAbstract:Amodelforuseinsimulatingtheresponseofreinforcedconcreteinteriorbeamcolumnjointsisdevelopedandevaluatedusinganextensiveexperimentaldat
2、aset.ThismodelbuildsonpreviousworkbyLowesandAltoontashin2003,modifyingthepreviouslyproposedmodeltoimprovepredictionofresponseandextendtherangeofapplicability.First,anewelementformulationisproposedtoimprovesimulationofjointresponsemechanisms.Second,ane
3、wmethodforsimulatingtheshearstress-strainresponseofthejointcoreisdeveloped.Thismethodassumesjointshearistransferredthroughaconfinedconcretestrutandsimulatesstrengthlossduetoloadhistoryandjointdamagefollowingyieldingofbeamlongitudinalsteel.Third,modifica
4、tionsaremadetoenablebettersimulationofanchoragezoneresponse.Comparisonofsimulatedandobservedresponsehistoriesindicatesthatthenewmodelrepresentswellstiffnessandstrengthresponseparametersforjointswithawiderangeofdesignparameters.DOI:10.1061/ASCE0733-9
5、4452007133:1105CEDatabasesubjectheadings:Structuralanalysis;Nonlinearanalysis;Two-dimensionalanalysis;Concrete,reinforced;Earthquakeengineering;Finiteelements;Constitutivemodels;Joints;Beamcolumns.Introduction2003.Theexperimentaldataset,thenewmo
6、del,andacompari-sonofobservedandsimulatedresponseforjointsubassemblagesDatafromexperimentaltestingindicatethatreinforcedconcretearepresented.buildingbeamcolumnjointswithdetailingtypicalofmodernconstructionexhibitstiffnessandstrengthlossundersimulatede
7、arthquakeloadingandthatstiffnessandstrengthlossmaybeExperimentalDataSetsevereforjointswithdetailingtypicalofolderconstructionAnexperimentaldatasetincluding57buildingsubassemblageNoguchiandKashawazaki1992;OkaandShiohara1992;Parktestsfrom12investigatio
8、nsconductedaroundtheworldduringandRuitong1988;Otanietal.1984;DurraniandWight1982.thelast40yearswasassembledTable1.ThedatasetincludesAdditionally,evaluationofbuildingdamageresultingfromrecenttwo-dimensionalinteriorbuildingjointsub-assemblage
此文档下载收益归作者所有