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ID:32446009
大小:1.02 MB
页数:7页
时间:2019-02-04
《钢框架内填预制钢筋混凝土剪力墙试验研究》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、学兔兔www.xuetutu.com第35卷第1期JournalofCivil.土Arc木hit建ect筑ura与l&环E境nvir工on程mentalEngineeringV01.35No.12O13年2月Feb.2O13doi:10.3969/j.issn.1674—4764.2013.01.011钢框架内填预制钢筋混凝土剪力墙试验研究赵伟,童根树。,周观根。,吴冲(1.同济大学土木.7-程学院,上海200092;2.浙江大学建筑工程学院,杭州310027;3.浙江东南网架股份有限公司,杭州311209;4.浙江交通职业技术学院,杭州31111
2、2)摘要:为改进钢框架内填预制钢筋混凝土剪力墙的抗震性能,将耳板装置引入钢框架与内填墙的连接中。通过2个2层单跨钢框架内填预制钢筋混凝土剪力墙1/3模型试件的循环荷载试验,考察耳板连接装置的可靠性和内填墙裂缝的开展与结构变形能力,分析结构的破坏机理、滞回性能、刚度退化、变形及延性等,并对钢框架内填预制混凝土剪力墙体系与现浇混凝土剪力墙体系和带竖缝混凝土剪力墙体系进行对比。研究结果表明:抗剪连接件(U形筋)在梁柱节点上下耳板的帮助下未发生破坏,耳板连接装置具有可靠的工作性能;合理设计的钢框架内填预制钢筋混凝土剪力墙结构具有良好的延性。关键词:预制剪力
3、墙;钢框架;滞回性能;试验研究中图分类号:TU375.4文献标志码:文章编号:1674—4764(2013)01—0063~07ExperimentalInvestigationofSteelFrameswithInfillPrefabricatedReinforce-ConcreteShearWallsZhaoWei,TongGenshu,ZhouGuangen。,WuChong(1.CollegeofCivilEngineering,TongjiUniversity,Shanghai200092,P.R.China;2.CollegeofCiv
4、ilEngineering,ZhejiangUniversity,Hangzhou310027,P.R.China;3.ZhejiangSoutheastSpaceFrameCo.,Ltd.,Hangzhou311209,P.R.China;4.ZhejiangInstituteofCommunications,Hangzhou311112,P.R.China)Abstract:Inordertoimproveseismicperformanceofsteelframewithprefabricatedreinforce—concreteinfil
5、lshearwalls(SFCW),theearbardevicewasusedintheconnectionbetweenthesteelframeandtheinfillwal1.Twoone—bay,tWOstoryandone—thirdscaledmodelsofSFCWweretestedwithlowcyclicload.Theworkingperformanceofearbarconnection,thecracksdevelopmentininfillwailsanddeformationperformanceofSFCWwere
6、investigated.Andthefailuremode,hystereticbehavior,stiffnessdegradation,deformationandductilityandenergydissipationofcompositestructurewereanalyzed.Thecomparisonstudyofsteelframewithprefabricated,cast—in—placeandsiltreinforce—concreteinfillshearwallswascarriedout.Theresultsshow
7、thatnofailureoccursintheconnectionbetweenthesteelframeandtheinfillwallbecauseearplatesbelowandupthebeam—to—columnconnectionsareaddedinthespecimens,andtheconnectiondeviceofearplatepresentsgoodworkingperformance.TheproperlydesignedSFCWhasgoodductility.Keywords:prefabricatedshear
8、walls;steelframes;hystereticbehavior;experimentalstudy收稿日期:20
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