资源描述:
《组合钢板剪力墙的抗震性能研究进展.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第12卷第2期建筑钢结构进展Vol.12No.22010年4月ProgressinSteelBuildingStructuresApr.2010组合钢板剪力墙的抗震性能研究进展123郝坤超,高辉,孙飞飞(1.中国京冶工程技术有限公司上海分公司,上海200043;2.中国西南建筑设计研究院有限公司,成都610081;3.同济大学土木工程防灾国家重点实验室,上海200092)摘要:组合钢板剪力墙是由钢板和混凝土板组成的新型抗侧力构件。本文介绍了组合墙的各种形式。总体上将组合墙分为单层钢板组合墙和双层钢板组合墙。前者可分为现浇混凝土组合墙和预制板组合墙,
2、后者有B-iSteel(双钢板)组合墙和双层压型钢板组合墙两种形式。本文对每种形式组合墙的抗震性能作了仔细讨论,重点回顾了预制板组合墙的改进措施,包括混凝土板边设缝、预制板设大孔径螺栓孔、采用低屈服点钢材、钢板开圆孔以及去除钢板与竖向边缘构件的连接,形成两边连接组合墙。还讨论了两边连接组合墙的改进方法,包括设置面外支撑、钢板开竖缝、大宽厚比开缝钢板和大高宽比Ñ型钢板。最后总结了组合墙的发展趋势。关键词:组合钢板剪力墙;抗震性能;滞回性能;改进中图分类号:TU398文献标识码:A文章编号:1671-9379(2010)02-0049-08Progre
3、ssinSeismicPerformanceofCompositeSteelPlateShearWalls123HAOKun-chao,GAOHui,SUNFei-fei(1.ShanghaiBranch,ChinaJingyeEngineeringCorporationLimited,Shanghai200043,China;2.ChinaSouthwestArchitecturalDesignandResearchInstituteLtd.,Chengdu610081,China;3.StateKeyLaboratoryforDisasterR
4、eductioninCivilEngineering,TongjiUniversity,Shanghai200092,China)HAOKun-chao:haokunchao@vip.163.comAbstract:Variousformsofcompositesteelplateshearwall(CSPW),whichisingeneralanew-typelateralbracingmembercomposedofsteelplateandconcretepanel,werereviewed.CSPWwascategorizedintotwo
5、entries:CPSWwithsinglesteelplateandCPSWwithdoublesteelplates.Eachonewasfurtherclassifiedastwosub-entries:cas-tin-placeCPSWandprecastCPSWfortheformeraswellasB-iSteelCSPWandprofileddoubleskinCSPWforthelatter.Seismicperformanceofeachformwasdiscussedindetail.Emphasiswasputoneffect
6、sofessentialmeasurestoimprovetheperformanceofprecastCSPW,includinggapbetweenreinforcedconcrete(RC)panelandboundarymembers,large-sizedboltholeinRCpanel,useoflowyieldpointsteelandlargeroundholesinsteelplateaswellasomissionoftheconnectionbetweensteelplateandverticalboundarymember
7、s,bywhichtwo-sidedCPSWwasnamed.Furtherinnovatedimprovementsforthetwo-sidedCSPWwerealsocovered,i.e.ou-to-fplanebracingfortheprecastRCpanels,verticalslitsinsteelplate,andlargeheigh-tto-widthratioofCSPWwithÑ-shapedsteelplateaswell.TrendinthedevelopmentofCSPWwassummarized.Keywords
8、:compositesteelplateshearwall;seismicperformance;hystereticbe