建筑幕墙地震作用机理及多模式再现试验方法
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摘要
分析了建筑玻璃幕墙受到由主体结构传来的楼层加速度、层间位移变形等地震作用机理,提出了应用模拟地震振动台再现多维地震作用的多模式加载试验方法.针对某吊挂式玻璃幕墙支承结构特点,设计和制作了安装在振动台上的多模式加载装置,实现对该玻璃幕墙的多维加速度动力加载、平面内相对位移及吊杆内力的多模式加载,验证了该方法的有效性和可行性.最后,对应用混合模拟方法研究建筑玻璃幕墙抗震性能进行了探讨.
The seismic action mechanism of the architectural glass curtain wall,including floor acceleration and inter-story drift from main structure,was analyzed.Correspondently,a multi-modal loading test method with shaking table was proposed to reproduce the multi-dimensional seismic actions on the curtain wall simultaneously.To verify its validity and feasibility,an experiment,using a designed multi-modal loading device, was conducted to study the seismic performance of zonal hanging glass curtain wall on a complex high-rise building, which allowed for the synchronous realization of three-direction dynamic acceleration timehistory actions,step-by-step loading of horizontal drifts and internal forces of steel sag rods. Finally, the hybrid simulation for the seismic performance of glass curtain-walls was discussed.
The seismic action mechanism of the architectural glass curtain wall,including floor acceleration and inter-story drift from main structure,was analyzed.Correspondently,a multi-modal loading test method with shaking table was proposed to reproduce the multi-dimensional seismic actions on the curtain wall simultaneously.To verify its validity and feasibility,an experiment,using a designed multi-modal loading device, was conducted to study the seismic performance of zonal hanging glass curtain wall on a complex high-rise building, which allowed for the synchronous realization of three-direction dynamic acceleration timehistory actions,step-by-step loading of horizontal drifts and internal forces of steel sag rods. Finally, the hybrid simulation for the seismic performance of glass curtain-walls was discussed.
引文
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[12]Igusa T,Der Kiureghian A.Dynamic characterization of twodegree-of-freedom equipment-structure systems[J].Journal of Engineering Mechanics,1985,111(1):1.
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[14]邱法维.结构抗震实验方法进展[J].土木工程学报,2004(10):19.QIU Fawei.Development of seismic testing methods for structures[J].China Civil Engineering Journal,2004(10):19.
[15]Keiichi Tamura,Hiroshi Kobayashi.Real-time hybrid vibration experiments with a 2-degrees-of-freedom model[C]//Joint Meetings of the US-Japan Cooperative Program in Natural Resources Panel on Wind and Seismic Effects.Gaithersburg:National Institute of Standards and Technology Special Publication(NIST),1998:41-49.
[2]中国工程建设标准化协会.JGJ133—2001金属与石材幕墙工程技术规范[S].北京:中国建筑工业出版社,2001.China Engineering Construction Standardization Association.JGJ 133—2001 Technical code for metal and stone curtain walls engineering[S].Beijing:China Architecture&Building Press,2001.
[3]中国工程建设标准化协会.CECS 127:2001点支式玻璃幕墙工程技术规程[S].北京:中国工程建设标准化协会,2001.China Engineering Construction Standardization Association.CECS127:2001 Technical specification for point supported glass curtain wall[S].Beijing:China Engineering Construction Standardization Association,2001.
[4]卢文胜,黄宝锋,曹文清.建筑幕墙振动台试验方法研究[J].防灾减灾工程学报,2008(4):447.LU Wensheng,HUANG Baofeng,CAO Wenqing.Study on shaking table methods for vibration testing of architectural curtain-walls[J].Journal of Disater Prevention and Mitigation Engineering,2008(4):447.
[5]LU Wensheng,HUANG Baofeng,CHEN Shiming.analysis and experimental approaches on seismic performance of architectural curtain walls[C]//Center for Urban Earthquake Engineering Tokyo Institute of Technology.Tokyo:Tokyo Institute of Technology,2010:1299-1306.
[6]李世成,卢文胜,黄宝锋.某高层建筑吊挂式玻璃幕墙地震作用分析与验证[J].结构工程师,2013(1):76.LI Shicheng,LU Wensheng,HUANG Baofeng.Analysis and verification on earthquake actions to hanging glass curtain walls of a high-rise building[J].Structural Engineers,2013(1):76.
[7]黄宝锋,卢文胜,曹文清.建筑幕墙抗震性能指标探讨[J].土木工程学报,2009(9):7.HUANG Baofeng,LU Wensheng,CAO Wenqing.Discussion on the seismic performance indices of architectural curtain walls[J].China Civil Engineering Journal,2009(9):7.
[8]中华人民共和国国家标准.GB50011—2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.National Standards of the People’s Republic of China.GB50011—2010 Code for seismic design of buildings[S].Beijing:China Architecture&Building Press,2010.
[9]郝进锋,李艳秋,刘艳晖,等.基于建筑性能的非结构构件抗震设计研究[J].地震工程与工程振动,2006(3):63.HAO Jinfeng,LI Yanqiu,LIU Yanhui,et al.Study on earthquake-resistant design of nonstructural components on the basis of construction performance[J].Earthquake Engineering and Engineering Vibration,2006(3):63.
[10]Chaudhuri S R,Gupta V K.A response-based decoupling criterion for multiply-supported secondary systems[J].Earthquake Engineering&Structural Dynamics,2002(8):1541.
[11]Hadjian A H,Ellison B.Decoupling of secondary systems for seismic analysis[C]//ASME Pressure Vessel and Piping Conference.San Antonio:American Society of Mechanical Engineers,1984:78-85.
[12]Igusa T,Der Kiureghian A.Dynamic characterization of twodegree-of-freedom equipment-structure systems[J].Journal of Engineering Mechanics,1985,111(1):1.
[13]曹丽娜,卢文胜,黄宝锋,等.某高层建筑玻璃幕墙地震作用探讨[J].结构工程师,2010,26(6):142.CAO Lina,LU Wensheng,HUANG Baofeng,et al.Study on earthquake actions to glass curtain walls of a high-rise building[J].Structural Engineers,2010,26(6):142.
[14]邱法维.结构抗震实验方法进展[J].土木工程学报,2004(10):19.QIU Fawei.Development of seismic testing methods for structures[J].China Civil Engineering Journal,2004(10):19.
[15]Keiichi Tamura,Hiroshi Kobayashi.Real-time hybrid vibration experiments with a 2-degrees-of-freedom model[C]//Joint Meetings of the US-Japan Cooperative Program in Natural Resources Panel on Wind and Seismic Effects.Gaithersburg:National Institute of Standards and Technology Special Publication(NIST),1998:41-49.
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