某高层建筑玻璃幕墙地震作用探讨
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摘要
通过分析某高层建筑结构在7度多遇地震下楼层反应谱探讨玻璃幕墙的地震作用。对各楼层反应谱进行适当包络,得到考虑不同阻尼比的楼层设计反应谱,并拟合了楼层地震影响系数曲线,可用于考虑幕墙自身自振周期、阻尼比的地震作用。提出了该高层建筑不同区域、不同安装状态时,垂直于幕墙平面的分布水平地震作用标准值和平行于玻璃幕墙平面的集中水平地震作用标准值计算公式,并且探讨了大跨度幕墙基于位移的地震输入。研究成果可供实际工程设计参考。
The earthquake actions to glass curtain walls of a high-rise building were studied through obtaining floor acceleration response spectra based on the analysis of floor seismic response under frequent earthquake at 7 degree seismic fortification intensity.The design floor seismic response spectra were rationally enveloped over the floor acceleration response spectrum curves with different damping ratios.The curves of floor seismic effect coefficients were created and suitable for the earthquake response of glass curtain walls with varies natural periods and damping ratios.The calculation formulations for earthquake actions in and out of plane of glass curtain walls on different portions with different mounting statues were put forward,and the earthquake actions to large-span curtain walls based on deformation responses were also investigated.The results can be used for reference to compatible projects.
The earthquake actions to glass curtain walls of a high-rise building were studied through obtaining floor acceleration response spectra based on the analysis of floor seismic response under frequent earthquake at 7 degree seismic fortification intensity.The design floor seismic response spectra were rationally enveloped over the floor acceleration response spectrum curves with different damping ratios.The curves of floor seismic effect coefficients were created and suitable for the earthquake response of glass curtain walls with varies natural periods and damping ratios.The calculation formulations for earthquake actions in and out of plane of glass curtain walls on different portions with different mounting statues were put forward,and the earthquake actions to large-span curtain walls based on deformation responses were also investigated.The results can be used for reference to compatible projects.
引文
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[2]中国建筑科学研究院.JGJ 102—96玻璃幕墙工程技术规范[S].北京:中国建筑工业出版社,1996.China Academy of Building Research.JGJ 102—96Techniacal code for glass curtain wall engineering[S].Beijing:China Architecture&Building Press,1996.(in Chinese)
[3]中国建筑科学研究院.JGJ 102—2003玻璃幕墙工程技术规范[S].北京:中国建筑工业出版社,2003.China Academy of Building Research.JGJ 102—2003 Techniacal code for glass curtain wallengineering[S].Beijing:China Architecture&Building Press,2003.(in Chinese)
[4]中华人民共和国建设部.GB 50011—2001建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.The Ministry of Construction of the People’s Repubicof China.GB 50011—2001 Code for seismic designof buildings[S].Beijing:China Architecture&Building Press,2001.(in Chinese)
[5]卢文胜,黄宝峰,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,2008,28(4):447-452.Lu W S,Huang B F,Cao W Q.Study on shaking tablemethods for vibration testing of architectural curtain-walls[J].Journal of Disaster Prevention andMitigation Engineering,2008,28(4):447-452.(inChinese)
[6]卢文胜,曹文清,杜芳.幕墙抗震性能检验方法探讨[J].结构工程师,2001(1):16-19.Lu W S,Cao W Q,Du F.Discussion on the evaluationof seismic resistance of curtain wall[J].StructuralEngineers,2001(1):16-19.(in Chinese)
[7]张其林.玻璃幕墙结构设计[M].上海:同济大学出版社,2007.Zhang Q L.Design of Glass-Curtain Walls[M].Shanghai:Tongji University Press,2007.(inChinese)
[8]李爱群,高振世.工程结构抗震设计[M].北京:中国建筑工业出版社,2006.Li A Q,Gao Z S.Seismic Design of Structure[M].Beijing:China Architecture&Building Press,2006.(in Chinese)
[9]施卫星,徐磊.玻璃幕墙地震作用研究[C]∥第15届全国高层建筑结构学术交流会,1998.Shi W X,Xu L.Study on the Earthquake Actions toGlass Curtain Walls[C]∥The 15thNational Symposiumon Tall Buildings,1998.(in Chinese)
[10]黄宝峰,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,2009,42(9):7-12.Huang B F,Lu W S,Cao W Q.Discussion on theseismic performance indices of architectural curtainwalls[J].China Civil Engineering Journal,2009,42(9):7-12.(in Chinese)
[11]Eduardo Miranda,Shahram Taghavi.Approximate FloorAcceleration Demands in Multistory Buildings.Ⅰ:Formulation[J].Journal of Structure Engineering,2005,131(2):203-212.
[12]Richard A Behr,P E,F ASCE.Design of ArchitecturalGlazing to Resist Earthquakes[J].Journal ofArchitectural Engineering,2006,12(3):122-129.
[2]中国建筑科学研究院.JGJ 102—96玻璃幕墙工程技术规范[S].北京:中国建筑工业出版社,1996.China Academy of Building Research.JGJ 102—96Techniacal code for glass curtain wall engineering[S].Beijing:China Architecture&Building Press,1996.(in Chinese)
[3]中国建筑科学研究院.JGJ 102—2003玻璃幕墙工程技术规范[S].北京:中国建筑工业出版社,2003.China Academy of Building Research.JGJ 102—2003 Techniacal code for glass curtain wallengineering[S].Beijing:China Architecture&Building Press,2003.(in Chinese)
[4]中华人民共和国建设部.GB 50011—2001建筑抗震设计规范[S].北京:中国建筑工业出版社,2001.The Ministry of Construction of the People’s Repubicof China.GB 50011—2001 Code for seismic designof buildings[S].Beijing:China Architecture&Building Press,2001.(in Chinese)
[5]卢文胜,黄宝峰,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,2008,28(4):447-452.Lu W S,Huang B F,Cao W Q.Study on shaking tablemethods for vibration testing of architectural curtain-walls[J].Journal of Disaster Prevention andMitigation Engineering,2008,28(4):447-452.(inChinese)
[6]卢文胜,曹文清,杜芳.幕墙抗震性能检验方法探讨[J].结构工程师,2001(1):16-19.Lu W S,Cao W Q,Du F.Discussion on the evaluationof seismic resistance of curtain wall[J].StructuralEngineers,2001(1):16-19.(in Chinese)
[7]张其林.玻璃幕墙结构设计[M].上海:同济大学出版社,2007.Zhang Q L.Design of Glass-Curtain Walls[M].Shanghai:Tongji University Press,2007.(inChinese)
[8]李爱群,高振世.工程结构抗震设计[M].北京:中国建筑工业出版社,2006.Li A Q,Gao Z S.Seismic Design of Structure[M].Beijing:China Architecture&Building Press,2006.(in Chinese)
[9]施卫星,徐磊.玻璃幕墙地震作用研究[C]∥第15届全国高层建筑结构学术交流会,1998.Shi W X,Xu L.Study on the Earthquake Actions toGlass Curtain Walls[C]∥The 15thNational Symposiumon Tall Buildings,1998.(in Chinese)
[10]黄宝峰,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,2009,42(9):7-12.Huang B F,Lu W S,Cao W Q.Discussion on theseismic performance indices of architectural curtainwalls[J].China Civil Engineering Journal,2009,42(9):7-12.(in Chinese)
[11]Eduardo Miranda,Shahram Taghavi.Approximate FloorAcceleration Demands in Multistory Buildings.Ⅰ:Formulation[J].Journal of Structure Engineering,2005,131(2):203-212.
[12]Richard A Behr,P E,F ASCE.Design of ArchitecturalGlazing to Resist Earthquakes[J].Journal ofArchitectural Engineering,2006,12(3):122-129.
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