混凝土框架结构典型震害分析
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摘要
在对近几年国内外地震中房屋震害调查发现,"强梁弱柱"是造成多数建筑物局部破坏乃至整体倒塌的主要破坏机制,这违背了抗震规范要求的"强柱弱梁"设计初衷.形成这种破坏机制的原因是多方面的,本文通过对已有资料的总结,分析了不同因素对混凝土框架结构发生"强柱弱梁"破坏现象的影响.
In recent years, building damage survey found that the earthquake at home and abroad, " strong beam weak column" is caused by partial destruction of most of the buildings and the overall collapse of the main failure mechanism, which is contrary to the seismic code requirements of " strong column- weak beam" designed. The reason for this failure mechanism is multifaceted, the paper summarizes the existing data, analyze the influence of different factors on the concrete frame structure "strong column- weak beam" damage phenomena.
In recent years, building damage survey found that the earthquake at home and abroad, " strong beam weak column" is caused by partial destruction of most of the buildings and the overall collapse of the main failure mechanism, which is contrary to the seismic code requirements of " strong column- weak beam" designed. The reason for this failure mechanism is multifaceted, the paper summarizes the existing data, analyze the influence of different factors on the concrete frame structure "strong column- weak beam" damage phenomena.
引文
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[2]公茂盛,杨永强,谢礼立.芦山7.0级地震中钢筋混凝土框架结构震害分析[J].地震工程与工程振动,2013,33(3):20-26.
[3]中日联合考察团,周福霖,崔鸿超,安部重孝,吕西林,孙玉平,李振宝,李爱群,冯德民,李英民,薛松涛,包联进.东日本大地震灾害考察报告[J].建筑结构,2012,42(4):8-11.
[4]张维斌.土耳其Erzincan地震震害分析[J].工程抗震,1997(1):47-48.
[5]陈纯森.台湾集集大地震高层建筑倒塌破坏与混凝土施工之探讨[J].建筑结构,2012,32(1):41-45.
[6]徐锡伟,陈桂华,于贵华,程佳,谭锡斌,朱艾斓,闻学泽.芦山地震发震构造及其与汶川地震关系讨论[J].地学前缘,2013,20(3):11-20.
[7]李宏男,刘志刚.伊朗Ardekul地震震害考察[J].工程抗震,1998,27(3):39-43.
[8]混凝土结构设计规范(GB50010-2010)[S].北京:中国建筑工业出版社,2010.
[9]CEN.European Prestandard Eurocode 8:Design provision for earthquake resistance of structures[S].Brussels:1994.
[10]ACI.Building Code Requirement for Structual Concrete(ACI318-02)and Commentary(ACI318-02)[S].American Concrete Institute,2002,35(12):55-78.
[11]闫红霞.楼板和填充墙对RC框架结构抗震性能的影响[D].北京,北京交通大学,2012.
[12]刘恢先.唐山大地震震害[M].北京:地震出版社,1986:15-20.
[13]阳波.钢筋混凝土框架结构“强柱弱梁”机制影响因素研究[D].长沙:湖南大学,2012.
[14]蒋永生.整浇梁板的框架节点抗震研究[J].建筑结构学报,1994(12):11-16.
[15]建筑抗震设计规范(GB50011-2010)[S].北京:中国建筑工业出版社,2010.
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