建筑结构

2013, v.43;No.355(07) 1-4+72

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新抗震规范中抗震性能设计参考方法探讨
Discussion on performance-based seismic design reference method in new seismic code

马恺泽;梁兴文;刘伯权;
Ma Kaize1,Liang Xingwen2,Liu Boquan1(1 School of Architecture Engineering,Chang′an University,Xi′an 710064,China; 2 School of Civil Engineering,Xi′an University of Architecture and Technology,Xi′an 710055,China)

摘要(Abstract):

以20层剪力墙结构为例,采用《建筑抗震设计规范》(GB 50011—2010)推荐的"建筑抗震性能设计"参考方法,按不同的性能要求分别对剪力墙和连梁构件的承载力以及整体结构的层间位移进行了验算。结果表明:如欲满足性能1和性能2抗震设计的承载力以及侧向变形的要求,会导致墙、梁构件的配筋量和截面尺寸急剧增加,不符合经济合理的设计原则;在罕遇地震下性能2的性能目标和承载力要求偏低。
The 20-storey reinforcement concrete shear wall building was taken as an example,which was designed by performance-based seismic design method in Code for seismic design of buildings(GB 50011—2010).The bearing capacity of beams and shear walls as well as the storey drift were calculated according to different performance requirements.When the bearing capacity requirements of the first and second performance levels are satisfied,the section dimensions and reinforcing bars quantity of the beams and shear walls increase sharply,which can not conform to the economic and rational design principles.The performance target and bearing capacity is low for second performance level under the rare earthquake.

关键词(KeyWords): 抗震性能设计;性能指标;剪力墙结构;承载力;层间位移
performance-based seismic design;performance index;shear wall structure;bearing capacity;storey drift

Abstract:

Keywords:

基金项目(Foundation): 中国博士后科研基金项目(2012M511958);; 国家自然科学基金资助项目(51078305,51078037)

作者(Author): 马恺泽;梁兴文;刘伯权;
Ma Kaize1,Liang Xingwen2,Liu Boquan1(1 School of Architecture Engineering,Chang′an University,Xi′an 710064,China; 2 School of Civil Engineering,Xi′an University of Architecture and Technology,Xi′an 710055,China)

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DOI: 10.19701/j.jzjg.2013.07.001

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