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高烈度区某超限框架-剪力墙结构中震性能控制
苏毅1,2,徐丹1,李爱群2,鲁风勇2,张元平3
摘 要

(1 南京林业大学土木工程学院, 南京 210037; 2 东南大学抗震设计研究中心, 南京 210096; 3 海南省建筑设计院, 海口 570000)

[摘要]以高烈度区某超限框架-剪力墙结构为例,根据超高和复杂程度确定结构具体的抗震性能目标。探讨中震分析时地震动参数的正确取值;对竖向构件进行小震弹性、中震不屈服和中震弹性分析,并将内力结果进行对比;探讨并确定最小剪重比和竖向构件在水平力作用下的拉应力限值。分别对剪力墙、框架柱、连梁和框架梁等构件运用量化的方式阐明其在中震下的受力状态,结果表明结构能满足预定的抗震性能目标。

[关键词]超限框架-剪力墙结构; 中震性能设计;性能状态

中图分类号:TU317-9文献标识码:A文章编号:1002-848X(2017)03-0068-05

 

Performance control of an out-of-code frame-shear wall structure under fortification 

earthquake in high seismic intensity region

Su Yi1,2, Xu Dan1, Li Aiqun2, Lu Fengyong2, Zhang Yuanping3

(1 School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China; 

2 Seismic Design Research  Center of Southeast University, Nanjing 210096, China; 

3 Hainan Provincial Architectural Design Institute, Haikou 570000, China)

Abstract:Taking a frame-shear wall structure in a high seismic intensity region as an example, the specific seismic performance targets of the structure were determined according to the height and the complexity. The right value of the ground motion parameter in the fortification seismic analysis was discussed. The elastic analysis under frequent earthquake, non-yielding analysis under fortification earthquake and elastic analysis under fortification earthquake on the vertical components were conducted, and internal force results were compared. The minimum shear weight ratio and the tensile stress limit of vertical members under horizontal force were discussed and determined. The stress conditions of the shear wall, frame column, coupling beam and frame beam components under fortification earthquake were clarified using a quantitative way. The results show that the structure can meet the predetermined seismic performance targets.

Keywords:out-of-code frame-shear wall structure; performance design under fortification earthquake; performance status

 

作者简介:苏毅,博士,副教授,Email:suyi@njfu.edu.cn。

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