自复位防屈曲支撑钢框架的抗震性能分析 |
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引用本文: | 谭燕秋,王朋飞,霍立超,王帅.自复位防屈曲支撑钢框架的抗震性能分析[J].河北工程大学学报,2014,31(4):1-4. |
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作者姓名: | 谭燕秋 王朋飞 霍立超 王帅 |
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作者单位: | 河北工程大学土木工程学院,河北邯郸,056038 |
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摘 要: | 为了消除防屈曲支撑在强震后留有残余变形的弊端,本文针对一种新型支撑构件—自复位防屈曲支撑,通过有限元软件ANSYS对自复位防屈曲支撑钢框架、防屈曲支撑钢框架和钢框架进行罕遇地震作用下的抗震性能对比分析。结果表明,自复位防屈曲支撑钢框架的顶点位移、层间位移角、残余变形等地震响应均明显小于防屈曲支撑钢框架和钢框架,尤其在残余变形方面,自复位防屈曲支撑基本消除了结构的残余变形,具有良好的复位效果。
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关 键 词: | 自复位 防屈曲支撑 顶点位移 层间位移角 残余变形 |
收稿时间: | 8/5/2014 12:00:00 AM |
Analysis of the seismic performance of self-centeringbuckling-restrained brace steel frame |
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Authors: | TAN Yan-qiu WANG Peng-fei HUO Li-chao and WANG Shuai |
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Abstract: | In order to eliminate the disadvantages of the residual deformation of the buckling-restrainedbrace after the severe earthquake,this paper contraposes a new type of brace components-self-centering buckling-restrained brace and a comparative analysis of the seismic performance ofself-centering buckling-restrained brace steel frame,buckling-restrained brace steel frame andsteel frame is done by using general finite element software ANSYS.The results show that top displacement,inter-storey drift angle,residual deformation etc.of self-centering buckling-restrainedbrace steel frame are much smaller than buckling-restrained brace steel frame and steel frame.Especially in the aspect of residual deformation,self-centering buckling-restrained braces eliminatesmain residual deformations of structure,showing expected re-centering effect. |
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Keywords: | self-centering buckling-restrained brace top displacement inter-storey drift angle residual deformation |
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