反应谱法与时程分析法抗震分析对比
发布时间：2019-03-16 11:44
【摘要】：为了研究反应谱法与时程分析法的地震响应对比分析,采用ABAQUS有限元分析软件对多层钢框架结构中的一榀钢框架建立计算模型,比较反应谱法和时程分析法在多层钢框架下的结构顶层位移、最大层间位移、层间位移角和Mises应力值等地震响应.通过计算及模拟可知,由反应谱法得到的结构顶层位移是时程分析法的1.09倍,前者的最大层间位移及层间位移角是后者的1.07倍.结果表明,反应谱法和时程分析法在多层钢框架下的地震响应均符合规范要求,反应谱法计算的地震响应比时程分析法的地震响应大,反应谱法得到的地震响应偏于安全.分析结果为多层钢框架的抗震方法提供了理论支持.
[Abstract]:In order to study the comparative analysis of seismic response between response spectrum method and time-history analysis method, a calculation model of a steel frame in a multi-story steel frame structure is established by using ABAQUS finite element analysis software. The response spectrum method and time-history analysis method are used to compare the seismic responses of the top floor displacement, the maximum inter-story displacement, the interstory displacement angle and the Mises stress values of the multi-story steel frame under the condition of multi-story steel frame. Through calculation and simulation, it can be seen that the top displacement of the structure obtained by response spectrum method is 1.09 times of that of time-history analysis, and the maximum inter-story displacement and displacement angle of the former are 1.07 times of that of the latter. The results show that both the response spectrum method and the time-history analysis method meet the requirements of the code. The seismic response calculated by the response spectrum method is larger than that of the time-history analysis method, and the seismic response obtained by the response spectrum method is more safe than that obtained by the time-history analysis method. The analysis results provide theoretical support for aseismic method of multi-story steel frame.
【作者单位】： 沈阳工业大学建筑与土木工程学院;辽宁省住房和城乡建设厅建筑节能与建设科技发展中心;
【基金】：国家自然科学基金资助项目(111021181) 辽宁省教育厅基金资助项目(L2012030)
【分类号】：TU391;TU352.11
本文编号：2441277
[Abstract]:In order to study the comparative analysis of seismic response between response spectrum method and time-history analysis method, a calculation model of a steel frame in a multi-story steel frame structure is established by using ABAQUS finite element analysis software. The response spectrum method and time-history analysis method are used to compare the seismic responses of the top floor displacement, the maximum inter-story displacement, the interstory displacement angle and the Mises stress values of the multi-story steel frame under the condition of multi-story steel frame. Through calculation and simulation, it can be seen that the top displacement of the structure obtained by response spectrum method is 1.09 times of that of time-history analysis, and the maximum inter-story displacement and displacement angle of the former are 1.07 times of that of the latter. The results show that both the response spectrum method and the time-history analysis method meet the requirements of the code. The seismic response calculated by the response spectrum method is larger than that of the time-history analysis method, and the seismic response obtained by the response spectrum method is more safe than that obtained by the time-history analysis method. The analysis results provide theoretical support for aseismic method of multi-story steel frame.
【作者单位】： 沈阳工业大学建筑与土木工程学院;辽宁省住房和城乡建设厅建筑节能与建设科技发展中心;
【基金】：国家自然科学基金资助项目(111021181) 辽宁省教育厅基金资助项目(L2012030)
【分类号】：TU391;TU352.11
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