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高烈度区高层隔震结构抗拉处理方法研究
引用本文:吴从晓,;赖伟山,;周云,;吴从永,;邓雪松.高烈度区高层隔震结构抗拉处理方法研究[J].地震学刊,2014(5):577-582.
作者姓名:吴从晓  ;赖伟山  ;周云  ;吴从永  ;邓雪松
作者单位:[1]广州大学土木工程学院,广州510006; [2]广州大学建筑设计研究院,广州510405
基金项目:国家自然科学基金项目(51208128); 广东省自然科学基金团队项目(8351009101000001); 广东省高等学校科技创新项目(2013KJCX0145)资助
摘    要:介绍了高层隔震结构抗倾覆计算方法,提出了高烈度区高层隔震结构抗拉处理方法,给出了其在ETABS软件中的模拟方法。通过实例对高烈度区高层非隔震结构和隔震结构的不同模型进行了动力时程分析。分析结果表明:各隔震结构模型周期基本相同,说明抗拉处理方法模拟是可行的;对于高烈度区高层隔震结构,当隔震支座出现拉力时,直接采用软件的单元进行模拟是不够合理的,应采用组合单元进行模拟;抗拉装置能较好地发挥抗拉的效果,避免隔震支座出现受拉情况。

关 键 词:高层结构  隔震支座  抗拉装置

Study on Tension Processing Method of Isolated Tall Building Structures in High Seismic Regions
Institution:WU Cong-xiao , LAI Wei-shan , ZHOU Yun , WU Cong-yong , DENG Xue-song (1. School o{ Civil Engineering, Guangzhou University, Guangzhou 510006, China; 2. Architecture Design Institute, Guangzhou University, Guangzhou 510405, China)
Abstract:Overturning resistant method of the high-level isolation structure is introduced and the corresponding tension processing method concerning the isolation structure in the high seismic regions is put forward. The implementation of the presented method is achieved in the software ETABS. Dynamic timehistory analyses on models of non-isolated and isolated high-level structures in the high seismic regions are carried out based on practical engineering. It is indicated that the tension processing method is feasible for the fundamental period of these different isolated models behaves similarly in the test. Moreover,in high seismic regions,it's recommended to use composited element in the software ETABS because it's unreasonable to use the common element directly when the isolated bearings are tensioned. Tensile device can show good tension resistance in avoiding the tension in isolation bearings.
Keywords:high-level building structure  isolation bearing  tensile device
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