基于增量动力分析的超高层混合结构地震易损性分析
发布时间：2018-08-19 07:42
【摘要】：在增量动力分析的基础上,结合地震易损性分析,提出了基于增量动力分析的超高层混合结构地震易损性分析方法,该方法可以从概率角度定量评估该类工程结构的抗震性能。以设计的某50层超高层混合结构为算例,采用上述方法对该结构进行地震易损性分析,依据指定不同强度地震作用下各极限状态的结构地震易损性概率,评定该结构的抗震性能。结果表明:该超高层混合结构在7度多遇地震作用下,处于正常使用和基本可使用状态;在7度设防地震作用下,处于基本可使用和修复后使用状态;在7度罕遇地震作用下,处于修复后使用和生命安全状态。该结构基本满足“小震不坏、中震可修、大震不倒”的抗震要求,具有良好的抗震性能。
[Abstract]:On the basis of incremental dynamic analysis and combined with seismic vulnerability analysis, a seismic vulnerability analysis method for super-tall hybrid structures based on incremental dynamic analysis is proposed. This method can quantitatively evaluate the seismic performance of this kind of engineering structures from the point of view of probability. Taking the design of a 50-story super-tall hybrid structure as an example, the seismic vulnerability of the structure is analyzed by using the above method. According to the probability of seismic vulnerability of each limit state of the structure under the specified earthquake intensity, The seismic performance of the structure is evaluated. The results show that the super high-rise hybrid structure is in normal use and basically usable state under the action of 7 degree earthquake; under the action of 7 degree fortification earthquake, it is basically usable and repaired; under the action of 7 degree rare earthquake, the structure is in the state of using and repairing, and under the action of rare earthquake of 7 degree, In post-repair and life safe condition. The structure basically meets the requirements of "small earthquake is not bad, medium earthquake can be repaired, large earthquake can not collapse", and has good seismic performance.
【作者单位】： 中国地震局工程力学研究所;中国地震局地震工程与工程振动重点实验室;广东省建筑设计研究院;
【分类号】：TU973.14;;TU311.2
[Abstract]:On the basis of incremental dynamic analysis and combined with seismic vulnerability analysis, a seismic vulnerability analysis method for super-tall hybrid structures based on incremental dynamic analysis is proposed. This method can quantitatively evaluate the seismic performance of this kind of engineering structures from the point of view of probability. Taking the design of a 50-story super-tall hybrid structure as an example, the seismic vulnerability of the structure is analyzed by using the above method. According to the probability of seismic vulnerability of each limit state of the structure under the specified earthquake intensity, The seismic performance of the structure is evaluated. The results show that the super high-rise hybrid structure is in normal use and basically usable state under the action of 7 degree earthquake; under the action of 7 degree fortification earthquake, it is basically usable and repaired; under the action of 7 degree rare earthquake, the structure is in the state of using and repairing, and under the action of rare earthquake of 7 degree, In post-repair and life safe condition. The structure basically meets the requirements of "small earthquake is not bad, medium earthquake can be repaired, large earthquake can not collapse", and has good seismic performance.
【作者单位】： 中国地震局工程力学研究所;中国地震局地震工程与工程振动重点实验室;广东省建筑设计研究院;
【分类号】：TU973.14;;TU311.2
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