地下结构抗震简化分析方法比较研究  

Comparative study of simplified methods for seismic analysis of underground structure

作　　者：许成顺[1] 许紫刚 杜修力[1] 李洋[1] 

机构地区：[1]北京工业大学城市与工程安全减灾教育部重点实验室,北京100124

出　　处：《地震工程与工程振动》2017年第2期65-80,共16页Earthquake Engineering and Engineering Dynamics

基　　金：国家自然科学基金重大研究计划(91215301);国家自然科学基金创新研究群体项目(51421005);教育部"创新团队发展计划"(IRT13044)~~

摘　　要：地下结构抗震是当今地震工程领域重要的研究方向之一。迄今,国内外学者在地下结构抗震分析中提出了解析方法、数值分析方法和简化分析方法等多种理论。本文系统介绍了目前国内外常见的地下结构抗震简化分析方法,包括地震系数法、自由场变形法、柔度系数法、反应位移法、反应加速度法和地下结构Pushover分析方法。针对各分析方法的计算模型、关键参数、优缺点以及存在的问题进行了较为系统的评述,采用这些方法计算了日本阪神地震中损毁的大开地铁车站地震反应,并与严格的动力时程分析方法结果进行了比较,分析了各种方法的计算精度,可为进一步发展和完善现有的地下结构抗震简化分析方法提供参考。Seismic analysis of underground structures has become an important research direction on earthquake en- gineering. Nowadays, many theories including analytical methods, numerical methods and simplified methods have been presented by domestic and foreign scholars. This paper introduced some common simplified methods for seis- mic analysis of underground structures in detail, including seismic coefficient method, free-field racking deforma- tion method, flexible coefficient method, response deformation method, response acceleration method and Pushover analysis method. A brief review of the calculation models, key parameters, advantages, disadvantages and existing problems for these mentioned methods was presented. The seismic response of Daikai subway station which was damaged during Kobe earthquake in Japan was analyzed based on these practical methods. Comparing with the re- suits of strict dynamic time history analysis method, the calculation accuracy of the practical methods was analyzed, which can provide the reference to develop and prefect the current common practical methods.

关 键 词：地下结构 地震系数法 自由场变形法 柔度系数法 反应位移法 反应加速度法 PUSHOVER分析方法 

分 类 号：P315.91[天文地球—地震学] TU35[天文地球—固体地球物理学]