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中文摘要：
基于土的等价刚性,采用日本大型有限元软件TDAPⅢ对处于土层刚度差异较大的隧道结构的横断面进行抗震性能分析.着重讨论了结构重要构件的弯矩曲率反应,分析比较响应震度法和时程分析法的结构反应,验证隧道结构静力分析方法的适用范围.结果表明在土的剪切应变极小的情况下,静力分析方法作为隧道结构的抗震分析方法是能够满足设计要求和安全保证的.
英文摘要：
Based on soil equivalent stiffness,the Japanese finite element software called TDAP III is used.Seismic analysis of a transverse section of a tunnel where the soil has a large difference in stiffness is made by finite element dynamic analysis method in this paper.The moment and curvature response of the important part of the side wall is analyzed.This article analyzes the result of pseudo-static method and history analysis method,verifies the applying rang of static analysis of tunnel structures.The results show that in the case of minimal shear strain the static analysis meets the design requirements and safety assurance.
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