进行了井下巷道地震反应的弹塑性分析，探讨了地震力作用下巷道围岩应力状态的变化规律。
The elastic-plasticity numerical analysis of a tunnel model which subjected to earthquake waves loads is done to study the tunnel surrounding rock's dynamic stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
通过试验结果与应力场分析，讨论了不同应力状态参数下，金属材料韧性断裂形式的变化规律。
Through the analysis of test results and stress fields, the change of metal materials' ductile fracture mode with different stress condition parameters are discussed.
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