Software development of rock mass stress state analysis is one of the important problems of the geo-dynamic division team's research.
开发岩体应力状态分析软件是地质动力区划课题研究工作的重要内容之一。
To the deep rock engineering, stress state of rock mass directly influences the stability of project.
对于深埋岩石工程，岩体的地应力状态直接关系到工程的稳定性。
The results indicate that it is essential to revise the bolt stress by using the formulas when rock mass is in plastic state.
结果显示，当岩体进入塑性、变形较大时，用推导公式对锚杆变形、应力进行修正是非常必要的。
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