在复杂构造动力作用下，地壳内一点的应力状态可视为两个、三个或多个应力状态的叠加。
The stress-states at a point in the earth's crust can be considered to be superposition of two, three or more stress-states, under complex tectonic dynamic action.
连续介质力学中关于一点应力状态的描述有多种方法：如二次曲面法和应力椭球法。
There are two main methods to describe the general state of stress at a point in Continuum Mechanics-Qudric Surface method and Ellipsoid method.
采用数值模拟方法，得出该基坑开挖支护过程中土体的应力状态分布变化情况及基坑周边某些点的位移变化情况。
The numerical simulation method is adopted to get the distribution of the soil stress and the displacement variety of some points during the excavating and supporting process.
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