动强度曲线显示循环应力比与循环剪切破坏次数的对数基本呈直线关系。
The dynamic strength curve indicates that there is basically a linear relationship between the cyclic stress ratio and the logarithm of the cyclic number required at failure.
随着径向循环应力比的增加，土体的动强度降低。
It also can be observed that the dynamic strength decreases significantly as radial cyclic stress ratio increases.
在地震破裂扩展方向上，动应力变化量可以比相反方向高出一个数量级。
The dynamic stress at the extension direction of earthquake rupture can be one order larger than that in the opposite direction.
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