应力和应变扰动的传播形式。比如，当炸药在土岩介质中爆炸时，其冲击压力以波动形式向四外传播，就是一种应力波。当应力与应变呈线性关系时，介质中传播的是弹性波；呈非线性关系时，为塑性波和冲击波。
从而可以得到应力波的传播速率。
利用应力波传播理论探讨了桩基质量检测问题。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
考虑了弹塑性应力波传播对屈曲的影响，建立了该问题横向扰动方程。
The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.
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