Sandstone samples are selected by the compressive wave velocity and the shear wave velocity.
首先采用声波纵、横波测量方法，进行岩样筛选。
Wave amplitude decay in different ways by downward compressive wave and upward wave, the upward wave decay slower than the downward wave.
下行压缩波与上行波衰减规律不同，其中上行拉力波比下行波衰减快；上行压缩波比下行波衰减慢。
The wave absorbing properties and compressive properties of expanded polystyrene (EPS) filling cement composite materials were studied in this work.
对发泡聚苯乙烯(EPS)填充水泥基体复合材料的吸波性能与抗压性能进行了实验研究。
The relationship between uniaxial compressive strength and the velocity of longitudinal wave of concrete material with different grading is found through laboratory testing.
通过试验得出不同级配混凝土试样的纵波波速与其单轴抗压强度的关系。
Therefore, the compressive strength difference of lime-soils can only be evaluated based on the shear wave velocity.
因此，只有依据剪切波速才能评价各种条件下石灰改良土强度特性的差异。
Compressive faults occurred after principal earthquake with slow variation in propagation and release of stress wave, this might lead to higher after shock intensity and longer duration.
挤压型逆冲断层地震在主震之后，应力传播和释放过程比较缓慢，可能导致余震强度较大，持续时间较长。
Rapid vaporization of the surface produces a compressive shock wave which propagates into the material.
表面材料急剧气化，产生向材料内部传播的应力波。
The results show that, open-cellular al foams have a good shock weakening property, where the shock compressive stress weakens exponentially and the wave velocity weakens linearly with the distance.
结果表明：开孔泡沫铝具有良好的冲击衰减性能，使冲击波压力在其中呈指数关系衰减，而波速则随距离呈线性关系衰减。
The results show that, open-cellular al foams have a good shock weakening property, where the shock compressive stress weakens exponentially and the wave velocity weakens linearly with the distance.
结果表明：开孔泡沫铝具有良好的冲击衰减性能，使冲击波压力在其中呈指数关系衰减，而波速则随距离呈线性关系衰减。
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