Aimed at the characteristic of discreteness of the coal sample, pulse-penetrating method is used to measure the acoustic wave speed and the strength test is finished on MTS815.

• 采用超声脉冲穿透法测量煤样波速并进行岩石力学试验,回归分析得出了煤岩试件声速与其力学参数之间的关系式,为尽可能避免因煤样离散性而带来的盲目试验提供了一条技术途径。