Three groups of experiments have been designed so as to analyze the confining pressure effect of rock under the action of cyclical impact loading.

• 为研究岩石循环冲击荷载作用下损伤的围压效应,对大理岩试件在压力试验机上进行模拟冲击加载,测试受冲击后试件轴向超声波波速。