In this paper,ultrasonic simulation method has been applied to study seismic waves affected by Karst zone in limestone of North China coalfield.

• 应用地震波超声模拟方法，研究了华北型煤田的煤系底部奥灰岩岩溶发育带对地震波的响应特征，为地震勘探技术应用于矿井台水提供了依据。