我国统配煤矿绝大部分是用立井开拓方式进行开采。在很多矿区,开采引起岩层及地表移动造成的损害不仅仅发生在地表,同时也对立井井筒及其采矿设施产生损害。这种损害现象随开采深度增加日趋 The vast majority of coal mines in our country are exploited by means of vertical well excavation. In many mines, the damage caused by the rock and surface movement caused by the mining has not only occurred on the surface but also damaged the shaft and its mining facilities. This damage is increasing with the exploitation depth