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地压问题,无论从理论或实践,都不是采矿工作者所遇到的新问题。地下开采矿山,随着开采深度的加大和开采范围的扩展,以及对采空区没有及时、有效地处理,以致一些开采时间较长的老矿山,如弓长岭铁矿、盘古山钨矿、锡矿山锑矿等,均先后发生了程度不同的灾害性地压问题,给安全和生产带来很大的威胁
Ground pressure problem, no matter from theory or practice, is not a new problem encountered by miners. Underground mining, with the mining depth and the expansion of the mining area, as well as the mined-out area is not timely and effective treatment, resulting in a number of long-mining mines, such as Gongchangling iron ore, Pangugunshan tungsten ore, Antimony mine in tin mine, etc., have occurred in different degrees of disastrous pressure problems, to the security and production of a great threat