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底板高承压水体上采煤的关键是确保在采动影响下底板岩层不突水.针对平禹一矿13091高承压水底板,采用直流电法三极探测技术对工作面两巷底板进行了探测,并对探测结果中存在的明显低阻异常区进行了详细分析,指出了工作面有突水可能性区域.据此提出了注浆改造深度、工作面加固范围等注浆加固底板的技术参数,并形成了一套适合本矿的注浆加固底板施工工艺.
The key to coal mining on the high confined water of the floor is to ensure that the floor rock does not bursting water under the influence of mining.Aiming at the 13091 high-pressure water floor in Pingyu Mine, the method of three-pole DC And the obvious low resistivity anomalous zone existing in the exploration result has been analyzed in detail, and the possibility of water inrush in the work face has been pointed out.According to the above, the technology of grouting to reinforce the floor, such as the depth of grouting alteration and the reinforcement range of working face, Parameters, and formed a set for the mine grouting reinforced floor construction technology.