矿井工作面底板水害综合防治技术

Comprehensive Prevention and Control Technology of Floor Water Disaster in Mine Working Face

摘要: 唐家会煤矿主采6煤层工作面底板存在导水断层数量多、隐伏导水构造发育显著以及奥陶系灰岩含水层水害防治难度大等问题。为消除61305工作面底板奥灰水威胁，依据实际地质与水文地质条件，制定了“井下物探超前探查、井下钻孔综合注浆治理、底板注浆效果音频电透视二次检测”的综合技术路线。通过整合多源静态、动态及实时数据，实现地质要素与钻探物探数据的可视化、透明化。建立了煤层底板水害全时空防治体系，在带压开采条件下实现了水害的精细探查、靶向治理、效果验证，实际应用成效显著。

Abstract: There are many problems in the floor of the working face of the main mining 6 coal seam in Tangjiahui Coal Mine, such as the large number of water-conducting faults, the significant development of hidden water-conducting structures and the difficulty in preventing and controlling water disasters in the Ordovician limestone aquifer. In order to eliminate the threat of Ordovician limestone water in the floor of 61305 working face, according to the actual geological and hydrogeological conditions, a comprehensive technical route of “advanced exploration of underground geophysical prospecting, comprehensive grouting treatment of underground boreholes, and secondary detection of audio electric perspective of floor grouting effect” was formulated. By integrating multi-source static, dynamic and real-time data, the visualization and transparency of geological elements and drilling geophysical data are realized. A full-time and space-time prevention and control system for water damage on the coal seam floor has been established. Under the condition of mining under pressure, the fine exploration, targeted treatment and effect verification of water damage are realized, and the practical application effect is remarkable.