针对张集矿开采高瓦斯三软厚煤层的极复杂地质和技术条件,结合倾斜长壁和大采高采煤法特点,开展地质条件保障系统、采煤方法、围岩控制理论与技术、工作面瓦斯综合治理技术、矿井生产系统可靠性及工作面参数优化综合技术研究,实现了高瓦斯三软厚煤层应用倾斜长壁大采高的安全高产高效。
According to the ultra complicated geological and technical conditions of the high cutting mining in high gassy seam with soft roof,soft seam and soft floor,in the combination with the features of the inclined longwall and high cutting mining method,a study on the geological condition protection system,coal mining method,surrounding rock control theory and technology,comprehensive mining face gas control technology,reliability of the mine production system,and the mining face parameter optimization was cond...