Aiming at the key technical problems for coal mining along the neoproterozoic ,the high water filling material perform‐ance and high water filling process was studied ,and combined with the actual production conditions ,the industrial experiment a‐chieved good filling effect ,for economic and technical effect is remarkable ,which has the very high application value .%针对新元煤矿沿空留巷关键技术问题,对高水充填材料的性能及高水充填工艺进行了研究,并结合实际生产条件进行了工业试验,取得了良好的充填留巷效果,经济技术效果显著,具有很高的推广应用价值。
展开▼