深井高地压软岩巷道“锚网索喷”联合支护技术实践

摘要

软岩巷道支护一直是影响煤矿安全开采的重要技术问题，特别是在深井高地压软岩巷道中，矿压显现更为明显，支护也更为困难。皖北煤电集团祁东矿采用“锚网索喷”联合支护技术，确定出合理的支护工艺及支护参数，并对巷道表面位移量进行了监测，有效地控制了深井高地压软岩巷道的变形破坏，取得了较好的支护效果。%The support of soft rock roadway is always a key technical issue influencing the safe production in coal mines, especially in the soft rock roadway with high ground pressure in the deep mine, ground behaviors appeared clearly and the roadway support became more difficult. The combined support technology using “anchor mesh, cable and bolting shotcrete” was adopted in Qidong Mine of Wanbei Coal-Electricity Group Co. , Ltd. , rational supporting technique and parameters were determined, the displacement of the roadway surface was monitored, the deformation and damage of the soft rock roadway with high ground pressure in the deep mine was under effective control, and better support effect was achieved.