经实践证明,锚带网(索)及点柱加强的综合支护技术在大断面大跨度巷道是可行的。
The Practice has proven that the blot (rope) and point-to strengthen the comprehensive support technology in large-span large section of the roadway is feasible.
介绍了回采巷道复合顶板条件下采用小直径管缝式锚杆加钢筋梯式组合网支护的原理、方法和取得的经济效果。
The paper introduced the principle and methods of supporting combined the slit wedge bolt in small diameter with steel reinforcement in roadway with compound roof, and obtained economic effects.
芦沟矿21采区下山通过采用U型钢-锚网支护,改善了巷道支护状况,取得了明显的技术经济效益。
Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.
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