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本文介绍了深井开采中 ,高水平地应力、复合顶板下煤巷锚杆 (桁架 )支护设计 ,并通过对现场工业性试验 ,说明了预拉力锚杆 (桁架 )支护技术的适应性 ,对类似条件下的巷道支护有一定的参考意义
This paper introduces the support design of the bolt (truss) in coal mine gateway with high level of stress and compound roof in deep mining, and illustrates the adaptability of prestressed anchor (truss) support technology by field test, It has certain reference meaning to the roadway support under similar conditions