余吾煤业高应力软岩顶板下巷道强力锚杆支护技术

    Roadway Strength Bolting Supporting Technology under High Stress and Soft Rock Roof of Yuwu Coal Industry

    • 摘要: 针对余吾煤业高应力软岩顶板下巷道支护困难的现状,提出采用高预应力强力锚杆支护系统。介绍支护设计原则,设计支护方案,并在2#横贯进行了工业性试验。试验结果表明:采用该联合方案,有效的控制巷道围岩变形,提高了围岩稳定性。

       

      Abstract: Aiming at the difficulty of roadway supporting under high stress and soft rock roof of Yuwu coal industry,the system of high prestress strength bolt supporting is proposed.The principle of supporting design and design scheme are introduced,and the industrial test is carried out in the 2# traverse.The results show that using the combination regimen,the deformation of surrounding rock is controlled effectively and the stability of surrounding rock is also improved.

       

    /

    返回文章
    返回