摘要
针对悦昌煤矿运输上山交岔点断面逐渐变大的现象,分析了运输上山与主斜井联巷交岔点大跨度巷道支护方案,提出采用锚网梁索联合U型钢支护加固巷道围岩的支护方法,并进行了参数设计。实践表明该支护方案对大跨度复合顶板支护有良好的安全技术效益。
According to the gradually increase of large span at bifurcation point of transportation up the mountain in inclined lane in Yuechang coal mine,the support method of anchor nets beam and joint with U steel cable to strengthen the surrounding rock was put forwarded and the parameter design was carried out.Practice shows that the support scheme of long span roof supporting have good composite safety technical efficiency.
出处
《中国煤炭》
北大核心
2011年第8期53-55,共3页
China Coal
