锚网索梯支护是锚杆、锚索、塑料网、金属梯形梁或W钢带联合支护,共同支撑煤巷顶板的一种新型混合支护技术,它的作用原理就是利用锚网索梯支护强化和提高巷道顶板一定范围岩层的抗剪压能力,形成强化承压拱,抵抗巷道围岩变形,达到支撑维护巷道的目的。其具体作用就是通过对顶锚杆在一定预紧力作用下进行端锚,使端锚范围内的复合岩层在锚杆的弹性压缩下形成组合梁,同时利用锚固于稳定岩层中的锚索对给合梁在一定预紧力作用下进行悬吊,进一步增强组合梁的支护强度。
针对急倾斜煤层巷道支护现状,在试验巷道探索采用锚网索支护技术。
According with the supporting status quo of steeply inclined seam roadway, in experimental laneway the application of Bolt-mesh-anchor support system was explored.
介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。
This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.
同时,实施锚网索耦合支护的深部回采巷道能够满足巷道掘进与工作面回采期间的稳定性控制要求。
The gateway with bolt-net-anchor coupling support can meet the requirements of the stability control during gateway excavation and coal extraction.
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