大断面煤巷巷宽效应及支护技术

Wide Effect and Support Technology of Large Cross Section Coal Roadway

随着我国经济的飞速发展,煤矿行业的开采规模也在逐渐扩大,其相关设备也向着大型化趋势发展,使得煤巷巷道的面积越来越大,然而,由于大多数煤巷巷道都需要布置在煤层中,并且煤层物理学性质相对较差,导致对围岩的控制增加了挑战性,通常巷道面积增大需要通过增加巷道宽度来实现,因此,巷宽成为大断面煤巷中能够控制矿压显现的重要因素,基于此,本文通过对大断面煤巷巷宽效应及支护技术进行分析,并结合实际案例进行阐述,希望能够为相关人员提供参考和借鉴。

With the rapid development of China’s economy,the mining scale of the coal industry is gradually expanding,the related equipment is also developing towards the large-scale trend,which makes the area of the coal roadway bigger and bigger.However,because most of the coal roadway need to be arranged in the coal seam,and the physical properties of the coal seam are relatively poor,as a result,the control of surrounding rock is more challenging.The increase of Roadway area is usually realized by increasing the width of roadway.Therefore,the width of roadway becomes an important factor that can control the strata behavior in large-section coal roadway,this paper analyzes the wide effect of large section coal roadway and support technology,and illustrates it with practical cases,hoping to provide reference for relevant personnel.