【摘要】 结合工程概况,针对顾桥煤矿主井箕斗装载硐室断面大、围岩松软及施工顺序多变等特点,提出采用“锚网喷+锚索”和钢筋混凝土综合支护的施工方案,并对其施工过程及支护技术进行了介绍,为类似矿山工程的建设提供了参考。更多还原

【Abstract】 Combined with general engineering situations and characteristics of the works such as large section,soft surrounding rock and varied construction orders the construction of loading chamber of main shaft in Guqiao coalmine is introduced.Construction scheme combined bloting,shotcrete net and reinforcement concrete is presented.In the end construction process and supporting technique are introduced in order to provide references for similar works.更多还原