在用钢筋混凝土衬板的金属拱形支架支护《多尔然大井》585米水平的运送人员和物料干线、运输机干线巷道,井底车场巷道和风井井筒以及《伏罗希洛夫格勒》1号矿井L′.煤层通风和运输大巷时,采用了喷射混凝土和注浆加固空间.首先,在掘进巷道时支设有钢筋混凝土衬板的拱形金属支架. At the 585-meter level of “Dole Ranger” with metal arched supports for reinforced concrete linings, the trunk and main conveyors, the main roadway for conveyors, the roadway and shaft at the bottom of the well and the “Voroshilovgrad” No. 1 mine L '.When the coal seam ventilation and transportation of the roadway, the use of sprayed concrete and grouting reinforcement space.First, in the roadway tunnel with arched metal stent reinforced concrete lining.