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大断面全煤巷道支护漳村煤矿杨仁顺，刘东伟０概述漳村煤矿巷道布置的主要特点之一是全部在煤层布置，其中６５％以上的采准巷道沿煤层底板掘进，巷内支护对象即煤体顶板。１９９０年漳村煤矿井巷支护状况为：刚性支架占采准巷道总长的９７．６％，其它支护方式仅占２．４...
Large Cross Section Full Coal Roadway Support Zhangcun Coal Mine Yang Renshun, Liu Dongwei 0 Summary One of the main characteristics of the laneway layout in Zhangcun Coal Mine is that all of them are arranged in the coal seam. More than 65% of the quasi-entry roadways are driven along the coal seam floor, Coal roof. In 1990, Zhangcun coal mine roadway support status as follows: rigid support accounted for 97.6% of the total length of the approved roadway, other support methods only accounted for 2.4 ...