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枣矿集团新安煤业公司12216材料巷是一个采用留窄煤(岩)柱沿空送巷技术开采的综采工作面,其回采巷道沿煤层底板掘进。文章介绍这种典型的半煤岩巷道在沿空送巷时的支护实践,并对巷道维护的影响因素和支护效果进行了分析。
Xinan Coal Company of Zaozhuang Mining Group 12216 Material Lane is a fully mechanized coal mining face using the technique of narrowing coal (rock) along the roadway to carry out roadway. The mining roadway is driven along the coal seam floor. This paper introduces the supporting practice of this typical semi - coal rock roadway when heading along the roadway and analyzes the influencing factors of roadway maintenance and the supporting effect.