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采用黄泥浆与碎煤组成的混合料在淮南李一矿厚煤层倾斜分层走向长壁采煤法后退式超前掘进巷道中进行巷旁支护沿空留巷 ,通过现场观测表明 ,该项技术可行。所采用的巷旁支护材料可就地取材 ,成本低 ,巷旁支护操作简便 ,支护质量易于保证。扼要介绍巷旁支护材料及支护工艺 ,以及巷旁支护沿空留巷效果。
The mixture of yellow mud and broken coal is used to carry out gob-side entry retaining roadway in the advanced mining roadway with longwall coal mining method in the thick coal seam of Lianyi Mine in Huainan. The field observation shows that this technique is feasible . The roadside support material used can be taken locally, the cost is low, roadside support easy to operate, support quality is easy to guarantee. Brief introduction of roadside support materials and support technology, as well as laneway retaining effect of gob-side entry.