梁北矿“三软”“双突”煤层5m大采高液压支架选型Lectotype Design of Powered Support with5m Mining Height for"Soft Roof , Soft Coaland Soft Floor"Coal Seam with Coal and Gas Bursting Liability in Liangbei Colliery
孟二存;
摘要(Abstract):
梁北矿为双突矿井,煤层为典型"三软"煤层(顶软、煤软、底软)。通过对煤层具体分析,采用两柱大采高掩护式液压支架,在液压支架结构上采用伸缩梁和抬底结构,解决了煤壁片帮和支架扎底的难题。
关键词(KeyWords): 双突;掩护式;伸缩梁;片帮
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作者(Author): 孟二存;
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