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机构地区:[1]皖北煤电集团公司百善矿,安徽淮北235154
出 处:《江西煤炭科技》2012年第2期28-30,共3页Jiangxi Coal Science & Technology
摘 要:通过对FC635工作面的分析,优化设计,选取合理的巷道断面;注浆,改变顶板岩性结构;根据遗煤厚度,实行分装分运;改变支护形式,提高整体稳定性使FC635工作面回采取得良好经济效益。Based on the analysis of FC635 selected to grout and change lithologic str was changed according to the left--over mining of FC635 working face to obtain b working face and optimization design, reasonable roadway section was ucture of roof. Partial shipment was carried out and supporting form coal thickness, which improved the overall stability and enabled the etter economic benefits
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