Void fill techniques for stabilizing roof conditions during longwall recovery

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：kpqkxx03592

【摘要】

：

It has been proven that longwall faces can be moved safely and efficiently. However,abutment pressures and poor ground control conditions can halt operations an

【作者】

：

Oldham Robin Dickerson Craig M

【机构】

：

UndergroundCoal,BaileyMine

【出处】

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矿业科学技术学报：英文版

【发表日期】

：

2016年1期

【关键词】

：

综采技术稳定板条填补煤矿工人移动安全采煤工作面控制条件 Longwall miningLongwall recoveryVoid fillNon-

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It has been proven that longwall faces can be moved safely and efficiently. However,abutment pressures and poor ground control conditions can halt operations and be hazardous to coal miners. Recently at a mine in Southwestern Pennsylvania,roof material co

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Void fill techniques for stabilizing roof conditions during longwall recovery

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