Analysis of main roof breaking form and its mechanism during first weighting in longwall face

来源 :Journal of Coal Science & Engineering(China) | 被引量 : 0次 | 上传用户：xf6088

【摘要】

：

By field observation and simulating test in shallow seam Iongwall mining, the asymmetry breaking of main roof is discovered during the first weighting. Based on

【作者】

：

黄庆享

【机构】

：

Dep.ofMiningEngineering

【出处】

：

Journal of Coal Science & Engineering(China)

【发表日期】

：

2001年1期

【关键词】

：

煤层长壁开采法顶板结构采场结构分析岩层控制 main roof first breaking asymmetry mechanism

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By field observation and simulating test in shallow seam Iongwall mining, the asymmetry breaking of main roof is discovered during the first weighting. Based on simulating model test and theoretical analysis, the mechanism of main roof first breaking is r

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Analysis of main roof breaking form and its mechanism during first weighting in longwall face

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