大佛寺矿40108综放工作面运输顺槽修复支护技术
Safety in Coal Mines(2013)
Abstract
大佛寺矿40108综放工作面运输顺槽由于受综放工作面回采动压和周期来压的影响,顺槽顶板产生较大的变形,顶板支护强度不足导致运输顺槽整体变形严重,影响了安全生产。根据运输顺槽围岩破坏规律研究结果完成了运输顺槽修复支护方案设计和现场实施。现场监测结果表明,运顺的支护修复方案合理有效,抑制了运输顺槽围岩的进一步变形破坏,达到了预期的效果,保证了工作面安全回采。
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Key words
monitoring,surrounding rock,fully mechanized caving face,failure law,repair,haulage gate,supporting scheme
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