Outburst control technology for rapid excavation in severe outburst coal

被引：0
|
作者：
QU Yang (Department of Mining Engineering
机构：
来源：
International Journal of Coal Science & Technology | 2010年 / 01期
关键词：
mechanism of outburst prevention; outburst prevention measure; rapid excavation; hydraulic extrusion; water injection;
D O I：
暂无
中图分类号：
TD823.82 [];
学科分类号：
081901 ;
摘要：
The advantages and disadvantages of various outburst prevention measures inheading face were analyzed.The mechanism of outburst prevention about hydraulic extrusionmeasure was studied, the technological parameters were introduced, and the effectof outburst prevention was investigated.The in-situ experimental results show that thehydraulic extrusion measures are applied in serious outburst mine, not only the stress ofstimulate outburst is eliminated effectively but also the gas in coal seam is released efficiently,the measures get obvious effect on coal and gas outburst prevention, and theroadway driving speed is increased by 1.5 times, implementing a safe and rapid excavation.
引用
收藏
页码：53 / 56
页数：4
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