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煤矿生产实践表明:解放煤层留有较大面积的煤柱,就会发生煤与瓦斯突出,成为安全生产中的隐患。凡是采掘工作面进入煤柱影响区内,既影响工作面的生产能力,又要多占用劳动力和多耗材料。解放煤层的煤柱成为采区设计和生产技术管理不可忽视的问题。充分认识和严格掌握解放层煤柱影响范围和采用过煤柱防突出措施是防范突出的重要环节。
Practice shows that coal production: coal liberation left a large area of coal pillars, coal and gas outburst will occur, a safety hazard. All mining face into the coal pillar impact area, both affect the production capacity of the face, but also take up more labor and more consumption of materials. Coal pillar liberation has become a mining area design and production technology management can not be ignored. Fully understanding and strictly controlling the influence scope of the coal pillar of Jiefang layer and using the over-pillar prevention measures are an important and important part of prevention.