【摘要】 随着开采深度的不断增加,煤与瓦斯突出日趋严重。通过对最经济、有效的区域性防突措施保护层开采技术的研究,分析了保护层开采技术的应用现状,总结了保护层开采预防突出的机理、保护层开采保护范围的判别准则以及划定有效保护范围的方法,提出保护层开采技术的研究和发展方向。更多还原

【Abstract】 With the increasing of mining depth,the coal and gas outburst is more and more serious.According to the analysis on the protection layer mining,which is one of the most effective and economical method of the regional prevention measures for preventing the coal and gas outburst,this article analyzes the present situation of the application of protection layer mining and summarizes mechanism of protection layer mining,discrimination criterion of protection region and the method of delimiting the effective protection range.At last,the article gives a prospect of the direction of the research and development for protection layer mining.更多还原