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急倾斜单一突出厚煤层一般采用水平分层或斜切分层进行开采,其区域防突措施确定的关键在于确定其采动影响下的自保护范围.以湖南省南阳庙煤矿为例,进行了回采工作面煤的工业分析和采后瓦斯残余参数观测,UDEC数值模拟和实验室相关数据测试等一系列研究,研究表明:在采用水平分层或斜切分层采煤法开采后,其分层相当于保护层的开采,下部1~2个分层均处于被保护层的保护范围之内,大大简化了防突工程.研究结果可为急倾斜突出煤层区域防突措施的制定提供理论依据,对急倾斜突出煤层的安全生产具有一定的理论意义和实际意义.
In the case of steeply inclined single outburst thick coal seam, horizontal stratification or beveling stratification is generally adopted for mining, and the key to determine the area outburst prevention measures lies in determining the self-protection scope under the influence of mining.In the case of Nanyangmiao Coal Mine in Hunan Province, Industrial analysis of mining face coal and post-mining gas residual parameter observations, UDEC numerical simulation and laboratory-related data test and a series of studies show that: the use of horizontal stratified or bevel mining cut mining method, the points Layer is equivalent to the mining of protective layer, the lower one or two layers are within the protection range of the protective layer, which greatly simplifies the outburst prevention project.The research results can provide theoretical basis for the formulation of outburst prevention measures in the area of steeply inclined coal seam , Which has certain theoretical and practical significance for the safety production of steeply inclined coal seam.