建下工作面条带开采地表移动变形预计分析
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摘要
针对东部矿区"三下"压煤严重及煤层开采地表损害问题,以永发煤矿为例,设计了8102工作面条带开采方案。基于概率积分法,利用相邻工作面条带开采地表移动变形监测数据,确定了8102工作面条带开采地表移动变形参数,并验证了参数选取的合理性。在此基础上,预计分析了工作面条带开采地表移动变形,并进行了地表建(构)筑物损害评估。
In the eastern mining area "three under the pressure of coal seam mining and serious damage,to Yongfa mine as an example, the design of the 8102 strips mining scheme. Based on probability integral method, the surface movement and deformation monitoring data of adjacent working strip mining are used to determine the surface movement and deformation parameters of 8102 working strip mining, and the rationality of parameter selection is verified. On this basis, the analysis is expected to work with the ground surface movement and deformation of strip mining.
In the eastern mining area "three under the pressure of coal seam mining and serious damage,to Yongfa mine as an example, the design of the 8102 strips mining scheme. Based on probability integral method, the surface movement and deformation monitoring data of adjacent working strip mining are used to determine the surface movement and deformation parameters of 8102 working strip mining, and the rationality of parameter selection is verified. On this basis, the analysis is expected to work with the ground surface movement and deformation of strip mining.
引文
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[3]蒋忠,赵志刚,李瑞瑞,等.条带开采煤柱稳定性数值模拟研究[J].煤炭技术,2015,34(6):23-26.
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[7]汪杰,宋卫东,曹帅.基于Wilson理论的条形矿柱稳定性分析[J].有色金属(矿山部分),2017,69(3):5-10.
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