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Application of Microseismic Monitoring in Fully-mechanized Caving Technology
Author(s): 
Pages: 60-62
Year: Issue:  8
Journal: SAFETY IN COAL MINES

Keyword:  微地震监测特厚煤层综采放顶煤支承压力;
Abstract: 针对大同煤田石炭二叠纪特厚煤层综放工作面存在的顶板压力大、采空区空间大、顶板坚硬不易冒落、动压显现频繁、岩层运动规律不清等问题,运用微地震监测技术对工作面顶板煤岩层破坏情况进行了监测分析,得到了顶板、底板的破裂范围,断层活化距离,侧向顶板破裂范围,以及超前支承压力分布范围等数据,确定了特厚煤层综放开采工作面支架工作阻力和合理的煤柱尺寸.
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