| 煤层顶板"两带"高度的微地震监测技术 |
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| 引用本文： | 于克君,骆循,张兴民.煤层顶板"两带"高度的微地震监测技术[J].煤田地质与勘探,2002,30(1):47-51. |
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| 作者姓名： | 于克君 骆循 张兴民 |
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| 作者单位： | 1. 山东煤田地质局,山东,泰安,271000
2. 澳大利亚联邦科学工业研究组织勘探采矿局CSIRO |
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| 摘 要： | 主要介绍了中国和澳大利亚两个煤矿在长壁开采过程中的微地震监测成果，并进行了深入的理论分析和研究。该监测的主要目的是动态测定煤层开采过程中顶板岩石“两带”（冒落带和裂隙带）的发展规律和高度，以指导相邻采区留设合理的防水或防砂煤柱。观测结果表明：研究区域“两带”的最大高度均没有到达煤层上方的含水层，顶板突水的可能性非常小，这一结果与实际情况符合；同时也表明微地震监测是确定“两带”高度及设计防水和防砂煤柱的一种可靠手段。
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| 关 键 词： | 微地震监测 煤层顶板 冒落带 裂隙带 煤层开采 煤柱 |
| 文章编号： | 1001-1986(2002)01-0047-05 |
The technique of micro-seismic monitoring the height of "two zones" |
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| YU Ke-jun,LUO Xun,ZHANG Xing-ming Shandong Coal Geology Bureau,Taian ,China, CSIRO,Australia.The technique of micro-seismic monitoring the height of "two zones"[J].Coal Geology & Exploration,2002,30(1):47-51. |
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| Authors: | YU Ke-jun LUO Xun ZHANG Xing-ming Shandong Coal Geology Bureau Taian China CSIRO Australia |
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| Institution: | YU Ke-jun,LUO Xun,ZHANG Xing-ming Shandong Coal Geology Bureau,Taian 271000,China, CSIRO,Australia) |
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| Abstract: | It is mainly introduced that the microseismic monitoring results obtained during long-wall mining in Xinglongzhuang Colliers of China and Cordonstone Colliery of Australia, and conducted further theoretical analysis and study. The primary target of the monitoring is to dynamically determine the developing regularity, and heights of the "two zones"(caving zone and fractured zone)in roof rocks. The study results indicate that the maximum heights of the caving zones and fractured zones are not reach the aquifers above the target coal seams in the two collieries, which means the water from the aquifers above coal seams is impossible to flow into mines. This result corresponds with practical situation. Meanwhile the study results of the microseismic method are proved a reliable technique for determination of the heights of the " two zones" and dsigns of the water and sands pillars. |
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| Keywords: | microseism monitor roof of coal seams caving zone fractured zone |
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