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首页> 外文会议>2007采矿科学与安全技术国际学术会议 >The Character of Methane Enrichment Controlled by Hydrological Geology in Chongqing of China
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The Character of Methane Enrichment Controlled by Hydrological Geology in Chongqing of China

机译：中国重庆水文地质控制甲烷富集特征

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摘要

An anticlinal coal mining area is regarded as working area in Chongqing Libixia gorge of China. The distributing character of rock character and containing water character and resisting water character about roof and bottom of coal seam is researched, and the hydraulic linking is investigated between rock and coal seam. Through analyzing the distributing character and chemical character of surface water and ground water, the supply area, runoff area and outflow area are divided. Combined the geologic structure and methane content, the effect is studied that methane is moved, capped, sealed by hydrologic geology. At last, the typical character of methane enrichment controlled by hydrologic geology in Chongqing of China is put forward. The theory reference is provided for preventing from methane outburst and exploiting, and using methane.
机译：在中国重庆利比峡峡谷中，一个背斜的煤矿区被视为工作区。研究了煤层顶板和底板的岩石特征，含水特征和抵抗水特征的分布特征，研究了岩石与煤层之间的水力联系。通过分析地表水和地下水的分布特征和化学特征，划分了供水面积，径流面积和流出面积。结合地质构造和甲烷含量，研究了甲烷在水文地质条件下的运移，封盖，封闭作用。最后提出了重庆市水文地质条件下甲烷富集的典型特征。为防止甲烷的爆发和开采以及使用甲烷提供了理论参考。

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