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中文摘要：
以瓦斯流动、瓦斯赋存规律为基础，运用三维模拟软件Flunt进行建模，分析了采空区瓦斯在立体空间范围内的分布特征。指出了“三软”不稳定煤层瓦斯综合治理的必要性，提出了以煤层高抽巷抽放为主，以高抽巷埋管抽放、高位钻孔抽放为辅的“一主两辅”的采空区瓦斯综合治理技术。
英文摘要：
With the help of the regularities of gas flow and gas occurrence, 3-D simulation software Flunt is used to configure a model. In this way, an analysis is carried out on the charac- teristics of the 3-D distribution of gas in the space of gob areas. This paper points out the importance of the implementation of comprehensive gas control measures in ＂three-soft＂ and unstable coal seams. In concrete terms, it is proposed to mainly execute gas extraction from special drifts over the working coal seams and at the same time gas extraction from tubes buried in the special drifts over the working coal seams and gas extraction from high-positioned bore-holes as auxiliary measures. This ＂one major gas extraction complemented by two auxiliary gas extractions＂ is the so called comprehensive gas control technology for use in coal mine gob areas.
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Relationships between gas reservoir and the evolution of stope surrounding rock fracture at the proc
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