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| 采场覆岩裂隙特征研究及在瓦斯抽放中应用 | |
| 引用本文： | 刘泽功,袁亮,戴广龙,石必明,卢平,涂敏,蔡峰.采场覆岩裂隙特征研究及在瓦斯抽放中应用[J].安徽理工大学学报(自然科学版),2004,24(4):10-15. |
| 作者姓名： | 刘泽功 袁亮 戴广龙 石必明 卢平 涂敏 蔡峰 |
| 作者单位： | 1. 安徽理工大学资源开发与管理工程系,安徽,淮南,232001;中国科学技术大学火灾科学国家重点实验室,安徽,合肥,230026 2. 淮南矿业集团公司,安徽,淮南,232001 3. 安徽理工大学资源开发与管理工程系,安徽,淮南,232001 4. 中国科学技术大学火灾科学国家重点实验室,安徽,合肥,230026 |
| 基金项目： | 国家"十五"重点科技攻关资助项目(2001BA803B0411)，安徽省教育厅科学基金资助项目(2001kj215)，教育部科学技术重点资助项目(02070) |
| 摘 要： | 为了在采空区顶板实施瓦斯抽放枝术获得较高的瓦斯抽放效果，采用模拟试验和工业性试验的方法，研究采场上覆岩层中裂隙特征，寻找采场上覆岩层中裂隙位置和顶板瓦斯富集区。现场试验表明，把抽放钻孔布置在采空区顶板裂隙区内进行瓦斯抽放，对流向回采工作面上隅角的瓦斯起到了截流作用，基本上解决了高瓦斯煤层回采工作面上隅区瓦斯斯浓度超限问题。 |
| 关 键 词： | 煤层顶板 裂隙 模拟试验 瓦斯抽放 |
| 文章编号： | 1672-1098(2004)04-0010-06 |
| 修稿时间： | 2004年10月8日 |
Study on the Characteristics of the Gob Roof Cracks in Stopes and its Application in Gas Drainage |
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| LIU Ze-gong.Study on the Characteristics of the Gob Roof Cracks in Stopes and its Application in Gas Drainage[J].Journal of Anhui University of Science and Technology:Natural Science,2004,24(4):10-15. | |
| Authors: | LIU Ze-gong |
| Institution: | LIU Ze-gong~ |
| Abstract: | In order to obtain a better effect of the gas drainage engineering practiced in gob roof, both laboratory and industrialized experiment, with the adoption of the simulation methods, are applied to find out the location and formation mechanism of annular fracture areas in overlying formation. The long-drill method for gas suction along the strike of annular fracture areas would be carried out after drills were put in these areas. Mining in coal beds with gas of high concentration and low permeability could be sliced from gas suction separately On mining working faces, the gas released from roof fracture areas would be stopped from flowing to upper corners, so that the technical problem of gas suction in soft coal beds could be solved, where gas is in the state of low permeability and high concentration. |
| Keywords: | coal seam gob roof cracks simulation experiment gas drainage |
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