| 高位钻孔对特厚煤层瓦斯抽放效果考察及分析 |
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| 引用本文： | 周伟. 高位钻孔对特厚煤层瓦斯抽放效果考察及分析[J]. 科技信息, 2011, 0(3): I0152-I0153 |
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| 作者姓名： | 周伟 |
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| 作者单位： | 安徽理工大学能源与安全学院; |
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| 摘 要： | 本文阐述了高位钻孔抽放的基本原理和特点,利用数值模拟分析了采动影响下的特厚煤层上覆顶板岩层裂隙分布特征,并通过水帘煤矿3801综放工作面的高位钻孔抽放实验,对比论证了高位钻孔抽放的可行性,为特厚煤层的安全高效开采提供了保障。
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| 关 键 词： | 高位钻孔 特厚煤层 数值模拟 |
The Survey and Analysis Aiming at gas Drainage Effect of High Level Borehole for Extremely Thick Coal Seam |
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| ZHOU Wei. The Survey and Analysis Aiming at gas Drainage Effect of High Level Borehole for Extremely Thick Coal Seam[J]. Science, 2011, 0(3): I0152-I0153 |
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| Authors: | ZHOU Wei |
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| Affiliation: | ZHOU Wei(School of Energy and Safety,Anhui University of Science and Technology,Huainan Anhui,232001) |
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| Abstract: | The paper expound the basic principle and characteristics of high level borehole drawing.Making use of the result of numerical simulation analyze the overlying roof strata's distribution feature of cracking which influenced by mining extremely thick coal seam,and through the high level borehole's drawing experiment in the fully mechanized caving face of the Shuilian coal mine,contrastive demonstrating the feasibility of the high level borehole drawing,and providing guarantee for safety and high efficient co... |
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| Keywords: | The high level borehole The extremely thick coal seam Similar simulation |
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