| 非煤系地层瓦斯隧道形成机制研究 |
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| 引用本文： | 康小兵. 非煤系地层瓦斯隧道形成机制研究[J]. 现代隧道技术, 2011, 48(3) |
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| 作者姓名： | 康小兵 |
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| 作者单位： | 成都理工大学地质灾害防治与地质环境保护国家重点实验室,成都,610059 |
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| 基金项目： | 地质灾害防治与环境保护国家重点实验室人才培养课题资助项目(SKLGP2009Z17) |
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| 摘 要： | 在非煤系地层区修建隧道时对瓦斯没有充分的认识和准备,且瓦斯涌出又具有随机性、分布不均匀性的特点,因此该类瓦斯隧道的瓦斯灾害危害性更大,对其形成机制进行研究意义十分重大。文章通过对我国已有大量瓦斯隧道的研究,总结出非煤系地层瓦斯隧道主要有三种成因类型:一是构造连通型,根据不同的构造类型,又可分为裂隙连通型、断层连通型与褶皱连通型;二是围岩变质型;三是复合型。
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| 关 键 词： | 瓦斯隧道 非煤系地层 形成机制 瓦斯灾害 |
Formation Mechanism of Gases in Tunnels Embedded in Non-coal Strata |
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| Kang Xiaobing. Formation Mechanism of Gases in Tunnels Embedded in Non-coal Strata[J]. Modern Tunnelling Technology, 2011, 48(3) |
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| Authors: | Kang Xiaobing |
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| Affiliation: | Kang Xiaobing(National Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059) |
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| Abstract: | There are no full understanding and adequate preparations for gas hazards before tunnel construction in non-coal strata zones,and the gas emission is of random and non-uniform character,so the hazards will be large in such gas tunnels,and it is important to study the gas formation mechanism.Based on the study of many gas tunnels,the paper sums up three genetic types of gas tunnels in non-coal strata,i.e.structural connectivity type,metamorphic rock type and compound type,with the first type further divided ... |
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| Keywords: | Gas tunnel Non-coal strata Formation mechanism Gas hazard |
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