| 内错瓦斯尾巷下综采面顶板破碎机理及其防治 |
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| 引用本文： | 王冲,万志军,贾正彪,周长冰.内错瓦斯尾巷下综采面顶板破碎机理及其防治[J].煤矿开采,2011,16(2):23-25,79. |
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| 作者姓名： | 王冲 万志军 贾正彪 周长冰 |
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| 作者单位： | 中国矿业大学矿业工程学院,江苏,徐州,221008;煤炭资源与安全开采国家重点实验室,江苏,徐州,221116 |
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| 基金项目： | 江苏省"青蓝工程"资助项目，煤炭资源与安全开采国家实验室开放研究基金资助项目 |
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| 摘 要： | 内错尾巷在高瓦斯工作面瓦斯治理得到了广泛的应用并取得了很好的效果,而内错尾巷下方工作面顶板破碎严重影响了生产安全,减弱了内错尾巷的作用.对内错尾巷下方工作面顶板破碎情况进行现场实测,采用力学模型分析其破碎机理,应用ANSYS软件模拟其应力分布,在深入分析内错尾巷下方顶板破碎机理的基础上,提出了防治顶板破碎的措施,在寺家...
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| 关 键 词： | 内错尾巷 顶板破碎 应力分布 数值模拟 |
Roof Breakage Mechanism and Prevention in Full-mechanized Mining Face under Inboard Methane Tailing Gateway |
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| WANG Chong,WAN Zhi-jun,JIA Zheng-biao,ZHOU Chang-bing.Roof Breakage Mechanism and Prevention in Full-mechanized Mining Face under Inboard Methane Tailing Gateway[J].Coal Mining Technology,2011,16(2):23-25,79. |
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| Authors: | WANG Chong WAN Zhi-jun JIA Zheng-biao ZHOU Chang-bing |
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| Affiliation: | WANG Chong1,2,WAN Zhi-jun1,JIA Zheng-biao1,ZHOU Chang-bing1,2(1.State Key Laboratory of Coal Resources & Safe Mining,China University of Mining & Technology,Xuzhou 221008,China,2.Mining Engineering School,China) |
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| Abstract: | Inboard tailing gateway has been widely used in methane treatment of mining face with high methane and had excellent effect,but broken roof of mining face under inboard tailing gateway seriously influenced safe mining.Roof broken state of mining face under inboard tailing gateway was observed on-the-spot and mechanics model was applied to analyzing broken mechanism.ANSYS was used to simulate stress distribution.Based on analysis of roof broken mechanism,measures of preventing roof broken was put forward and... |
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| Keywords: | inboard tailing gateway broken roof stress distribution numerical simulation |
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