| 兴安煤矿深部软岩巷道底臌破坏机理及支护对策研究 |
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| 引用本文： | 郭志飚,李国峰.兴安煤矿深部软岩巷道底臌破坏机理及支护对策研究[J].煤炭工程,2009(2). |
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| 作者姓名： | 郭志飚 李国峰 |
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| 作者单位： | 中国矿业大学(北京)力学与建筑工程学院,北京,100083 |
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| 基金项目： | 国家自然科学基金重大项目，国家重点基础研究发展规划(973计划) |
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| 摘 要： | 随着矿井开采深度的不断加大,软岩巷道的大变形、高地压、难支护的问题日益严重,底臌现象已成为软岩巷道围岩变形和破坏的主要特征与形式之一.论文通过研究软岩巷道底臌的力学机理并对底臌机理进行了分类,获取了软岩巷道底臌的主要影响因素;提出了控制底臌的支护措施;在此基础上通过数值模拟优化了支护参数,提出了一种新型控制底臌的支护技术.在复杂的软岩支护中,该技术取得了令人满意的效果,能有效控制巷道底臌.
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| 关 键 词： | 软岩巷道 底臌 数值模拟 支护技术 |
Study on floor heave failure mechanism and support measures for mine roadway in deep soft rock of Xing′an Mine |
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| GUO Zhi-biao,LI Guo-feng.Study on floor heave failure mechanism and support measures for mine roadway in deep soft rock of Xing′an Mine[J].Coal Engineering,2009(2). |
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| Authors: | GUO Zhi-biao LI Guo-feng |
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| Affiliation: | School of Mechanics and Civil Engineering;China University of Mining and Technology;Beijing 100083;China |
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| Abstract: | With the continued increasing of the mine mining depth,the problems of the high deformation,high ground pressure and difficult support occurred in the soft rock roadway were getting seriously and the floor heave phenomenon became on the main features and mode of the surrounding rock deformation and failure occurred in the mine soft rock roadway.With the study on the floor heave mechanics mechanism and the floor heave mechanism of the mine soft rock roadway,the paper classified the floor heave mechanics mech... |
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| Keywords: | mine soft rock roadway floor heave numerical simulation support technology |
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