| 采空侧巷道底鼓形成机制与防治技术研究 |
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| 引用本文： | 初明祥,王清标,夏均民.采空侧巷道底鼓形成机制与防治技术研究[J].岩土力学,2011,32(Z2):413-417. |
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| 作者姓名： | 初明祥 王清标 夏均民 |
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| 作者单位： | 山东科技大学资源与土木工程系; |
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| 基金项目： | 山东省高等学校优秀青年教师国内访问学者项目经费资助 |
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| 摘 要： | 煤矿深部采空侧巷道底鼓现象日趋普遍和严重,严重影响巷道的运输和正常使用,其底鼓防治技术研究已成为目前煤矿岩石力学问题研究的重点。通过理论分析、数值模拟、现场试验等研究方法,对采空侧巷道底鼓的特征、形成原因、形成机制及其防治技术进行了详细研究,得到以下结论:(1)采空侧巷道底鼓与底板岩性和底板岩层的应力重新分布有关;(2)底板在严重挤压变形的情况下发生断裂,底板隆起,墙角发生外移是造成底鼓的主要原因;(3)底鼓始于巷道底角与底板中部;(4)采用中空锚杆注浆与高强锚杆锚注联合支护技术能有效治理采空侧巷道的底鼓。
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| 关 键 词： | 采空侧巷道 底鼓机制 防治技术 数值模拟 联合支护技术 |
| 收稿时间： | 2011-06-16 |
Study of formation mechanism of floor heave at goaf side of roadway and prevention technology |
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| CHU Ming-xiang,WANG Qing-biao,XIA Jun-min.Study of formation mechanism of floor heave at goaf side of roadway and prevention technology[J].Rock and Soil Mechanics,2011,32(Z2):413-417. |
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| Authors: | CHU Ming-xiang WANG Qing-biao XIA Jun-min |
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| Institution: | Department of Resources and Civil Engineering, Shandong University of Scinence and Technology, Tai’an, Shandong 271019, China |
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| Abstract: | The floor heave of deep goaf side coal roadway has bocome increasingly common and serious phenomenon;it has important affection on carriage and normal use of roadway,and the prevention technology research of the floor heave has become the key of coal mine rock mechanics problems at present.Through theoretical analysis,numerical simulation and field tests,a detailed search has been done on the floor heave characteristic of goaf side of roadway,the formation reasons,the formation mechanism and control technol... |
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| Keywords: | goaf side of roadway mechanism of floor heave prevention technology numerical simulation jointed support technology |
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