| 急倾斜煤层开采底板岩层破坏机理研究 |
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| 引用本文： | 王明立.急倾斜煤层开采底板岩层破坏机理研究[J].煤矿开采,2009,14(3). |
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| 作者姓名： | 王明立 |
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| 作者单位： | 天地科技股份有限公司,开采设计事业部,北京,100013 |
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| 摘 要： | 随着煤层倾角增大,切向力的作用越来越大,底板岩层不可避免地要发生变形破坏。建立了急倾斜煤层开采底板岩层力学模型,研究了开采深度、采空区倾斜长度和岩层厚度等因素对底板岩层稳定性的影响,对实际生产中分析急倾斜采空区底板稳定具有重要意义。
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| 关 键 词： | 急倾斜 底板 破坏 |
Research on Damage Mechanism of Floor Rock in Mining Steeply Inclined Coal Seam |
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| WANG Ming-li.Research on Damage Mechanism of Floor Rock in Mining Steeply Inclined Coal Seam[J].Coal Mining Technology,2009,14(3). |
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| Authors: | WANG Ming-li |
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| Affiliation: | Mining & Designing Department;Tiandi Science & Technology Co.;Ltd;Beijing 100013;China |
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| Abstract: | With inclined angle of coal seam increasing,action of tangential force increased and this results in deformation and damage of floor rock.This paper set up mechanics model of floor rock in mining steeply inclined coal seam and researched the influence of mining depth,dip length and rock strata thickness on stability of floor rock,which was significant for analyzing floor stability of steeply inclined gob in actual mining. |
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| Keywords: | steeply inclined floor damage |
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