| 急倾斜综放工作面矿压显现规律研究 |
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| 引用本文： | 李立,赵健健,张世青,张春雷. 急倾斜综放工作面矿压显现规律研究[J]. 煤炭技术, 2014, 0(5): 98-100 |
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| 作者姓名： | 李立 赵健健 张世青 张春雷 |
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| 作者单位： | 中国矿业大学(北京)资源与安全工程学院 |
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| 基金项目： | 国家重点基础研究发展计划(973)资助项目(2011CB201204) |
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| 摘 要： | 通过UDEC和FLAG3D数值模拟软件模拟研究了急倾斜煤层综放开采工作面的上覆岩层运移形态和沿工作面倾向垂直应力分布情况,并结合对靖远矿业集团宝积山煤矿704综采工作面的矿压实测资料,分析了急倾斜综放工作面矿压显现规律。结果表明:急倾斜煤层沿工作面倾斜方向上覆岩层运移规律和应力分布呈现出明显的不对称性,工作面上、中、下部支架载荷,周期来压情况都有所不同。
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| 关 键 词： | 急倾斜煤层 矿压显现 数值模拟 |
Study on Strata-pressure Behavior Law at Fully Mechanized Caving Face in Steep-inclined Coal Seam |
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| LI Li;ZHAO Jian-jian;ZHANG Shi-qing;ZHANG Chun-lei. Study on Strata-pressure Behavior Law at Fully Mechanized Caving Face in Steep-inclined Coal Seam[J]. Coal Technology, 2014, 0(5): 98-100 |
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| Authors: | LI Li ZHAO Jian-jian ZHANG Shi-qing ZHANG Chun-lei |
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| Affiliation: | LI Li;ZHAO Jian-jian;ZHANG Shi-qing;ZHANG Chun-lei;School of Resources and Safety Engineering, China University of Ming and Technology(Beijing); |
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| Abstract: | Combined with the rock pressure measured data of Baojishan 704 fully-mechanized face in Jing yuan Mining Group, the law of the overlying strata displacement and vertical stress distribution along the inclined direction of the fully-mechanized caving face in steep-inclined coal seam were studyed by use of numerical simulation software UDEC and FLAG3 D. The results showed that: the overlying strata movement and stress distribution along the inclined direction of mining face represent obvious asymmetry, the support load in the lower, middle and upper parts of the mining face are different as well as the case of periodic weighting |
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| Keywords: | steep-inclined coal seam strata-pressure behavior numerical simulation |
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