| 补连塔矿复杂条件下大采高开采地表沉陷实测 |
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| 引用本文： | 施喜书,许家林,朱卫兵.补连塔矿复杂条件下大采高开采地表沉陷实测[J].煤炭科学技术,2008,36(9). |
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| 作者姓名： | 施喜书 许家林 朱卫兵 |
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| 作者单位： | [1]煤炭资源与安全开采国家重点实验室,江苏徐州221008 [2]中国矿业大学矿业工程学院,江苏徐州221008 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，教育部跨世纪优秀人才培养计划，高等学校博士学科点专项科研项目 |
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| 摘 要： | 为研究补连塔矿浅埋深近距离煤层不同条件下(长壁采空区、煤柱区和旺采区下),大采高支架一次采全高工作面开采的地表移动规律,采用建立地表移动观测站对补连塔煤矿32301工作面地表沉陷进行了实测分析,结果表明:补连塔矿32301大采高支架一次采全高工作面开采引起的长壁采空区、煤柱区地表移动特征分区明显;长壁采空区的最大下沉速度比煤柱区大,最大下沉速度滞后距比煤柱区小.长壁采空区和煤柱区的下沉系数分别为0.78和0.51;长壁采空区的最大下沉速度为490 mm/d,最大下沉速度滞后距为61 m;煤柱区的最大下沉速度为234 mm/d,最大下沉速度滞后距为80 m.
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| 关 键 词： | 浅埋煤层 地表沉陷 大采高 绿色开采 |
Site measurement on surface subsidence occurred by coal mining with high cutting height under complicated conditions in Bulianta Mine |
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| SHI Xi-shu XU Jia-lin ZHU Wei-bing.Site measurement on surface subsidence occurred by coal mining with high cutting height under complicated conditions in Bulianta Mine[J].Coal Science and Technology,2008,36(9). |
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| Authors: | SHI Xi-shu XU Jia-lin ZHU Wei-bing |
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| Affiliation: | SHI Xi-shu~(1,2) XU Jia-lin~(1,2) ZHU Wei-bing~(1,2) (1.State Key Laboratory of Coal Resources , Mines Safety,Xuzhou 221008,China,2.School of Mining Engineering,China University of Mining , Technology,China) |
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| Abstract: | In order to study the surface ground migration law after the coal mining performances of the fully mechanized high cutting one passing coal mining face under the different conditions of the shallow depth seams in Bulianta Mine,(as longwall mining goaf,coal pillar area and Wongawilli mining area),a mobile surface observation station was applied to the site measurement and analysis on the surface subsidence above the 32301 coal mining face equipped with high cutting height hydraulic powered supports in Bulian... |
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| Keywords: | shallow depth seam surface subsidence high cutting green mining |
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