露头区防砂防塌煤柱条件下综放开采试验研究 |
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引用本文: | 李凤明,文学宽,杜丙申,杜士波. 露头区防砂防塌煤柱条件下综放开采试验研究[J]. 煤矿开采, 2001, 0(3): 9-11,14 |
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作者姓名: | 李凤明 文学宽 杜丙申 杜士波 |
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作者单位: | 1. 天地科技股份有限公司, 2. 河北金牛能源股份有限公司, |
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摘 要: | 邢台矿在巨厚松散含水层下的露头区、基岩只有 1 2~ 51m的防砂防塌煤柱条件下 ,按照“先探后采” ,并采取“分阶段限厚放顶”等开采技术措施 ,实现了 6 4m厚煤层综放开采。
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关 键 词: | 露头区 防砂防塌煤柱 分阶段限厚 综放开采 |
文章编号: | 1006-6225(2001)03-0009-03 |
A trial study on longwall top-coal caving mining under sand-prevention and caving-prevention pillars near strata outcrop zone |
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Abstract: | In Xingtai coal mine, according to the principle of probing in advance and mining later, near the outcrop zone of extra-thick loose water-bearing strata, longwall top-coal caving mining is achieved in 6.4m thick coal seam under the condition of retaining 12-51m sand-prevention and caving-prevention pillars. |
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