| 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(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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