| 利用钻孔确定采空区垮落带和导水裂隙带高度 |
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| 引用本文： | 颜玉坤,温廷中.利用钻孔确定采空区垮落带和导水裂隙带高度[J].甘肃地质学报,2009(1):94-96. |
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| 作者姓名： | 颜玉坤 温廷中 |
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| 作者单位： | 安徽省煤田地质局第三勘探队; |
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| 摘 要： | 通过对刘桥二矿452采区钻孔资料中的各项测试结果进行分析,探讨采空区煤层覆岩破坏情况,用钻孔确定垮落带及导水裂隙带的高度。
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| 关 键 词： | 垮落带 导水裂隙带 回采上限 |
DETERMINING THE HEIGHT OF COLLAPSE AND FRACTURE ZONE WATER-TRANSMITTING IN MINED-OUT AREA BY MEANS OF BOREHOLE |
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| YAN Yu-kun and WEN Ting-zhong.DETERMINING THE HEIGHT OF COLLAPSE AND FRACTURE ZONE WATER-TRANSMITTING IN MINED-OUT AREA BY MEANS OF BOREHOLE[J].Acta Geologica Gansu,2009(1):94-96. |
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| Authors: | YAN Yu-kun and WEN Ting-zhong |
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| Institution: | No.3 Exploration Team;Anhui Provincial Bureau of Coal Geology;Suzhou 234000;China |
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| Abstract: | In the essay,all results of No.452 borehole in the Second Mine of Liuqiao have been analyzed.The destruction of rock overlaying over coal seams in the mined-out area is discussed.Some methods of deter-mining the height of collapse and water-transmitting fracture zone have been introduced. |
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| Keywords: | collapse zone water-transmitting fracture zone upper limitation of recovery |
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