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ge shui guan jian ceng shui wen di zhi gai nian mo xing de jian li yu fen xi
Author(s): 
Pages: 11-15
Year: Issue:  4
Journal: Safety in Coal Mines

Keyword:  water-resisting key-stratumhydrological geology conception modelsgreen miningwater-preserved mining;
Abstract: 水资源保护性煤炭开采是煤矿绿色开采的重要内容之一,也是目前我国煤炭开采迫切需要解决的重大课题。在分析结构关键层内涵的基础上,提出了广义隔水关键层和保水开采的基本概念;依据地层的含、隔水结构,得出隔水层的2种最基本模式。基于水文地质学和地层结构理论,提出了5种隔水关键层水文地质概念模型;得出了影响煤层顶、底板隔水关键层破坏的主要因素。表明在生态环境脆弱的西部矿区以及我国东部的大水矿区,充分利用隔水关键层的良好的隔水作用,能够实现保水开采。
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