综采工作面过大落差断层安全保障技术

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井下地质条件是制约工作面开采的主要因素,特别是存在大跨度、大落差的断层带时,工作面往往难以推进而提前停采,不仅影响煤矿经济效益,也是对资源的浪费。通过合理选定层位,加强支护,有效控制了顶板和煤帮;在物探的基础上,超前疏放顶板含水层,消除了顶板突水危险。
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