张家峁煤矿14202综采面矿压规律研究

Shaanxi Coal(2011)

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Abstract
对张家峁煤矿14202综采面矿压进行现场实测,揭示了浅埋煤层基载比为2的综采面在推进过程中上覆岩层的移动规律,分析了由于上覆松散层厚度变化时周期来压期间的破坏和动载机理,得出了上覆岩层破坏规律,为类似综采面顶板结构分析及支架选型提供了理论基础。
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