Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
煤巷顶板多数是岩体强度较低的沉积岩,层状岩体结构是沉积岩的主要特征之一。
Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted.
根据复合岩梁理论,推出了开采沉陷中层面滑移函数和层面滑移判断式。
According to the problems above, the waste rock fill mining method with the upward slitting stratification is put forward.
针对上述主要问题,提出采用上向分条分层废石充填采矿法。
According to the problems above, the waste rock fill mining method with the upward slitting stratification is put forward.
针对上述主要问题,提出采用上向分条分层废石充填采矿法。
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