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depth of destroyed floor
相关语句
  底板破坏深度
    The condition of water inrush from a fault is that the depth of the across point of the pick line with the fault is not less the depth of destroyed floor caused by coal mining.
    采场断层发生突水的条件为煤层开采造成的底板破坏深度不小于底板高峰应力线与断层交点的深度。
短句来源
  底板破坏深度
    The condition of water inrush from a fault is that the depth of the across point of the pick line with the fault is not less the depth of destroyed floor caused by coal mining.
    采场断层发生突水的条件为煤层开采造成的底板破坏深度不小于底板高峰应力线与断层交点的深度。
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According to the underground pressure theory, which takes stratum movement as key matter, the nonelastic area occurs in coal body under the action of underground pressure. The pick line of the stress of the underground pressure is not vertical, but oblique to coal wall front. The floor in front of the pick line has water resistant capacity, the pressure water outburst only from the floor behind of the pick line. The condition of water inrush from a fault is that the depth of the across point of the pick...

According to the underground pressure theory, which takes stratum movement as key matter, the nonelastic area occurs in coal body under the action of underground pressure. The pick line of the stress of the underground pressure is not vertical, but oblique to coal wall front. The floor in front of the pick line has water resistant capacity, the pressure water outburst only from the floor behind of the pick line. The condition of water inrush from a fault is that the depth of the across point of the pick line with the fault is not less the depth of destroyed floor caused by coal mining.

根据“以岩层运动为中心”的矿山压力理论 ,煤体在矿山压力作用下将出现非弹性区。矿山压力高峰应力在底板中的传播不是垂直向下的 ,而斜向煤壁前方。位于底板高峰应力线前方 (煤壁前方 )的岩石具有隔水性能 ,承压水只能通过断层从位于底板高峰线后方 (采空区方向 )的底板中突出。采场断层发生突水的条件为煤层开采造成的底板破坏深度不小于底板高峰应力线与断层交点的深度。

 
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