实体煤帮的高支承压力是影响沿空掘巷稳定性的主要原因之一。
The high abutment pressure on the integrated coal beside the roadway is one of the reasons to lead to floor heave and affect the stability of the roadway driving along next goaf.
分析了沿空留巷围岩移动的力学根源和巷道煤帮内支承应力变化的规律。
An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stress in roadway coal pillars.
分析了沿空留巷围岩移动的力学根源和巷道煤帮内支承应力变化的规律。
An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stre...
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