The paper stated the water inrush model of shearing failure at the karst sink hole bottom in North China coal field and analyzed the water inrush mechanism of the karst sink hole.

 
  • 從論述華北型煤田巖溶陷落柱頂底部剪切破壞突水模式及判據入手,分析了井下溶陷落柱突水機理。
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