从论述华北型煤田岩溶陷落柱顶底部剪切破坏突水模式及判据入手，分析了井下溶陷落柱突水机理。
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.
华北型煤田中发育的岩溶陷落柱是一种特殊类型的岩溶塌陷。
Karstic collapse posts existing in North China type coalfields is a special kind of karstic collapse.
华北地区岩溶陷落柱已成为矿井开采中最主要的地质灾害之一。
Karst collapse colum in North China already becomes one of the main geological disaster in mine mining.
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