Volume 23 Issue 4
Aug.  1995
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Li Liangjie, Zhang Jianjun. CALCULATION AND PREDICTION OF WATER-INRUSH FROM MINING FLOOR AND ITS APPLICATION[J]. COAL GEOLOGY & EXPLORATION, 1995, 23(4): 34-38.
Citation: Li Liangjie, Zhang Jianjun. CALCULATION AND PREDICTION OF WATER-INRUSH FROM MINING FLOOR AND ITS APPLICATION[J]. COAL GEOLOGY & EXPLORATION, 1995, 23(4): 34-38.
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CALCULATION AND PREDICTION OF WATER-INRUSH FROM MINING FLOOR AND ITS APPLICATION

  • 1. China University of Mining and Technology;

  • 2. Coal Department of Hebei Province

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  • Received Date: September 14, 1994
  • Available Online: April 02, 2023
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    • Abstract
  • On the basis of discussion on the predicting theory of water-inrush from mining floor, the authors put forward a main floor model. In the light of the first weighing span formula of main roof, the formation of the limit fracture span of main floor is discussed,and the relationship between the water inrush from mining floor and the characteristics of aquifuges and aquiefers as well as the mining boundary conditions is made clear. Finally,a converse prediction mdthod is proposed in which the past information of water-inrush is used for predicting whether the water-inrush happen or not in the similar op adjacent working faces.
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