Volume 26 Issue 4
Aug.  1998
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Guo Deyong, Han Dexin, Feng Zhiliang. EXPERIMENTAL STUDY ON THE POROSITY AND PERMEABILITY OF DISTURBED COAL UNDER CONFINED PRESSURE[J]. COAL GEOLOGY & EXPLORATION, 1998, 26(4): 31-34.
Citation: Guo Deyong, Han Dexin, Feng Zhiliang. EXPERIMENTAL STUDY ON THE POROSITY AND PERMEABILITY OF DISTURBED COAL UNDER CONFINED PRESSURE[J]. COAL GEOLOGY & EXPLORATION, 1998, 26(4): 31-34.
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EXPERIMENTAL STUDY ON THE POROSITY AND PERMEABILITY OF DISTURBED COAL UNDER CONFINED PRESSURE

  • 1. Beijing Graduate School of China University of Mining and Technology;

  • 2. Zhengzhou Coal Geology Institute

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  • Received Date: August 20, 1997
  • Available Online: March 31, 2023
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  • By using the porosity and permeability measuring system,the porosity and permeability of different types of disturbed coal samples with different qualities are measured.The results show that the porosity and permeability of disturbed coals are decreased with confined pressure,and there are different variation laws in the coals with various qualities and structures.Further,the action mechanism of the factors such as coal structure,gas pressure,gas component and so on are discussed.
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