RELATION BETWEEN "CHARACTERISTIC INDEX OF COAL" AND DANGER TYPE OF MINE GAS

Zhang Shiping. RELATION BETWEEN "CHARACTERISTIC INDEX OF COAL" AND DANGER TYPE OF MINE GAS[J]. COAL GEOLOGY & EXPLORATION, 1992, 20(6): 36-40.

Citation:

Zhang Shiping. RELATION BETWEEN "CHARACTERISTIC INDEX OF COAL" AND DANGER TYPE OF MINE GAS[J]. COAL GEOLOGY & EXPLORATION, 1992, 20(6): 36-40.

Citation:

Zhang Shiping. RELATION BETWEEN "CHARACTERISTIC INDEX OF COAL" AND DANGER TYPE OF MINE GAS[J]. COAL GEOLOGY & EXPLORATION, 1992, 20(6): 36-40.

Abstract

There are five Danger types of mine gas in Hunan province, which could be determinated by means of "Characteristic Index of coal (Symbol:I_c) ". "I_c" is a composite Index. It can reflect the difference of the characteristic of coal of these types.The result of testing and verifying in 16 mines is satisfied on the whole.

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