Table 1 Gas basic parameter table of 20,107 working face.

From: Air leakage characteristics and comprehensive prevention of goaf side retained roadway of fully mechanized mining faces in Qincheng coal mine

Coal seam designation

W0 (m3/t)

P0 (MPa)

Consistent coefficient

Failure type

△P

2#

13.24

0.5

0.89

II

33

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