Research Article

A Study of the Laws of Abnormal Gas Emissions and the Stability Controls for Coal Mine Walls in Deeply Buried High-Gas Coal Seams

Table 2

BJH specific surface areas of the different coal seams.

Pore structure parametersNo.No. 6 hardNo. 6 softNo. 8 hardNo. 8 soft

BET specific surface area (m2/g)11.53543.30950.37811.2226
21.62912.29120.5341.6153
31.21353.29190.44691.6384
Average value1.45932.96420.4531.4921