Advances in Civil Engineering / 2020 / Article / Tab 1

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 1

BET 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)11.9873.78820.7751.4581
21.78953.10490.81031.6639
31.62593.73320.89811.7318
Average value1.80083.54210.82781.6179

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