Shock and Vibration / 2020 / Article / Tab 2

Research Article

A New Method for Predicting Coal and Gas Outbursts

Table 2

Parameters including gas adsorption constant and proximate analysis of the C9 coal seam.

Coal seamSampling siteProximate analysis (%)True density, TRDApparent density, ARDPorosity, F (%)Gas adsorption constant
M adAdVdafab

C9Transportation roadway in the 121901 working face at the 1800 m level0.438.7422.311.371.2012.4120.51470.8480

Note: adsorption experiments were conducted at tS = 30°C.

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