Table 1.
KC’s equation and its modifications for different porous media.
Table 2.
The ratio of particle size in the sample.
Fig 1.
Sample preparation process.
Fig 2.
Structural deformation diagram.
Fig 3.
Sample installation diagram.
Fig 4.
Principle of calculating the d50 value of the specimen.
Table 3.
Calculation table of d50 values.
Fig 5.
History of pore-associated permeability values.
Fig 6.
Structural evolution process of broken coal particles.
Fig 7.
Relationship between effective stress and permeability of samples.
Fig 8.
Three different test states of pore structure specimens.
Fig 9.
Plot of effective stress versus permeability.
Table 4.
Fit function and correlation.