Research Article

Study on the Destructive Effect of Small Faults on Coal Pore Structure

Table 2

Comparison of mercury porosimetry parameters of coal samples.

SampleA1A2

Total pore volume (cm3/g)
Micropore volume (cm3/g)
Transition pore volume (cm3/g)
Mesopore pore volume (cm3/g)
Macropore pore volume (cm3/g)
Total specific surface area (m2/g)
Micropore specific surface area (m2/g)
Transition pore specific surface area (m2/g)6.95.8
Mesopore specific surface area (m2/g)
Macropore specific surface area (m2/g)
Porosity (%)14.4%12.7%
Median pore size (nm)7.26.9
Bending factor2.0722.076
Fractal dimension2.8112.850