Geofluids

Research Article

Characteristics of Bituminous Coal Permeability Response to the Pore Pressure and Effective Shear Stress in the Huaibei Coalfield in China

Table 3

Fitting formula.
The effective shear stress (MPa)Fitting formula
-0.50.99
-0.250.99
00.99
0.250.99
0.50.99