Study on the Permeability of Weakly Cemented Sandstones

Table 2

Calculation of various parameters and permeability coefficient of fractured rock mass.

Classification	E/GPa	μ	D/cm	P/MPa	Kn/GPa·cm^−	Et/GPa	μt	e/mm	Net confining pressure/MPa
Coarse sandstone	15.08	0.18	5.0	2	18.11	9.051	0.108	0.17	2
									4
									6
									10
									15
Fine sandstone	25.77	0.21	5.0	2	45.67	17.755	0.145	0.097	2
									4
									6
									10
									15
Heterogeneous rock mass	—	—	5.0	2	20.77	10.562	0.111	0.14	2
									4
									6
									10
									15