Table 7.

Parameterization of the capillary pressure and relative permeability functions for the bentonite

ParameterCapillary pressureRelative permeability
Functional formPcap=P0(S1/λ1)1λ
S=SaSar1Sar
Sa = aqueous saturation
Sar = irreducible aqueous saturation
kra=S3
krg=(1S)3
λ (−)0.30
P0 (Pa)9.23 × 106
Sar (−)0.00.01