Fig. 5 Measured permeability values as a function of calculated p - pc using values of 
, 
(Table 1) and the measured porosity 
, for l20t samples under different loadings and for different initial water contents
Fig. 5 Measured permeability values as a function of calculated p - pc using values of , (Table 1) and the measured porosity , for l20t samples under different loadings and for different initial water contents