Fig. 4
From: Geoenvironmental use of CaCo3 sludge in subgrade soil for a greener sugar industry
Electrical resistivity measurement on CaCO3 sludge sample: (a) Testing setup with the Wenner array; (b) Correction of resistivity measurements by the Wenner array for a cylindrical sample of d diameter, L length (after Morris et al., 1996)25.
