Effect of Capillary Water Absorption on Electrical Resistivity of Concrete with Coal Gangue Ceramsite as Coarse Aggregates

Table 4

Fitting results of the electrical resistivity rate.

Types	C1/(kΩ·m)·min^−1/2	Standard deviation, σC1		C2/(kΩ·m)·min^−1/2	Standard deviation, σC2
PC	−0.00512	0.00039	0.944	−0.000536	0.000153	0.710
CGC30	−0.00727	0.00035	0.977	−0.000350	0.000039	0.939
CGC60	−0.00885	0.00062	0.953	−0.000352	0.000030	0.965
CGC100	−0.01018	0.00048	0.978	−0.000369	0.000069	0.850