Performance of Ground Clay Brick Mortars in Simulated Chloride and Sulphate Media

Table 3

Apparent diffusion coefficients of chloride ions.

Binder type	w/c = 0.4			w/c = 0.5			w/c = 0.6
	Dapp (×10^10m^2/s)	r^2	Cs (%)	Dapp (×10^10m^2/s)	r^2	Cs (%)	Dapp (×10^10m^2/s)	r^2	Cs (%)
OPC	9.26	0.96	2.00	15.5	0.97	3.07	16.50	0.96	3.17
PPC	5.83	0.98	1.69	8.39	0.97	2.73	12.20	0.95	2.68
OPCGB-25	7.35	0.97	2.12	13.2	0.95	3.02	15.70	0.95	3.02
OPCGB-35	6.80	0.97	1.91	9.87	0.96	2.82	13.70	0.95	3.01
OPCGB-45	9.06	0.96	2.13	13.6	0.95	2.99	14.70	0.94	3.06
OPCGB-50	9.97	0.96	2.57	14.5	0.94	3.15	16.50	0.94	3.11
PPCGB-15	5.67	0.98	1.67	7.35	0.97	3.12	7.90	0.97	3.24
PPCGB-20	7.89	0.98	1.57	9.15	0.97	2.79	10.90	0.96	2.81
PPCGB-25	8.53	0.97	1.57	10.9	0.96	2.62	13.10	0.96	3.07