Experimental Study on the Durability of Alkali-Activated Slag Concrete after Freeze-Thaw Cycle

Table 9

Compressive strength attenuation exponential function and pertinence coefficient.

Code	Fitting coefficient, a	Fitting coefficient, b	Correlation coefficient, R^2
AASC-1	108.431	−0.0019	0.9861
AASC-2	103.206	−0.0018	0.9830
AASC-3	99.259	−0.0015	0.9725
AASC-4	101.801	−0.0016	0.9890
AASC-5	104.355	−0.0020	0.9705
AASC-6	109.769	−0.0022	0.9825