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

Table 11

Compressive strength accumulative damage exponential function and pertinence coefficient.

Code	Fitting coefficient, a	Fitting coefficient, b	Correlation coefficient, R^2
AASC-1	1.7861	0.0064	0.8750
AASC-2	2.2238	0.0051	0.8442
AASC-3	2.2765	0.0045	0.8476
AASC-4	2.1676	0.0050	0.8711
AASC-5	2.2255	0.0052	0.8300
AASC-6	1.8947	0.0066	0.9379