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

Table 15

Relative dynamic elastic modulus accumulative damage exponential function and pertinence coefficient.

Code	Fitting coefficient, a	Fitting coefficient, b	Correlation coefficient, R^2
AASC-1	1.0828	0.0059	0.9716
AASC-2	1.2532	0.0052	0.9132
AASC-3	1.0279	0.0057	0.9268
AASC-4	0.7516	0.0064	0.8931
AASC-5	1.0694	0.0053	0.9321
AASC-6	1.2959	0.0063	0.9640