Experimental Study on Forecasting Mathematical Model of Drying Shrinkage of Recycled Aggregate Concrete

Table 3

Table of fitting parameters of mathematical model.

Mathematical model	Regression coefficients		Fitting equation	Correlation coefficients	Mean square deviation	𝐹 statistics
	𝑎	𝑏
Equation (4.3)	0.046	−0.003	Equation (4.5)	0.99459	1.56085	2565
Equation (4.8)	−3.88	1.18	Equation (4.10)	0.99324	3.15600	1390
Equation (4.13)	−1.85	−0.026	Equation (4.15)	0.99253	1.45512	1720