A New Safety Factor Prediction Model for Mass Concrete Surface Cracking in Early Age

Table 1

Main concrete material parameters in basic model deduction.

Material parameters	Adiabatic temperature rising (°C); 𝜃(𝜏)=𝑇0×(1−𝑒^−𝑎𝜏𝑏)			Elastic module (GPa) 𝐸(𝜏)=𝐸0×(1−𝑒^−𝑎𝜏𝑏)			Tensile strength (MPa) 𝑓𝑡(𝜏)=𝑓0×(1−𝑒^−𝑎𝜏𝑏)
	𝜃0	𝑎	𝑏	𝐸0	𝑎	𝑏	𝑓𝑡	𝑎	𝑏
	20.0	0.50	1.00	35.0	0.75	0.50	3.25	0.75	0.50