Model for Sulfate Diffusion Depth in Concrete under Complex Aggressive Environments and Its Experimental Verification

Table 2

Concrete mix proportion.

Material	Water; (kg/m^3)	Cement; (kg/m^3)	Sand; (kg/m^3)	Gravel (5~25 mm)
Dosage	200	417	638	1125
Proportion	0.48	1	1.53	2.70