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

Table 3

System of dry-wet cycling test.

Cycling process	Specific parameters
Soaking	Soaked in 7% sulfate solution for 9 h at 25°C
Drying at room temperature	Dried for 1 h at room temperature
Drying at high temperature	Dried for 1 h at 40°C
Natural cooling	Naturally cooled for 1 h