Damage and Degradation of Concrete under Coupling Action of Freeze-Thaw Cycle and Sulfate Attack

Table 8

Average formation rates of corrosion products during freeze-thaw cycles.

Na2SO4 (%)	Average formation rates (%)		Fly ash (%)
	50∼150 (n)	150∼200 (n)
2%	0.550	—	10
5%	0.414	0.314	0
	0.479	0.156	10
	0.415	—	20
10%	0.874	0.380	10