Inhibition Effect of Natural Pozzolan and Zinc Phosphate Baths on Reinforcing Steel Corrosion

Table 3

Compressive strength development of concrete.

Mix type	Compressive () strength of concrete (MPa), normalized
	28 days of curing	90 days of curing
NP0	42.1-100%	47.9-100%
NP10	40.1-95%	46.9-98%
NP20	34.2-81%	43.7-91%
NP30	32.3-77%	47.8-89%