Effect of Wet Curing Duration on Long-Term Performance of Concrete in Tidal Zone of Marine Environment

International Journal of Concrete Structures and Materials

Table 3 Properties of fresh and hardened concrete.

Code	Density (kg/m³)	Air content (%)	Slump (mm)	Curing	Compressive strength (MPa)
Code	Density (kg/m³)	Air content (%)	Slump (mm)	Curing	7 days	28 days
NPC	2370	2.7	80	0-D	26.0	31.3
				1-D	30.0	36.6
				3-D	30.8	37.9
				6-D	33.5	39.0
				27-D	33.5	39.8
SFC	2355	1.6	65	0-D	26.0	37.1
				1-D	29.9	45.3
				3-D	32.9	51.4
				6-D	34.4	53.6
				27-D	34.4	55.2