In-ocean cured concrete 



• 4,185 



Ocean Depth (ft) 

 ' 2,790 



2,635 

 3,140 



5,075 



Each point is avg of four cores. 

 Core strength was adjusted to represent 

 that of cast cylinders. 



Total Age (yr) 



Figure 8. Compressive strength gain of concrete exposed to ocean curing 

 conditions after initial 28-day fog cure and 2 to 5 months of 



on-land curing. 



Condition of Concrete at 5.6 Years 



A saturated 

 A dry 



A saturated 



f^; at 28-day fog: 



nominal strength, 8,000 psi. 



2 4 



Total Age (yr) 



Figure 9. Compressive strength gain of concrete in different environments. 



13 



