1 1 1 r 



6x 12-In. -Long Control Cylinders From Sphere 3 



8,000 



Symbol Hemisphere No. 



n W-15 



O W-16 



Each point represents average 

 of minimum 3 specimens 

 ■^— — ^— ^ Fog-room curing 

 —^—^-^ On-land field curing 

 — — ^— In-ocean field curing 



200 300 400 



Age of Concrete (days) 



Figure C-1. Compressive strength of concrete for Sphere 3. 



30 



