Concrete
Compressive strength
Cylinders cast and cured in the field are transported to the laboratory within 24-to-48 hours of production. Cylinders are then cured in water (or high-humidity chamber) for the specified curing period (e.g., 7-days, 28-days, etc.). On the date the cylinder has cured for the specified period of time, the cylinder is removed from the water tank and tested in compression with strength and failure mode reported.
1 but typically several specimens per set of cylinders
Typically 4" x 8" or 6" x 12" cylinders
compressive strength, concrete
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