Concrete Strength

TEST SPECIMENS
Three Purposes of Test Specimens
Field Cured Specimens (Cylinders, Beams, Cubes)
Standard-Cured (Lab) Specimens
Low Breaks

MATURITY METHOD OF STRENGTH ESTIMATION
Introduction to Concrete Maturity Methods
Calculating Concrete Maturity

CONCRETE TEMPERATURE

Cold Weather Concrete
Hot Weather Concrete
Mass Concrete
Adiabatic Temperature Rise
Delayed Ettringite Formation (DEF)

KEY REFERENCES

ASTM C 1074 - Standard Practice for Estimating Concrete Strength by the Maturity Method
ASTM C31 - Standard Practice for Making and Curing Concrete Test Specimens in the Field