What are the strength development characteristics for the High Slag Cement Concrete?

The replacement ratio of GGBS has significant impact on the strength development of concrete; hence, the user should determine the best range of replacement ratio through experiment, in accordance to the design and construction requirements.

Under the curing conditions, High Slag Cement Concrete with 30-50% replacement ratio would achieve 50 – 60% compressive strength of plain concrete in 3 days, 70 – 80% achieved in 7 days, and its compressive strength is equivalent to plain concrete’s in 28 days and continues to grow since then.