concrete strength time after casting

"Concrete Strength Gain Over Time and Water Requirement for Different Grades of Concrete”

Time after Casting – Concrete Strength

After 24 hrs → 16% Strength Gain

After 48 hrs → 30% Strength Gain

After 3 Days → 40% Strength Gain

After 7 Days → 65% Strength Gain

After 14 Days → 90% Strength Gain

After 28 Days → 99% Strength Gain

Actual Water needed for CC Road in respect to one Bag (50Kg) of Cement

Concrete Grade Water Amount
1:4:8 (M-7.5) 40 Liter
1:3:6 (M-10) 34 Liter
1:2:4 (M-15) 30 Liter
1:1.5:3 (M-20) 27 Liter
1:1:2 (M-25) 25 Liter

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