Explain this graph. (a) Why strength for 28 day old concrete is higher than 1 day old concrete? (b) Why the strengths at
Posted: Wed May 04, 2022 9:58 am
Explain this graph. (a) Why strength for 28 day old concrete is higher than 1 day old concrete? (b) Why the strengths at different days are not same for 0.4, 0.5, and 0.6 Water-Cement ratios? ksi 6 5 I MPa Compressive strength 40 30 20 10 O 28 Day 0.4 7 Day 3 Day 1 Day 1 0.5 0.6 Water - Cement ratio 4 3 21