Concrete mix design — why the water-cement ratio decides almost everything
What the numbers on a mix submission mean, why water is the one ingredient that both makes concrete work and ruins it, what tricalcium aluminate has to do with sulphate attack, why pozzolans make concrete better and slower at the same time, and why durability usually sets the mix rather than strength.
Civil & StructuralIntermediateASTM C150ASTM C618+2