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CVEN3304 - Concrete Structures - 2025 T2
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All supplementary cementitious
materials have both pozzolanic and hydraulic properties.
Tricalcium silicate (Alite) reacts fastest among cement minerals.
Concrete is a composite
material. Therefore, the value of concrete elastic modulus would be between the
elastic modulus of aggregate and the elastic modulus of cement paste.
Autogenous shrinkage is driven
by self-desiccation and this shrinkage includes both a macroscopic volume change and voids generated by hydration.
The kinetics of cement mineral hydration is C3S>C3A>C4AF>C2S