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CVEN3304 - Concrete Structures - 2025 T2
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Concrete is a composite material. Therefore, the concrete compressive strength generally has a value between the compressive strength of the aggregate and the compressive strength of cement paste.
Cement paste has a compressive
strength higher than the corresponding concrete because of the lack of the
interfacial transition zone. (Assume that the same water-to-cement ratio and
the same curing method are used for both paste and concrete).
Immersing a hardened concrete
in water can cause the further hydration without altering the solid skeleton developed by the the initial water-to-cement ratio of concrete.
Pozzolanic reaction is generally faster than the hydration reaction.
The slow cooling process can
effectively stabilize the components of clinkers produced in the burning kiln.
Autogenous shrinkage is a subset of chemical shrinkage.
Moisture condition of aggregates can alter the water-to-cement ratio (w/c).