Self-Curing High Performance Concrete
A good curing to avoid the evaporation of water to achieve sufficient hydration is very helpful for the durability, strength, volume stability.Self-compacting concrete uses more powders and pozzolans than ordinary concrete, a good curing is even more important.This study is to develop a self-curing concrete not only to reduce the water loss but also can absorb the moisture from the air for curing. Three types of self-curing agents A, B, C were developed and tested. The concrete specimens mixed with self-curing agents were left in air after they were casted. Water loss, compressive strength, and volume stability were studied for the self-cured concrete and very satisfactory results were found. For all the cases, the compressive strengths of self-cured concrete show a higher value than the strengths of ordinary concrete. If the relative humidity is higher than 80%, the compressive strengths of self-cured concrete demonstrate a even higher value than the specimens under standard curing.
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