Abstract
Certain aspects of workmanship in mixing and placing of fresh concrete in hot weather affect the strength of hardened concrete. It has been found that prolonging mixing and a reasonable delay in casting may infact increase the strength of concrete, provided curing is done properly. It was also found that time of vibration should be kept to about 10s for maximum strength to be achieved. If such effects are taken into consideration when designing the mix, there would probably be no need for special measures to be made in order to reduce the temperature of the fresh mix.
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