STUDY OF COOLING OF CONCRETE IN DAM WITH SPECIAL REFERENCE TO BEAS DAM

Abstract

Due to generation of beat and lower they al conductivity of concrete acture 1, a temperature differ." ential develop in the structure . Greater this difference, greater will be the amount of thermal stresses which may ultimately give vent to crack 'ormation, Crack foxna- tion deteriorates the strength of structure and hence undesirable. Heat of hydration (generation) , being the prime source of the malady#, should be dissipated from the struc. tie. This may be done by two methods viz, p recooling or post cooling, After giving the phenomenical description of the beat generation in concrete mixtures temperature rise, beat transfer, the temperature control for dam is disau . ssed4, Temperature control measures involve the study of the effect of concrete composit .ons admixture, lift- thickness on t e heat generation* Insulation and the curing of concrete modifies the total. heat load which shall be dissipated by precoolin,d and post cooling methods. These measures are discussed with reference to Rihand, Bhakra and Idiom. Dams......