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Effect of Extremely Hot and Arid Climate on Concrete Properties

Saleh A. Al-Saleh
Civil Engineering Department, College of Engineering, Al Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia

Abstract—Temperature, strength, and slump of concrete were investigated under extremely hot and arid climate conditions. It is found that the effect of extremely hot and arid weather on concrete strength is similar to the effect in typical hot weather concreting. This may be due to the fact that precautions to control concrete temperature are taken. The effect of concrete temperature on initial slump is minimal and longer delivery time associated with extremely hot temperature creates the worst effect on slump loss. The compressive strength decreases as the slump increases which implies wrong practice to increase the initial slump in order to account the anticipated slump loss. The variation range of concrete temperature between cold and hot weather conditions in Riyadh city is about 16 oC. Moreover, concrete temperature is about 86% to 95% of the ambient temperature and an increase of the ambient temperature by about 5oC would increase the concrete temperature by 2.2oC.  
Index Terms—hot weather, arid climate, ambient temperature, concrete temperature, strength, slump

Cite: Saleh A. Al-Saleh, "Effect of Extremely Hot and Arid Climate on Concrete Properties," International Journal of Structural and Civil Engineering Research, Vol. 5, No. 1, pp. 35-38, February 2016. doi: 10.18178/ijscer.5.1.35-38