EAS Publisher | Experimental Investigation on the Effects of Mixing Hot and Cold Water on the Concrete Properties in Ethiopia

Experimental Investigation on the Effects of Mixing Hot and Cold Water on the Concrete Properties in Ethiopia

DOI : https://doi.org/10.36349/easjecs.2020.v03i09.001

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Abstract: In Ethiopia, the weather condition is different at different places due to change in altitude, the usage of water temperature in casting the concrete place an important role. In the present research study it has an examined the eﬀects of different mixing water temperature on the performance on fresh and harden concrete properties which are made with locally available cement. In this research testing is done for both plastic and hardened concrete with different temperatures of water at 150 C, 25 °C and 40 °C with constant water - binder ratio 0.5. Based on our experimental results and observations, we concluded that decrease in compressive and flexural strength at 100 and increase in strength for 400. Similarly it was observed in workability also. Hence in practical there is no need of change in mix design / take additional precaution for change in temperature of water up to 400 C. The higher temperature of mixing water in bleeding, segregation and other properties can be added for further relative study.

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