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After 32 h of curing, RPC developed strength, and the hydration reaction mainly occurred before 28 days but essentially ceased after 90 days. Korpa et al. [21] …

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Cement hydration is a chemical reaction that normally takes place when cement is mixed with water. The fine, loose, and plastic cement combined with water will …

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Although, re-examination of the data in this paper [11] does not seem to show such a clear distinction in these two categories. In a recent study [12] the composition of …

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Hydration of a greater amount of cement leads to a higher concrete temperature and a larger temperature difference between the middle and the outer surface [1, 2].Consequently, the tensile stress due to the thermal gradient will develop higher, which increase the potential of cracking [1].However, when using a HSC mix for a bridge …

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Q. What is meant by heat of hydration and why is it sometimes important to control the heat generated in concrete? A. The reactions that bring about the hardening of …

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In mass concrete constructions, concrete at early age experiences thermal deformations due to heat generation caused by the hydration reactions. when these deformations are restrained, stresses ...

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"Discoloration of Concrete, Causes and Remedies," Kosmatka, S.H., Concrete Products Magazine, April 1987. "Effects of Substances on Concrete and Guide to Protective Treatments," Beatrix Kerkhoff, Publication IS 001.11, Portland Cement Association, 2007.

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Early hydration process of three types of concrete with the ratio of water to binder in mass of 0.4, including ordinary Portland cement concrete (OPC), concrete with fly ash of …

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4. Speed Reduction. At this stage of cement hydration, the temperature reaches its maximum level, and free particles are now reduced, thus slowing the rate of temperature rise. This stage usually complete with …