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Abstract

The paper presents the impact of parameters, such as cement content and initial temperature of concrete, on the temperature distribution in the body of the early age mass concrete structure. The cement content and initial temperature of concrete mix used in the study are limited within 250-500 kg/m3 and 15-25°C, in respect. Thermal analysis is conducted by using Finite Element Midas Civil 2011. Then, the experiment planning method is used to establish a mathematical function that allows determining the maximal temperature in the concrete structure body. The study indicates that the cement content plays a decisive role compared to the initial temperature of concrete in determining maximal temperature. Besides, the achieved function reflects the impact and correlation of mentioned parameters on the temperature profile of the mass concrete structure.

Keywords

heat of hydration temperature gradient crack mass concrete mathematical model

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