Examination of temperature field in concrete slab at eary age

Abstract

In this paper, the finite element model (FEM) is proposed to predict the temperature field in flat slab structures at an early age based on the previous experiment in literature of measuring the adiabatic temperature of the concrete sample. To evaluate the accuracy of the model, the temperatures at three points through slab depth were examined. The numerical results obtained from the model are in good agreement with the experimental results on the development of temperature with concrete age. The developed model can be used to calculate the temperature field of early age concrete structures.

Keywords: Early-age concrete; heat of hydration; adiabatic temperature rise; FEM.