Identification of thermal properties of hardening concrete by means of evolutionary algorithms

  • Adam Długosz Silesian University of Technology
  • Iwona Pokorska Czestochowa University of Technology
  • Michał A. Glinicki Institute of Fundamental Technological Research
  • Roman Jaskulski Faculty of Civil Engineering Mechanics and Petrochemistry, Warsaw University of Technology

Abstract

In this paper, the evolutionary computation procedures for identifying thermophysical properties in hard- ening massive concrete structures are presented. The heat of cement hydration, thermal conductivity and specific heat are determined for the purpose of modeling temperature evolution in massive concrete ele- ments. Knowledge about temperature fields is very important due to their link with undesirable thermal stresses that can cause a weakening of structures because of thermal cracking. The proposed method is based on point temperature measurements in a cylindrical mould and the numerical solution of the inverse heat transfer problem by means of the finite element method and evolutionary computation.

Keywords

thermal properties of concrete, inverse heat transfer problem, early age concrete, evolutionary algorithm, FEM,
Published
Dec 22, 2017
How to Cite
DŁUGOSZ, Adam et al. Identification of thermal properties of hardening concrete by means of evolutionary algorithms. Computer Assisted Methods in Engineering and Science, [S.l.], v. 24, n. 2, p. 101–111, dec. 2017. ISSN 2299-3649. Available at: <http://cames.ippt.gov.pl/index.php/cames/article/view/208>. Date accessed: 21 jan. 2018.
Section
Articles