Consideration of Soil Temperature in the Modeling of Early-Age Mass Concrete Slab

Aneta Zmij*, Barbara Klemczak, Miguel Azenha, Dirk Schlicke

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Modeling the structural behavior of concrete at early ages is one of the most challenging, yet fundamental, tasks for civil engineers working on mass concrete. To obtain a reasonably accurate model, a number of factors should be taken into account. Considerations should include both external influences as well as the changes occurring in the complex structure itself. The modeling of an early-age concrete massive slab requires the proper assignment of initial conditions, including the initial temperature of the analyzed element and the adjacent structures. The temperature distribution in the subsoil is the factor analyzed in this paper. The aim of the study is the determination of the temperature distribution in the ground, which is useful in the process related to the acquisition of the most accurate model of the analyzed structure and reflects the actual conditions in the numerical model. For this purpose, the analytical method described in the literature was applied and subsequently evaluated on the basis of the numerical calculation. The performed calculations allow the estimation of the depth representing the range of the influence of the temperature in the ground and the values of the temperatures corresponding to the successive layers of the subsoil. Moreover, aiming the optimization of the numerical analysis of the massive foundation slab, the legitimacy of such detailed consideration of the temperature development in the underlying subsoil was evaluated by the comparison with the temperature distribution in the slab obtained with simplified consideration of the constant soil temperature.

Original languageEnglish
Article number022095
JournalIOP Conference Series: Materials Science and Engineering
Issue number2
Publication statusPublished - 18 Sept 2019
Event4th World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium, WMCAUS 2019 - Prague, Czech Republic
Duration: 17 Jun 201921 Jun 2019

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)


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