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An Extended Numerical Model of the First Exothermic Peak for Three Dimensional Printed Cement-Based Materials (2024-05)

10.1007/s11709-024-1036-8

 Jiang Wei, Li Wenqian, Chen Xi
Journal Article - Frontiers of Structural and Civil Engineering

Abstract

The first exothermic peak of cement-based material occurs a few minutes after mixing, and the properties of three dimensional (3D) printed concrete, such as setting time, are very sensitive to this. Against this background, based on the classical Park cement exothermic model of hydration, we propose and construct a numerical model of the first exothermic peak, taking into account the proportions of C3S, C3A and quicklime in particular. The calculated parameters are calibrated by means of relevant published exothermic test data. It is found that this developed model offers a good simulation of the first exothermic peak of hydration for C3S and C3A proportions from 0 to 100% of cement clinker and reflects the effect of quicklime content at 8%–10%. The unique value of this research is provision of an important computational tool for applications that are sensitive to the first exothermic peak of hydration, such as 3D printing.

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0 Citations

BibTeX 
@article{jian_li_chen.2024.AENMotFEPfTDPCBM,
  author            = "Wei Jiang and Wenqian Li and Xi Chen",
  title             = "An Extended Numerical Model of the First Exothermic Peak for Three Dimensional Printed Cement-Based Materials",
  doi               = "10.1007/s11709-024-1036-8",
  year              = "2024",
  journal           = "Frontiers of Structural and Civil Engineering",
}
Formatted Citation

W. Jiang, W. Li and X. Chen, “An Extended Numerical Model of the First Exothermic Peak for Three Dimensional Printed Cement-Based Materials”, Frontiers of Structural and Civil Engineering, 2024, doi: 10.1007/s11709-024-1036-8.

Jiang, Wei, Wenqian Li, and Xi Chen. “An Extended Numerical Model of the First Exothermic Peak for Three Dimensional Printed Cement-Based Materials”. Frontiers of Structural and Civil Engineering, 2024. https://doi.org/10.1007/s11709-024-1036-8.