Towards multiscale modeling of the interaction between transport and fracture in concrete

  • Pietro Carrara Institut für Angewandte Mechanik Technische Universität Braunschweig Bienroder Weg 87 38106 Braunschweig
  • Tao Wu Institut für Angewandte Mechanik Technische Universität Braunschweig Bienroder Weg 87 38106 Braunschweig
  • Roland Kruse Institut für Angewandte Mechanik Technische Universität Braunschweig Bienroder Weg 87 38106 Braunschweig
  • Laura De Lorenzis Institut für Angewandte Mechanik Technische Universität Braunschweig Bienroder Weg 87 38106 Braunschweig
Keywords: Diffusion and binding, Fracture mechanics, Multiscale analyses, Phase-field modeling, simulated microstructures

Abstract

Transport, fracture and their interaction in concrete are complex phenomena of great practical relevance for the durability of civil engineering structures. Due to the heterogeneous nature of the materials, encompassing a wide range of length scales, multiscale approaches are essential. In this paper, we outline some recent research results and open issues in this field. First, we present a microscale model which aims at simulating chloride diffusion and binding in cement. Then, we outline a mesoscale model addressing coupling between cracking and diffusion. Finally, we discuss open issues in the acquisition of the mesoscale geometry from X-ray computed tomography techniques.

Geometry of the samples
Published
2016-12-21
How to Cite
Carrara, P., Wu, T., Kruse, R. and De Lorenzis, L. (2016) “Towards multiscale modeling of the interaction between transport and fracture in concrete”, RILEM Technical Letters, 10, pp. 94-101. doi: 10.21809/rilemtechlett.2016.21.
Section
Articles