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Multi-physical and multi-scale deterioration modelling of re-inforced concrete: modelling corrosion-induced concrete damage
In this paper, corrosion-induced damage is investigated by means of numerical simula-tions utilizing a coupled lattice and finite element method (FEM) modelling approach. While the reinforcement and corrosion product domain are discretized by the FEM, a lattice approach is used for the discretization of the concrete domain. To model the expansive nature of solid corrosion products, a thermal analogy is used. The modelling approach further accounts for the penetration of solid corrosion products into the available pore space of the surrounding cementitious materials and non-uniform distribution of corrosion products along the circumference of the reinforcement. Final-ly, results of numerical simulations in terms of corrosion-induced deformations and cracking are compared to experimental data obtained by digital image correlation and published in the literature.
Multi-physical and multi-scale deterioration modelling of re-inforced concrete: modelling corrosion-induced concrete damage
In this paper, corrosion-induced damage is investigated by means of numerical simula-tions utilizing a coupled lattice and finite element method (FEM) modelling approach. While the reinforcement and corrosion product domain are discretized by the FEM, a lattice approach is used for the discretization of the concrete domain. To model the expansive nature of solid corrosion products, a thermal analogy is used. The modelling approach further accounts for the penetration of solid corrosion products into the available pore space of the surrounding cementitious materials and non-uniform distribution of corrosion products along the circumference of the reinforcement. Final-ly, results of numerical simulations in terms of corrosion-induced deformations and cracking are compared to experimental data obtained by digital image correlation and published in the literature.
Multi-physical and multi-scale deterioration modelling of re-inforced concrete: modelling corrosion-induced concrete damage
Michel, Alexander (author) / Lepech, Michael (author) / Stang, Henrik (author) / Geiker, Mette (author)
2016-01-01
Michel , A , Lepech , M , Stang , H & Geiker , M 2016 , Multi-physical and multi-scale deterioration modelling of re-inforced concrete: modelling corrosion-induced concrete damage . in Proceedings of the 9th International Conference on Fracture Mechanics of Concrete and Concrete Structures . pp. 1-12 , 9th International Conference on Fracture Mechanics of Concrete and Concrete Structures , Berkeley, CA , United States , 29/05/2016 .
Article (Journal)
Electronic Resource
English
Multi-physics , Multi-scale , Deterioration , Lattice , FEM , Fracture
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