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A COUPLED TRANSPORT-REACTION MODEL FOR SIMULATING AUTOGENOUS SELF-HEALING IN CEMENTITIOUS MATERIALS – PART I: THEORY



Author(s): Haoliang Huang, Guang Ye and Denis Damidot
Book Title: RILEM International Symposium on Concrete Modelling - CONMOD 2014
Editor: Kefei Li, Peiyu Yan and Rongwei Yang
ISBN: 978-2-35158-139-1
e-ISBN: 978-2-35158-140-7
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 135-143
Total Pages: 9
Language: English


Abstract: In this study, a coupled transport-reaction model is developed for simulating autogenous self-healing in cementitious materials. The diffusion of ions between the solution in the crack and in the bulk paste is simulated with a transport model. The concentration of ions in the crack can be calculated. The chemical reactions taking place in the crack are simulated by a thermodynamic model. With the thermodynamic model, the amount of reaction products formed in the crack and the remaining ion concentrations after the chemical reactions can be determined. In this way, autogenous self-healing in cementitious materials is simulated iteratively.


Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00


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