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The application of a curing front model to simulate healing in a cementitious microbial system

Jefferson, Anthony ORCID: and Freeman, Brubeck 2023. The application of a curing front model to simulate healing in a cementitious microbial system. Presented at: SMARTINCS’23 Conference on Self-Healing, Multifunctional and Advanced Repair Technologies in Cementitious Systems, 22-23 May 2023. MATEC Web of Conferences. , vol.378 EDP Sciences, 10.1051/matecconf/202337809001

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This study investigates the ability of a coupled finite element model to simulate Microbially Induced Calcium Carbonate Precipitation (MICP) and associated healing behaviour in cementitious samples. This recent coupled 3D model was first developed for simulating the behaviour of autonomic healing systems in cementitious structural elements. It employs a cohesive zone constitutive model for simulating the damage-healing behaviour of an embedded interface within 3D continuum elements. Fluid flow is simulated using a mass balance equation and Darcy’s law. Healing is computed via a generalised curing front model that simulates the accumulation of healed material within a crack. The research reported in this article demonstrates that the curing front model can be calibrated to predict healing from MICP in cementitious specimens with good accuracy.

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: EDP Sciences
ISSN: 2261-236X
Date of First Compliant Deposit: 26 June 2023
Last Modified: 26 Jun 2023 11:30

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