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Research progress on numerical models for self‐healing cementitious materials

Jefferson, Anthony, Javierre, E., Freeman, Brubeck, Zaoui, A., Koenders, E. and Ferrara, L. 2018. Research progress on numerical models for self‐healing cementitious materials. Advanced Materials Interfaces 5 (17) , 1701378. 10.1002/admi.201701378

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Abstract

The paper discusses research progress on numerical models for self-healing cementitious materials (SHCMs). The paper considers models developed specifically for SHCMs, as well as other relevant work. This article provides a summary of current self-healing techniques along with descriptions of the processes that govern their behaviour. The paper discusses models for mechanical self-healing, transport processes in materials with embedded healing systems, fully coupled models and other modelling techniques used to simulate SH behaviour. The mechanics models discussed include those based on continuum-damage-healing mechanics (CDHM), micro-mechanics, as well as models that use discrete elements and particle methods. A considerable section is devoted to the simulation of carbonation in concrete since the essential mechanisms that govern this process are applicable to SH systems that employ calcite as a healing material. A number of transport models for simulating early-age self-healing are also considered. The paper highlights the fact that there are currently very few papers that describe fully-coupled models, although a number of approaches that couple some aspects of transport and mechanical healing behaviour are discussed. This article closes with a discussion that highlights the fact that many models have been presented with limited or no experimental validation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Publisher: Wiley
ISSN: 2196-7350
Date of First Compliant Deposit: 19 March 2019
Date of Acceptance: 24 January 2018
Last Modified: 30 Jun 2019 21:51
URI: http://orca.cf.ac.uk/id/eprint/120932

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