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Advancements in bacteria based self-healing concrete and the promise of modelling

Bagga, Manpreet, Hamley-Bennett, Charlotte, Alex, Aleena, Freeman, Brubeck Lee, Justo-Reinoso, Ismael, Mihai, Iulia C ORCID: https://orcid.org/0000-0002-6725-2048, Gebhard, Susanne, Paine, Kevin, Jefferson, Anthony ORCID: https://orcid.org/0000-0002-2050-2521, Masoero, Enrico and Ofiteru, Irina D 2022. Advancements in bacteria based self-healing concrete and the promise of modelling. Construction and Building Materials 358 , 129412. 10.1016/j.conbuildmat.2022.129412

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Abstract

In the last two decades self-healing of concrete through microbial based carbonate precipitation has emerged as a promising technology for making concrete structures more resilient and sustainable. Currently, progress in the field is achieved mainly through physical experiments, but their duration and cost are barriers to innovation and keep the number of large scale applications still very limited. Modelling and simulation of the phenomena underlying microbial based healing of concrete may provide a key to complement the experimental efforts, but their development is still in its infancy. In this review, we briefly present the field, introduce some key aspects emerged from the experiments, present the main ongoing developments in modelling and simulation of mineral and microbial systems, and discuss how their synergy may be accomplished to speed up progress in the near future.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: Elsevier
ISSN: 0950-0618
Funders: UKRI-EPSRC
Date of First Compliant Deposit: 20 October 2022
Date of Acceptance: 8 October 2022
Last Modified: 24 Oct 2022 11:15
URI: https://orca.cardiff.ac.uk/id/eprint/153594

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