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The efficiency of bio-self-healing concrete within ground conditions

Objective

Concrete is the most used construction material worldwide for infrastructure projects. Due to deterioration, regular maintenance works are necessary to seal the concrete cracks and restore durability. In Europe, infrastructures such as tunnels and earth retaining walls alone cost approximately 5 billion EUR per year. Self-healing strategies (particularly bacterial-based self-healing) are regarded as a promising solution to reduce the high maintenance and repair cost of concrete infrastructures. It is believed if self-healing concrete had been used for all these structures, up to 120 million EUR could be saved annually on their maintenance. The research to date has tended to focus on the self-healing process in air or water environment. However, infrastructures (i.e. bridges, buildings, tunnels) are built on or in the ground, where part of their concrete structures are inevitably embedded in soil environment with all sorts of ground conditions such as different types of soil, saturation regimes, and chemical exposures. It is not clear if the process of self-healing is efficient within concrete elements exposed to such complicated ground conditions.
The project aims to explore the efficiency of the bacterial-based self-healing (bio-hydrogels) in underground concrete structures. By using a novel interdisciplinary approach, the research combines state-of-the-art technologies applied in materials/concrete, geotechnical engineering, and microbiology to conduct a series of lab-scale experiments on mortar specimens incubated within various soil environments. Purpose-built experimental tools are used to investigate the effect of several factors including the type of soil, saturation regime and class of (chemical) exposures, on the bio-self-healing process. The outcomes of this research are highly relevant to the construction industry and the knowledge produced by the project will have an economic, financial and societal impact in EU and other regions.

Fields of science (EuroSciVoc)

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Programme(s)

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Topic(s)

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Funding Scheme

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MSCA-IF-EF-CAR - CAR – Career Restart panel

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Call for proposal

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(opens in new window) H2020-MSCA-IF-2017

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Coordinator

UNIVERSITY OF DERBY
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 195 454,80
Address
KEDLESTON ROAD
DE22 1GB Derby
United Kingdom

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Region
East Midlands (England) Derbyshire and Nottinghamshire Derby
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 195 454,80
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