A large-scale demonstration and sustainability evaluation of ductile-porous vascular networks for self-healing concrete

Yasmina Shields; Davide di Summa; Nicolas Ospitia; Gontran Herrier; Erik Schlangen; Tony Jefferson; Nele De Belie; Kim Van Tittelboom

doi:10.1016/j.jobe.2024.110040

A large-scale demonstration and sustainability evaluation of ductile-porous vascular networks for self-healing concrete

Yasmina Shields, Davide di Summa, Nicolas Ospitia, Gontran Herrier, Erik Schlangen, Tony Jefferson, Nele De Belie, Kim Van Tittelboom

Mechanics of Materials and Constructions

Research output: Contribution to journal › Article › peer-review

Abstract

Self-healing cementitious materials show potential to reduce material consumption, maintenance costs, and environmental impacts within the construction sector. This study explores the feasibility of installing a ductile-porous vascular network in a series of retaining walls under realistic construction conditions, with the objective of both assessing the efficacy of the self-healing system and addressing any constructability issues that may arise. Numerical modelling was performed first to determine a suitable mix design and wall configuration that would promote cracking, so cracks would appear without mechanical intervention. The predicted crack distribution informed the optimal network configuration. Healing and sustainability considerations are discussed, and the benefits of implementing this technology are evaluated. When comparing a single maintenance activity using a vascular network versus manual repair, there is no significant benefit of using a vascular network. However, environmental impacts are substantially reduced when using a vascular network once multiple repair actions are considered.

Original language	English
Article number	110040
Number of pages	19
Journal	Journal of Building Engineering
Volume	95
DOIs	https://doi.org/10.1016/j.jobe.2024.110040
Publication status	Published - Oct 2024

Bibliographical note

Funding Information:
Aid in the planning and construction from the BESIX personnel and the Henneaulaan Bridge project team is gratefully acknowledged, particularly from: Gontran Herrier, Jaques van Niekerk, and Christoph Klingeleers. Technical assistance from the Magnel-Vandepitte Laboratory is also acknowledged, particularly from Nathan Lampens, Dieter Hillewaere, Stefan De Bock, and Lennert Cruypeninck. This work acknowledges funding from the SMARTINCS project. This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sk\u0142odowska-Curie grant agreement no. 860006.

Funding Information:
This work acknowledges funding from the SMARTINCS project. This project has received funding from the European Union\u2019s Horizon 2020 research and innovation programme under the Marie Sk\u0142odowska-Curie grant agreement no. 860006.

Publisher Copyright:
© 2024 Elsevier Ltd

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10.1016/j.jobe.2024.110040

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title = "A large-scale demonstration and sustainability evaluation of ductile-porous vascular networks for self-healing concrete",

abstract = "Self-healing cementitious materials show potential to reduce material consumption, maintenance costs, and environmental impacts within the construction sector. This study explores the feasibility of installing a ductile-porous vascular network in a series of retaining walls under realistic construction conditions, with the objective of both assessing the efficacy of the self-healing system and addressing any constructability issues that may arise. Numerical modelling was performed first to determine a suitable mix design and wall configuration that would promote cracking, so cracks would appear without mechanical intervention. The predicted crack distribution informed the optimal network configuration. Healing and sustainability considerations are discussed, and the benefits of implementing this technology are evaluated. When comparing a single maintenance activity using a vascular network versus manual repair, there is no significant benefit of using a vascular network. However, environmental impacts are substantially reduced when using a vascular network once multiple repair actions are considered.",

author = "Yasmina Shields and Summa, {Davide di} and Nicolas Ospitia and Gontran Herrier and Erik Schlangen and Tony Jefferson and Belie, {Nele De} and Tittelboom, {Kim Van}",

note = "Funding Information: Aid in the planning and construction from the BESIX personnel and the Henneaulaan Bridge project team is gratefully acknowledged, particularly from: Gontran Herrier, Jaques van Niekerk, and Christoph Klingeleers. Technical assistance from the Magnel-Vandepitte Laboratory is also acknowledged, particularly from Nathan Lampens, Dieter Hillewaere, Stefan De Bock, and Lennert Cruypeninck. This work acknowledges funding from the SMARTINCS project. This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sk\u0142odowska-Curie grant agreement no. 860006. Funding Information: This work acknowledges funding from the SMARTINCS project. This project has received funding from the European Union\u2019s Horizon 2020 research and innovation programme under the Marie Sk\u0142odowska-Curie grant agreement no. 860006. Publisher Copyright: {\textcopyright} 2024 Elsevier Ltd",

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AU - Jefferson, Tony

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A large-scale demonstration and sustainability evaluation of ductile-porous vascular networks for self-healing concrete

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