A novel 2D vascular network in cementitious materials

Davies, Robert Elfed ORCID: https://orcid.org/0000-0001-5949-4939, Jefferson, Anthony ORCID: https://orcid.org/0000-0002-2050-2521, Lark, Robert ORCID: https://orcid.org/0000-0002-1796-5321 and Gardner, Diane ORCID: https://orcid.org/0000-0002-2864-9122 2015. A novel 2D vascular network in cementitious materials. Presented at: fib Symposium 2015, Copenhagen, Denmark, 18-20 May 2015. fib Symposium. fib. The International Federation for Structural Concrete, pp. 249-250.

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Abstract

An experimental study is presented on a novel 2D vascular network in samples of cementitious materials. This network, described in the present contribution, is formed during the casting process using heat shrink tubing or polyurethane tubing, which is removed after setting to leave permanent channels with no additional materials left in-situ. This paper presents results from a laboratory investigation in which the impact of channel size, length and arrangement, along with supply pressure, different types of healing agents, as well as different bespoke connection joints is assessed. The focus is to maintain a multi-use network that can be re-used over the lifetime of a structure, with the primary aim being to enhance and enable multi-scale healing in cementitious materials.

Item Type:	Conference or Workshop Item - published (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	fib. The International Federation for Structural Concrete
ISSN:	2617-4820
Funders:	EPSRC
Projects:	Materials for Life
Date of First Compliant Deposit:	30 March 2016
Last Modified:	08 Oct 2026 13:34
URI:	https://orca.cardiff.ac.uk/id/eprint/86643

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