Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Self-healing capability of concrete with crystalline admixtures in different environments
Graphical abstract Display Omitted
Highlights A permeability-based methodology to measure self-healing process is proposed. Morphological characteristics of crack as self-healing parameters are analyzed. Water presence is essential for both, autogenous and crystalline-based healing. Crystalline admixtures give a more stable and better behavior for self-healing.
Abstract The aim of this study is analyzing the self-healing effect of a crystalline admixture in four types of environmental exposure comparing with a reference concrete. Healing was studied by means of permeability tests on cracked specimens and physical closing of the crack was observed by optic microscope and quantified through crack geometrical parameters. The studied crack openings were under 300μm and the time set for healing was 42days. The results show a different healing behavior depending on the exposure and the presence of the crystalline admixture, demonstrating that the presence of water is necessary for the healing reactions.
Self-healing capability of concrete with crystalline admixtures in different environments
Graphical abstract Display Omitted
Highlights A permeability-based methodology to measure self-healing process is proposed. Morphological characteristics of crack as self-healing parameters are analyzed. Water presence is essential for both, autogenous and crystalline-based healing. Crystalline admixtures give a more stable and better behavior for self-healing.
Abstract The aim of this study is analyzing the self-healing effect of a crystalline admixture in four types of environmental exposure comparing with a reference concrete. Healing was studied by means of permeability tests on cracked specimens and physical closing of the crack was observed by optic microscope and quantified through crack geometrical parameters. The studied crack openings were under 300μm and the time set for healing was 42days. The results show a different healing behavior depending on the exposure and the presence of the crystalline admixture, demonstrating that the presence of water is necessary for the healing reactions.
Self-healing capability of concrete with crystalline admixtures in different environments
Roig-Flores, M. (Autor:in) / Moscato, S. (Autor:in) / Serna, P. (Autor:in) / Ferrara, L. (Autor:in)
Construction and Building Materials ; 86 ; 1-11
23.03.2015
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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