The binder-aggregate interface in NHL mortar with non-calcitic aggregate: Physical properties

Alan Mark Forster; Lee Masson; Benny Suryanto; Phillip Frank Gower Banfill; Clare Torney; Jan Valek

doi:10.1016/j.conbuildmat.2023.132349

The binder-aggregate interface in NHL mortar with non-calcitic aggregate: Physical properties

Alan Mark Forster, Lee Masson, Benny Suryanto, Phillip Frank Gower Banfill, Clare Torney, Jan Valek

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Abstract

In the absence of resources of calcitic aggregates this work aimed to confirm the suitability of Scottish aggregates in NHL mortar. Strength, sorptivity, porosity and carbonation of mortars made with one siliceous and one felsic (granitic) aggregate have been studied. The results suggest that there are no technical barriers to their use and that environmental and philosophical considerations reveal positive benefits. The measured properties all depend on the relative volume proportions of binder and aggregate, even at constant water/binder ratio and the trends can be explained by considering the behaviour at the binder-aggregate interface.

Original language	English
Article number	132349
Journal	Construction and Building Materials
Volume	398
Early online date	17 Jul 2023
DOIs	https://doi.org/10.1016/j.conbuildmat.2023.132349
Publication status	Published - 22 Sept 2023

Keywords

Binder-aggregate interface
Felsic aggregate
Mortar
Natural hydraulic lime
Siliceous aggregate

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Materials Science(all)

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10.1016/j.conbuildmat.2023.132349Licence: CC BY

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© 2023 The Author(s). This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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abstract = "In the absence of resources of calcitic aggregates this work aimed to confirm the suitability of Scottish aggregates in NHL mortar. Strength, sorptivity, porosity and carbonation of mortars made with one siliceous and one felsic (granitic) aggregate have been studied. The results suggest that there are no technical barriers to their use and that environmental and philosophical considerations reveal positive benefits. The measured properties all depend on the relative volume proportions of binder and aggregate, even at constant water/binder ratio and the trends can be explained by considering the behaviour at the binder-aggregate interface. ",

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AU - Masson, Lee

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AU - Banfill, Phillip Frank Gower

AU - Torney, Clare

AU - Valek, Jan

PY - 2023/9/22

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AB - In the absence of resources of calcitic aggregates this work aimed to confirm the suitability of Scottish aggregates in NHL mortar. Strength, sorptivity, porosity and carbonation of mortars made with one siliceous and one felsic (granitic) aggregate have been studied. The results suggest that there are no technical barriers to their use and that environmental and philosophical considerations reveal positive benefits. The measured properties all depend on the relative volume proportions of binder and aggregate, even at constant water/binder ratio and the trends can be explained by considering the behaviour at the binder-aggregate interface.

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KW - Natural hydraulic lime

KW - Siliceous aggregate

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JO - Construction and Building Materials

JF - Construction and Building Materials

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ER -

The binder-aggregate interface in NHL mortar with non-calcitic aggregate: Physical properties

Abstract

Keywords

ASJC Scopus subject areas

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