Adu-Amankwah, S orcid.org/0000-0002-0568-2093, Rahmon, S and Black, L orcid.org/0000-0001-8531-4989 (2022) From composition to the microstructure and durability of limestone ternary blended cements: A Systematic review. Advances in Cement Research, 34 (5). pp. 206-224. ISSN 0951-7197
Abstract
Limestone ternary cements have attracted significant research and commercial attention recently, for technical and environmental reasons. Standardization of these cements is imminent under BS EN197-5. Presently, detailed understanding of the hydration and microstructure evolution of limestone ternary cements from different alumina-rich supplementary cementitious materials (SCMs) exists in the scientific literature; improved reaction kinetics and additional phase assemblages refine the pore structure. However, understanding of the performance of these cements under exposure conditions is less prevalent. In this contribution, we review these data in a way that allows stakeholders to appreciate the capabilities of the different compositions and their performance. We focus our discussion on critically examining the interplay between the cement composition and the microstructure on durability. It is demonstrated that limestone ternary cements offer a pathway for reducing the embodied CO2 of concrete without compromising their performance. The resistance to chloride ingress, sulphate attack and ASR are significantly improved in a manner similar to binary cements. Carbonation and freeze-thaw resistance is generally lower than OPC but adequate air entrainment can offer improvement in freeze-thaw resistance. The challenge to widespread adoption of these cements is evidence of durability under field conditions. To this end, we recommend large-scale field trialling of these cements and understanding of the role of combined exposures on durability and mechanical properties.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2021 ICE Publishing, all rights reserved. This is an author produced version of a review published in Advances in Cement Research. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | coupled exposure; Durability; limestone; low carbon cement; microstructure; ternary cement |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Civil Engineering (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 05 Jan 2022 12:48 |
Last Modified: | 15 Dec 2022 01:13 |
Status: | Published |
Publisher: | ICE Publishing |
Identification Number: | 10.1680/jadcr.21.00075 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:181783 |