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Mechanical strength and durability of mineral admixture concrete subjected to accelerated carbonation

Mechanical strength and durability of mineral admixture concrete subjected to accelerated... AbstractBased on the experimental evaluation of blended cement concretes, its vulnerability to the potential carbonation threats have been discussed in this paper. Water binder ratios of 0.35, 0.50, and 0.65 have been adopted to study the mechanical properties and durability of the concrete mixes exposed to accelerated carbonation. Equations to predict the depth of carbonation under controlled conditions for these mixes have been established. The reliability of square root t law of diffusion to address the ingress of carbon dioxide into concrete has also been studied. Furthermore, conclusions have been drawn that the addition of fly ash and blast furnace slag as a partial replacement of cement decreased the carbonation resistance of concrete unless a water binder ratio of 0.35 is used, in which case the depth of carbonation remained almost same. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Structural Integrity and Maintenance Taylor & Francis

Mechanical strength and durability of mineral admixture concrete subjected to accelerated carbonation

Mechanical strength and durability of mineral admixture concrete subjected to accelerated carbonation

Journal of Structural Integrity and Maintenance , Volume 3 (1): 8 – Jan 2, 2018

Abstract

AbstractBased on the experimental evaluation of blended cement concretes, its vulnerability to the potential carbonation threats have been discussed in this paper. Water binder ratios of 0.35, 0.50, and 0.65 have been adopted to study the mechanical properties and durability of the concrete mixes exposed to accelerated carbonation. Equations to predict the depth of carbonation under controlled conditions for these mixes have been established. The reliability of square root t law of diffusion to address the ingress of carbon dioxide into concrete has also been studied. Furthermore, conclusions have been drawn that the addition of fly ash and blast furnace slag as a partial replacement of cement decreased the carbonation resistance of concrete unless a water binder ratio of 0.35 is used, in which case the depth of carbonation remained almost same.

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References (43)

Publisher
Taylor & Francis
Copyright
© 2018 Korea Institute for Structural Maintenance and Inspection
ISSN
2470-5322
eISSN
2470-5314
DOI
10.1080/24705314.2018.1426170
Publisher site
See Article on Publisher Site

Abstract

AbstractBased on the experimental evaluation of blended cement concretes, its vulnerability to the potential carbonation threats have been discussed in this paper. Water binder ratios of 0.35, 0.50, and 0.65 have been adopted to study the mechanical properties and durability of the concrete mixes exposed to accelerated carbonation. Equations to predict the depth of carbonation under controlled conditions for these mixes have been established. The reliability of square root t law of diffusion to address the ingress of carbon dioxide into concrete has also been studied. Furthermore, conclusions have been drawn that the addition of fly ash and blast furnace slag as a partial replacement of cement decreased the carbonation resistance of concrete unless a water binder ratio of 0.35 is used, in which case the depth of carbonation remained almost same.

Journal

Journal of Structural Integrity and MaintenanceTaylor & Francis

Published: Jan 2, 2018

Keywords: Accelerated carbonation; blast furnace slag; coefficient of carbonation; fly ash; scanning electron microscopy

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