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Nanomaterials in cementitious composites: review of durability performance

Nanomaterials in cementitious composites: review of durability performance Cementitious composites have been a preferred building material for different rehabilitation and construction purposes due to its strength, durability and versatility. However, the permeability of the composites poses a pathway for the ingress of moisture alongside detrimental ions which might subject it to various durability threats. Several methods have been developed over the decades about ways to reduce the permeability properties of cementitious composites and improve its overall durability. One of the effective ways to improve the durability of these cementitious composites gaining attention recently is the incorporation of nanomaterials to densify the composite’s matrix. As the application of nanomaterials in cementitious composites is relatively new, it is of great importance to understand how different nanomaterials affect the durability performance of cementitious composites. Therefore, this comprehensive overview is carried out to explore solely the durability properties investigated by various studies where nanomaterials were incorporated into various cementitious composites (i.e. paste, mortar and concrete). The durability properties explored include permeability, volumetric changes and resistance to various chemical and physical attacks. Discussions presented in this paper showed that the incorporation of nanomaterials into cementitious composites at certain dosages can be used to improve the durability performance. However, there is a critical need to not exceed the optimum dosages of nanomaterials as this will result in a detrimental effect on the durability performance of the cementitious composites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Nanomaterials in cementitious composites: review of durability performance

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References (44)

Publisher
Springer Journals
Copyright
Copyright © Springer Nature Switzerland AG 2020
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-020-00089-9
Publisher site
See Article on Publisher Site

Abstract

Cementitious composites have been a preferred building material for different rehabilitation and construction purposes due to its strength, durability and versatility. However, the permeability of the composites poses a pathway for the ingress of moisture alongside detrimental ions which might subject it to various durability threats. Several methods have been developed over the decades about ways to reduce the permeability properties of cementitious composites and improve its overall durability. One of the effective ways to improve the durability of these cementitious composites gaining attention recently is the incorporation of nanomaterials to densify the composite’s matrix. As the application of nanomaterials in cementitious composites is relatively new, it is of great importance to understand how different nanomaterials affect the durability performance of cementitious composites. Therefore, this comprehensive overview is carried out to explore solely the durability properties investigated by various studies where nanomaterials were incorporated into various cementitious composites (i.e. paste, mortar and concrete). The durability properties explored include permeability, volumetric changes and resistance to various chemical and physical attacks. Discussions presented in this paper showed that the incorporation of nanomaterials into cementitious composites at certain dosages can be used to improve the durability performance. However, there is a critical need to not exceed the optimum dosages of nanomaterials as this will result in a detrimental effect on the durability performance of the cementitious composites.

Journal

Journal of Building Pathology and RehabilitationSpringer Journals

Published: Jun 18, 2020

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