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Green concrete: A review of recent developments

Sivakrishna, A. and Adesina, Adeyemi and Awoyera, P. O. and Kumar, K. Rajesh (2020) Green concrete: A review of recent developments. Materials Today: Proceedings, 27. pp. 54-58.

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So much innovations have ensued in the concrete industry in the last decade, especially in terms of ensuring concrete sustainability and its green initiatives. A call for sustainability is imminent in the industry as the production of ordinary Portland cement (OPC) which is the main binder of concrete contributes about 8% to the world’s human-induced carbon dioxide emission. In addition, the production of concrete has posed a huge threat on natural deposits of raw materials. With billions of tons of concrete expected to be produced in the coming years to meet our infrastructure demand, it is critical for other alternatives to be considered for concrete production. Such alternatives mostly fit as partial or total replacement of OPC and aggregates. This paper explored the sustainable advantage of alkali-activated binders, supplementary cementitious materials, and recycled materials as raw materials in concrete. This short review has shown that it is possible to achieve a greener concrete with enhanced properties compared to the conventional concrete with the use of new materials. Also, on the ground of economic importance, the new materials were found to have better performance than the conventional ones.

Item Type: Article
Uncontrolled Keywords: Sustainability Green materials Hydration Concrete Ordinary Portland ce
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Mrs Patricia Nwokealisi
Date Deposited: 20 Jan 2021 19:14
Last Modified: 20 Jan 2021 19:14

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