A review of the mechanical properties and durability of concrete containing recycled seashells as a partial cement replacement

Hasan, Kamrul and Karim, Ahasanul and Islam, Md. Toriqule and Ali, Muaz and Rahman, Md. Towsikur and Rahman, Md. Mahfuzur and Fadzil, Mat Yahaya (2023) A review of the mechanical properties and durability of concrete containing recycled seashells as a partial cement replacement. Journal of Material Cycles and Waste Management, 25. pp. 3192-3216. ISSN 1611-8227. (Published)

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The concrete industry consumes a significant number of natural resources and emits hazardous gases into the atmosphere, such as carbon dioxide for cement production, which influences global warming and climate change. Therefore, many attempts have been made to develop green and eco-friendly concrete from various waste materials. Seashells are one of these waste products that accumulate on beaches and landfills, which causes environmental problems. This review assesses the usage of multiple types of seashell waste materials in concrete as a partial cement replacement. The performance of seashell powder in concrete was also evaluated in terms of fresh concrete properties, mechanical properties, durability, and other factors. According to this study, using seashells as a cement replacement improves concrete setting time, diminishes workability, and increases density due to curing age. The mechanical properties of concrete, such as compressive strength and modulus of elasticity, generally decrease as the shell content increases. However, adding admixtures and applying chemical treatment can improve concrete’s mechanical properties and durability. Nevertheless, adding up to 25% of cockle shells in concrete can reduce water permeability. Thus, it is demonstrated that using seashells in concrete as a cement replacement might have the potential to produce sustainable green building materials.

Item Type: Article
Uncontrolled Keywords: Cement replacement, Seashells, Fresh concrete properties, Mechanical properties, Durability
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Faculty/Division: Institute of Postgraduate Studies
Faculty of Civil Engineering Technology
Depositing User: Noorul Farina Arifin
Date Deposited: 22 Sep 2023 08:37
Last Modified: 29 Feb 2024 02:58
URI: http://umpir.ump.edu.my/id/eprint/38661
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