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Correction published on 8 March 2022, see Polymers 2022, 14(6), 1068.
Review

Waste Glass in Cement and Geopolymer Concretes: A Review on Durability and Challenges

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School of Civil and Environmental Engineering, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
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Department of Civil Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
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Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
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Centre for Future Materials, University of Southern Queensland, Toowoomba, QLD 4350, Australia
*
Authors to whom correspondence should be addressed.
Academic Editor: Ignazio Blanco
Polymers 2021, 13(13), 2071; https://doi.org/10.3390/polym13132071
Received: 26 May 2021 / Revised: 19 June 2021 / Accepted: 20 June 2021 / Published: 24 June 2021 / Corrected: 8 March 2022
(This article belongs to the Special Issue Geopolymers - Design, Preparation, Applications)
Every year, the world is producing around 100 million tons of waste glass (WG), the majority of them are going to landfills that create massive environmental problems. One approach to solve this problem is to transform waste glass into construction materials. Glass is recyclable; however, the melting temperature of the glass is highly dependent on its colour that requires sorting before recycling. To overcome this challenge, many researchers and end-users are using broken glass in concrete either as a binder or aggregates. While significant investigations have done in this area, however, the outcomes of these studies are scattered, and difficult to reach a firm conclusion about the effectiveness of WG in concrete. In this study, the roles of WG and its impact on microstructural and durability properties for both cement and geopolymer concrete are critically reviewed. This review reveals that the amorphous silica in WG effectively participate to the hydration and geopolymerization process and improve concrete microstructural properties. This behaviour of WG help to produce durable concrete against shrinkage, chemical attack, freeze-thaw action, electrical and thermal insulation properties. The optimum replacement volume of binders or natural aggregates and particle size of WG need to be selected carefully to minimise the possible alkali-silica reaction. This review discusses a wide range of parameters for durability properties and challenges associated with WG concrete, which provides necessary guidelines for best practice with future research directions. View Full-Text
Keywords: waste glass; alkali-activated cement; aggregate; activator; durability; challenges waste glass; alkali-activated cement; aggregate; activator; durability; challenges
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MDPI and ACS Style

Siddika, A.; Hajimohammadi, A.; Mamun, M.A.A.; Alyousef, R.; Ferdous, W. Waste Glass in Cement and Geopolymer Concretes: A Review on Durability and Challenges. Polymers 2021, 13, 2071. https://doi.org/10.3390/polym13132071

AMA Style

Siddika A, Hajimohammadi A, Mamun MAA, Alyousef R, Ferdous W. Waste Glass in Cement and Geopolymer Concretes: A Review on Durability and Challenges. Polymers. 2021; 13(13):2071. https://doi.org/10.3390/polym13132071

Chicago/Turabian Style

Siddika, Ayesha, Ailar Hajimohammadi, Md. Abdullah Al Mamun, Rayed Alyousef, and Wahid Ferdous. 2021. "Waste Glass in Cement and Geopolymer Concretes: A Review on Durability and Challenges" Polymers 13, no. 13: 2071. https://doi.org/10.3390/polym13132071

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