Sustainable use of recycled glass powder as cement replacement in concrete

Tamanna, Nafisa, and Tuladhar, Rabin (2020) Sustainable use of recycled glass powder as cement replacement in concrete. The Open Waste Management Journal, 13. pp. 1-13.

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This paper introduces a sustainable way of using Recycled Glass Powder (RGP) as a cement replacement in concrete. In Australia, almost one million tons of glass waste is collected annually for recycling purpose. However, the inconsistency in chemical composition and the presence of impurities make glass recycling process difficult. Besides, the lack of local recycling plants coupled with high transportation costs makes the recycling process expensive.For the successful use of recycled glass in concrete for industrial applications, it is therefore, important to characterize the physical and chemical properties of recycled glass collected by the local councils. Furthermore, the effects of replacement levels of cement with recycled glass on the strength and durability properties of concrete need to be assessed as well.Mechanical strength and durability properties of concrete with 10%, 20% and 30% of RGP as a partial cement replacement were tested and compared with typical concrete and fly ash blend concrete. The relative strength test of mortar was conducted to assess the reactivity of glass powder with the cement.RGP concrete showed an improvement in strength over time like fly ash. Using RGP significantly improved the resistance against chloride penetration with increasing glass powder content. Furthermore, RGP also met the relative strength requirement as per Australian Standard requirement to be considered as a supplementary cementitious material.This research showed that the use of RGP as cement replacement is feasible for replacement level up to 10%. The outcome of this research aims to contribute towards sustainable development by reducing the consumption of cement, as well as reduction of glass waste going into landfill.

Item ID: 62929
Item Type: Article (Scholarly Work)
ISSN: 1876-4002
Keywords: Recycled glass powder, Sustainable concrete, Supplementary cementitious material, pozzolanic reaction
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Copyright Information: © 2020 Tamanna and Tuladhar. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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A version of this publication was included as Chapter 4 of the following PhD thesis: Tamanna, Nafisa (2020) Use of waste glass as aggregate and cement replacement in concrete. PhD thesis, James Cook University, which is available Open Access in ResearchOnline@JCU. Please see the Related URLs for access.

Date Deposited: 12 Jul 2022 02:11
FoR Codes: 40 ENGINEERING > 4005 Civil engineering > 400505 Construction materials @ 60%
40 ENGINEERING > 4005 Civil engineering > 400510 Structural engineering @ 40%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 60%
87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870399 Construction Materials Performance and Processes not elsewhere classified @ 40%
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