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A REVIEW OF WASTE MATERIALS IN LOW COST CONSTRUCTION 4.pdf (387.49 kB)

Upcycling agricultural and plastic waste for sustainable construction: a review

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journal contribution
posted on 2023-01-18, 10:51 authored by Bilal Messahel, Nwakaego Onyenokporo, Emefa Takyie, Arash BeizaeeArash Beizaee, Muyiwa Oyinlola

The production of conventional construction materials such as concrete, cement, and bricks, has contributed significantly to the high environmental footprint associated with the construction industry. Moreover, there is a global push to deviate from the linear take-usedispose model to a circular economy model, which incorporates upcycling and reuse of materials. This paper reviews the application of agricultural and plastic wastes, in construction, exploring the performance of the resulting component using five key parameters: compressive strength, tensile strength, flexural strength, density, and thermal conductivity. The study showed that the compressive, tensile, and flexural strengths can be increased slightly by increasing waste content, however, this only occurs in a narrow range after which an increase in waste content reduces the mechanical strength. This reduced strength can be attributed to a weaker bond resulting from the increased waste content. It also suggests that components may not directly be nefit from the mechanical properties of waste materials. The waste materials resulted in a lower density which has implications for lightweight applications. Similarly, both waste materials were observed to improve the thermal insulation properties which is an advantage for improving thermal comfort in buildings. Despite the reduction in mechanical strength, it was observed that components with waste materials can be used for non-structural elements, thereby reducing the quantity and cost of new materials to be used. The application of these wastes in construction offers a pathway to reducing the environmental impact of construction, avoiding reliance on landfills for waste disposal, and reducing construction costs.

History

School

  • Architecture, Building and Civil Engineering

Published in

Environmental Technology Reviews

Volume

12

Issue

1

Pages

37-59

Publisher

Taylor & Francis

Version

  • AM (Accepted Manuscript)

Rights holder

© Taylor & Francis

Publisher statement

This is an Accepted Manuscript version of the following article, accepted for publication in Environmental Technology Reviews. Bilal Messahel, Nwakaego Onyenokporo, Emefa Takyie, Arash Beizaee & Muyiwa Oyinlola (2023) Upcycling agricultural and plastic waste for sustainable construction: a review, Environmental Technology Reviews, 12:1, 37-59, DOI: 10.1080/21622515.2023.2169642. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Acceptance date

2023-01-08

Publication date

2023-01-30

Copyright date

2023

ISSN

2162-2515

eISSN

2162-2523

Language

  • en

Depositor

Dr Arash Beizaee. Deposit date: 18 January 2023

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