MJ Al-Kheetan
Sustainable valorisation of silane-treated waste glass powder in concrete pavement
Al-Kheetan, MJ; Byzyka, J; Ghaffar, SH
Authors
J Byzyka
SH Ghaffar
Contributors
E Bocci
Editor
Abstract
This research presents new insights into the utilisation of waste glass powder in concrete pavements. Two different types of glass powder were used as a partial replacement for sand: 10% neat glass powder (untreated) and 10% silane-treated glass powder. The interfacial bonding properties, physical properties, and mechanical properties of concrete pavement were assessed at 7 and 28 days. Results exposed a reduction of 5% and 2% in the compressive and flexural strengths, respectively, and an increase of 15% in water absorption after the addition of neat glass powder to concrete after 7 days of curing. This is due to weak interfacial bonding between the glass powder and cementitious matrix. However, the incorporation of silane-coated glass powder led to an increase in the compressive and flexural strengths by more than 22% and 28%, respectively, and reduced the water absorption of concrete by 8%, due to the coupling functionality of silane. After 28 days of curing, the compressive strength of concrete increased by 15% and 22% after the addition of neat glass powder and silane-treated glass powder, respectively. In addition, water absorption dropped by 5% and 7% after the incorporation of neat glass powder and silane-treated glass powder.
Citation
Al-Kheetan, M., Byzyka, J., & Ghaffar, S. (2021). Sustainable valorisation of silane-treated waste glass powder in concrete pavement. Sustainability, 13(9), 4949. https://doi.org/10.3390/su13094949
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 26, 2021 |
Publication Date | Apr 28, 2021 |
Deposit Date | Apr 28, 2021 |
Publicly Available Date | Apr 28, 2021 |
Journal | Sustainability |
Publisher | MDPI |
Volume | 13 |
Issue | 9 |
Pages | 4949 |
DOI | https://doi.org/10.3390/su13094949 |
Publisher URL | https://doi.org/10.3390/su13094949 |
Related Public URLs | http://www.mdpi.com/journal/sustainability |
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Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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