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VOL. 10, ISSUE 4 (2025)
Influence of replacing cement with Fine Glass Powder on the basic properties of concrete
Authors
Habibova Almaz, Tahirov Ramin, Gurbanova Rena, Ibrahimova Tunzale
Abstract
This study investigates the effect of partially replacing cement with
finely ground glass powder on the main properties of concrete, including
strength, workability, water tightness, microstructure, and susceptibility to
alkali-silica reaction (ASR). Experimental results indicate that substituting
up to 20% of cement by weight with glass powder helps maintain or even improve
compressive and flexural strength due to pozzolanic reactions and enhanced pore
structure. However, increasing the replacement level beyond 20% leads to a
decrease in strength and water tightness, associated with increased porosity
and reduced binder content. The workability of the concrete mix decreases as
the glass powder content rises, necessitating adjustments in water-cement ratio
or the use of plasticizers. Scanning electron microscopy (SEM) analysis
confirmed a denser and more homogeneous microstructure at optimal replacement
levels, whereas higher proportions caused heterogeneity and microporosity.
Despite the presence of amorphous silica in the glass powder, no significant
signs of ASR were observed, indicating safe usage within recommended limits.
These findings support the potential use of glass waste as a supplementary
cementitious material in concrete production.
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Pages:90-94
How to cite this article:
Habibova Almaz, Tahirov Ramin, Gurbanova Rena, Ibrahimova Tunzale "Influence of replacing cement with Fine Glass Powder on the basic properties of concrete". International Journal of Advanced Scientific Research, Vol 10, Issue 4, 2025, Pages 90-94
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