Abstract
Utilization of waste glass at optimum amounts in concrete production not only provides significant environmental benefits such as reducing carbon dioxide emissions generated during the production process of cement but also enhances performance of the concrete and cement. The aim of this work was to review the effect of addition of waste glass on cement and concrete. The review showed that addition of glass powder enhances the compressive strength properties of the concrete product while using waste glass as aggregate showed that the slump flow increased with the increase of recycled glass content. On the other hand, the compressive strength, splitting tensile strength and flexural strength of the concrete were decreased with the increase in the recycled glass content.
Highlights
Nowadays, cement and glass industries face serious problems such as increasing environmental pressure resulting from high greenhouse gases emissions and overcapacity (Ali et al, 2011; Mikulčić et al 2013)
Tan and Du (2013) studied the properties of self-compacting glass concrete (SCGC) which consist of liquid crystal display (LCD) glass added to the cement to replace the aggregate in the following percentages: (0, 10, 20, 30)% by applying standard tests such as slump flow, compressive and flexural strength on the produced concrete
The compressive strength, splitting tensile strength and flexural strength were decreased with the increase in the recycled glass content
Summary
Cement and glass industries face serious problems such as increasing environmental pressure resulting from high greenhouse gases emissions and overcapacity (Ali et al, 2011; Mikulčić et al 2013). Due to non-biodegradable nature of waste glass, discarding it to landfill is not an environmental friendly practice (Cassar et al, 2012; Liu, 2011). Waste glass chemical composition and pozzolanic properties encourage its use in the cement and concrete industries providing practical and an environmental friendly solution for both of glass and cement industries (Dhirendra et al, 2012; Khmiri et al, 2012). In this review we will shed some light on the latest practices of using waste glass in cement and concrete industry including optimum ratio between waste glass and cement/concrete, and the effect of the glass properties on the performance and durability of the produced cement and concrete (Ganjigatti et al, 2015; Khatib et al, 2012; Federico and Chidiac, 2009; Jani and Hogland, 2014). The review will be divided into three sections: the first section reviews the glass additive as aggregate, in the second section the partial replacement of cement with waste glass will be reviewed, while in the third section the addition of waste glass as fiber will be reviewed
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