Influence of Glass Powder and Steel Slag on Properties of Concrete: A Review

Ali, Sajjad H.; Rahman, Zia ur; Khan, Muhammad Kamran

doi:10.14311/cej.2017.04.0032

Cited by 4 publications

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References 40 publications

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“…The result shows that the increasing amount of milled glass enhances the workability of concrete at constant steel slag content. Previous research on the utilization of milled glass has also indicated improvement in workability with increasing content milled glass (Ali et al, 2017;Castro and Brito, 2013). This improvement may be attributed to the nonabsorbent nature as well as smooth surfaces of milled glass particles (Ali and Al-Tersawy, 2012).…”

Section: Fresh Properties Of Concretementioning

confidence: 88%

Value added usage of granular steel slag and milled glass in concrete production

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Industrial development has generated enormous conveniences for humans at the cost of environmental pollution. Cement production is a major cause of carbon dioxide emission in the construction industry, and utilization of a large number of aggregates in concrete is causing scarcity of natural resources and irreversible depletion. The practice of utilizing industrial wastes in the production of concrete can be a useful solution. In this research, green concrete of enhanced properties is produced by incorporation of milled glass as partial replacement of cement, and fine aggregates are replaced by granular steel slag with different dosages. Ten types of concrete mixes substituting 10%, 20%, and 30% of cement by glass powder (GP) and 40%, 60%, and 80% of sand by granular steel slag (SS) were assessed in terms of rheological, mechanical, and microstructural properties. Results indicated that concrete having 80% granular steel slag and 20% glass powder shows a maximum increase of 42%, 16%, 16%, and 14% in splitting tensile strength, flexural strength, modulus of elasticity, and compressive strength, respectively. Scanning electron microscopy depicts the formation of secondary calcium silicate hydrate (CSH) and improved packing density in concrete mixes having granular steel slag and glass powder. Thus, granular steel slag and glass powder can effectively be used as cement and sand replacement in the production of value-added green economical concrete, reducing environmental pollution.

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Section: Fresh Properties Of Concretementioning

confidence: 88%