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|Title:||Recycled glass concrete: coarse and fine aggregates||Authors:||Gerges, Najib N.
Fawaz, Samer A
|Affiliations:||Department of Civil and Environmental Engineering||Keywords:||Durability
|Issue Date:||2018||Part of:||European journal of engineering research and science||Volume:||3||Issue:||1||Start page:||1||End page:||9||Abstract:||
Conventional concrete aggregate consists of sand (fine aggregate) and various sizes and shapes of gravel or stones (coarse aggregate). However, there is a growing interest in substituting alternative aggregate materials, largely as a potential use for recycled materials. While there is significant research on many different materials for aggregate substitutes such as granulated coal ash, blast furnace slag or various solid wastes including fiberglass waste materials, granulated plastics, paper and wood products or wastes, sintered sludge pellets and others. Recycled waste glasses were used as coarse and fine aggregates replacement in concrete. Coarse aggregates were replaced with Green Bottles coarse aggregates at third, half, two thirds, and 100% replacement ratios. The replacement of a third coarse aggregate was established as being the most suitable for retaining the properties of the concrete mix design. As for fine aggregates, in order to account for the numbers of variables and clearly establish a bench mark, the sand grading, color of glass, source of waste glass (bottles and non-bottles), and design mix strength were used as parameters. Fine aggregates from green, brown, and transparent bottles in addition to clear window waste glass were used. Concrete properties were tested in fresh and hardened states. The incorporation of glass sand regardless of the ratios of replacement showed no significant influence on fresh or mechanical properties of concrete except for the case of transparent bottles. Transparent bottles due to the wide source of obtainability have introduced a non-uniform factor that caused discrepancy compared to the rest of the group. (PDF) Recycled Glass Concrete: Coarse and Fine Aggregates. Available from: https://www.researchgate.net/publication/322676130_Recycled_Glass_Concrete_Coarse_and_Fine_Aggregates [accessed Oct 25 2018].
|Appears in Collections:||Department of Civil and Environmental Engineering|
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