Abstract
Concrete is a material which is widely used in architecture, not only for structural purposes but also for architectural elements for its versatility and excellent performance. However, the manufacturing of this material as a mixture of water, cement, and fine and coarse aggregate comes with a high environmental cost, such as gas emissions, among other things. This is the reason why different alternatives are being proposed in order to replace coarse aggregates with other recycled materials, as it is one of the less sustainable components of the mixture in terms of extraction. One of these alternatives is recycled glass coming from drinking bottles, crushed into small grains and mixed in the same proportions as regular aggregates. This study proposes the mechanical characterization of a new architectural concrete mixture by using white Lafarge cement and glass-recycled aggregates; this proposed concrete is made especially for architectural elements like façade panels, rather than structural elements. The mechanical evaluation of this new material is done through a set of experimental tests under compression and also bending, comparing three different ratios of glass aggregate in the mixture.
Highlights
Concrete is a widely used material in architecture under all shapes and mixtures due to its evident versatility and enhanced mechanical performance
The main conclusion obtained from this research is that the use of recycled-glass as a substitute of (a) coarse aggregate in architectural-oriented concrete is possible from a mechanical point of view
All tested specimens show a minimum level of strength that allows us to use this material for architectural purposes, like façades and walls
Summary
Concrete is a widely used material in architecture under all shapes and mixtures due to its evident versatility and enhanced mechanical performance. This research proposes an analysis of a new architectural concrete, thought of for non-structural purposes, by carrying out experimental tests only from a mechanical point of view. This new purposes, by carrying out experimental tests only from a mechanical point of view This new concrete is concrete is formed by glass-recycled grains as an alternative for coarse aggregates, and it is analyzed formed by glass-recycled grains as an alternative for coarse aggregates, and it is analyzed by replacing by replacing different proportions of aggregate in the mixture to obtain different results. In order characterize glass-recycled concrete for architectural applications, like thin panels or walls, it is necessary to describe its behavior under compression and bending, according walls, it is necessary to describe its behavior under compression and bending, according to the to the structural behaviors in cases. Recycled aggregates as the one recommended in regular concrete: a double ratio and a triple ratio of recycled glass aggregates
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