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Open AccessArticle

The Utilization of Recycled Masonry Aggregate and Recycled EPS for Concrete Blocks for Mortarless Masonry

University Centre for Energy Efficient Buildings of Technical University in Prague, Trinecka 1024, 273 43 Bustehrad, Czech Republic
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Materials 2019, 12(12), 1923; https://doi.org/10.3390/ma12121923
Received: 30 April 2019 / Revised: 6 June 2019 / Accepted: 11 June 2019 / Published: 14 June 2019
(This article belongs to the Special Issue Environmentally Friendly Renewable Materials)
The main aim of this paper is to carry out the environmentally based enhancement of a concrete mixture containing recycled materials whilst considering natural resource consumption as well as mechanical and thermal property levels. The developed concrete is intended to be used in mortarless masonry wall structures. Ten concrete mixtures with different types and replacement rates of recycled masonry aggregate and recycled expanded polystyrene were prepared, and their mechanical and thermal properties were experimentally investigated. It was found that the use of recycled masonry aggregate led to better thermal properties while maintaining sufficient mechanical properties. On the contrary, the addition of recycled expanded polystyrene did not significantly affect the thermal properties of concrete, but the mechanical properties considerably declined. For this reason, the recycled masonry aggregate is suitable to use as an aggregate for concrete masonry blocks for wall structures. View Full-Text
Keywords: recycled masonry aggregate; recycled expanded polystyrene; recycled aggregate concrete; concrete blocks for mortarless masonry; thermal properties; environmentally-based optimization recycled masonry aggregate; recycled expanded polystyrene; recycled aggregate concrete; concrete blocks for mortarless masonry; thermal properties; environmentally-based optimization
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Pavlu, T.; Fortova, K.; Divis, J.; Hajek, P. The Utilization of Recycled Masonry Aggregate and Recycled EPS for Concrete Blocks for Mortarless Masonry. Materials 2019, 12, 1923.

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