Thermal behaviour of hollow blocks and bricks made of concrete doped with waste tyre rubber

•Bricks, slabs and joists made with of rubber particles from end-of-life tyres.•Thermal behaviour depended on the doping percentage of rubber particles.•Temperature gradient between the interior and the exterior increased to 5.6%.•Advantageous way to reuse an abundant and problematic source of waste...

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Bibliographic Details
Published in:Construction & building materials 2018-07, Vol.176, p.193-200
Main Authors: Fraile-Garcia, Esteban, Ferreiro-Cabello, Javier, Mendivil-Giro, Manuel, Vicente-Navarro, Alejandro San
Format: Article
Language:English
Subjects:
Analysis
Building elements
Concretes
Doped concrete
Thermal behaviour
Thermal properties
Waste management
Waste tyre rubber
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Summary:•Bricks, slabs and joists made with of rubber particles from end-of-life tyres.•Thermal behaviour depended on the doping percentage of rubber particles.•Temperature gradient between the interior and the exterior increased to 5.6%.•Advantageous way to reuse an abundant and problematic source of waste.•These new products can be produced in a conventional production line. This study examines the thermal behaviour of light concrete construction elements (bricks, slabs and joists) made with different amounts of rubber particles (0%, 10% and 20%) from end-of-life tyres. Once the bricks, slabs and joists were obtained, three different closed test cells were built and subjected to several heating/cooling periods. By recording the temperature inside the cells and inside their enclosures (walls, ceilings, floors), it was found that the thermal behaviour depended on the doping percentage of rubber particles. The temperature gradient between the inside and the outside of the cell varied up to 5.6% in the case of using 20% lightener.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2018.05.015