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Pro124

REDESIGNING TRADITIONAL LIGHTWEIGHT GYPSUM WITH EXPANDED AND EXTRUDED POLYSTYRENE WASTE



Author(s): P. Villoria Saez, M. Del Río Merino, J. Santa Cruz Astorqui, C. Porras Amores
Paper category: Proceedings
Book title: IV International Conference Progress of Recycling in the Built Environment
Editor(s): Isabel M. Martins, Carina Ulsen, Yury Villagran
ISBN:
e-ISBN: 978-2-35158-208-4
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 186-193
Total Pages: 08
Language : English


Abstract: This research work studies the physical and mechanical behavior of lightened gypsum made
with expanded and extruded polystyrene wastes (EPS and XPS respectively). For this, several
gypsum samples were prepared using different percentages of EPS and XPS waste (up to 4%)
based on the weight of gypsum and also reference samples (with no additions). These samples
were tested in the laboratory and the following tests were developed: dry density, surface
hardness, flexural strength and compressive strength. A comparative analysis evidenced that it
is viable preparing gypsum with addition of XPS and EPS waste. These compounds have
lower density than currently used lightweight gypsums, keeping similar mechanical strengths.


Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00


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