Analysis of selected properties of cement composites based on polystyrene waste

openaccess, Vol. 635 (7) 2025 / wtorek, 22 lipca, 2025

Analiza wybranych właściwości kompozytów cementowych zawierających odpady styropianowe

(Open Access)

DOI: 10.15199/33.2025.07.07

citation/cytuj: Kuźmińska E., Zakrzewski M., Domski J. Analysis of selected properties of cement composites based on polystyrene waste. Materiały Budowlane. 2025. Volume 635. Issue 07. Pages 46-55. DOI: 10.15199/33.2025.07.07

The aim of this study was to evaluate the influence of the type of polystyrene regranulate and the composition of the cement mixture on the mechanical properties of lightweight cementitious composites. Three types of regranulates were considered: a mixture of EPS/XPS (materialA) and two variants of XPS (materials B and C), applied in three formulations (I–III), differing in their binder and waste sand content. Due to the limited number of global studies addressing the use of XPS regranulates in concrete mixtures, particular attention was given to their behavior within the cementitious matrix. The tests were conducted on cubic samples with a side length of 150 mm and cylindrical specimens with a diameter of 150 mm and a height of 300 mm, in accordance with PN-EN 12390-3. The best mechanical performance was achieved by composites containing XPS and sand. Mixtures incorporatingmaterialAexhibited lower strength and higher deformability. The results highlight the significant potential of XPS regranulate as a component of lightweight cementitious composites

Celem pracy prezentowanej w artykule była ocena wpływu rodzaju regranulatu polistyrenowego oraz składu mieszanki cementowej na właściwości mechaniczne lekkich kompozytów cementowych. Uwzględniono trzy typy regranulatów: mieszaninę EPS/XPS (materiał A) oraz dwa warianty XPS (materiały B i C), stosowane w trzech recepturach (I–III), różniących się zawartością spoiwa i piasku odpadowego. Ze względu na ograniczoną liczbę badań w literaturze światowej dotyczących zastosowania regranulatów XPS w mieszankach betonowych, szczególną uwagę poświęcono jego zachowaniu w kompozycie cementowym. Badania przeprowadzono na próbkach sześciennych o długości boku 150 mm oraz walcach o średnicy 150 mm i wysokości 300 mm, zgodnie z PN-EN 12390-3. Najlepsze parametry wytrzymałościowe osiągnęły kompozyty z XPS i dodatkiem piasku. Mieszanki z materiałem A wykazały niższą wytrzymałość i większą odkształcalność. Wyniki wskazują na istotny potencjał regranulatu XPS jako składnika lekkich kompozytów cementowych.
XPS composite; XPS regranulate; mechanical properties.

kompozyt XPS; regranulat XPS; właściwości mechaniczne.
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MSc Eng. Elżbieta Kuźmińska, Koszalin University of Technology
ORCID: 0000-0002-9507-9756
PhD Eng. Mateusz Zakrzewski, Koszalin University of Technology
ORCID: 0000-0002-0419-5058
Assoc. Prof. PhD DSc Eng. Jacek Domski, prof. PK, Koszalin University of Technology
ORCID: 0000-0002-5112-1035

MSc Eng. Elżbieta Kuźmińska, Koszalin University of Technology
ORCID: 0000-0002-9507-9756

Correspondence address: elzbieta.kuzminska@tu.koszalin.pl

Full paper:

DOI: 10.15199/33.2025.07.07

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Received: 04.03.2025. / Artykuł wpłynął do redakcji: 04.03.2025 r.
Revised: 10.04.2025. / Otrzymano poprawiony po recenzjach: 10.04.2025 r.
Published: 23.07.2025 / Opublikowano: 23.07.2025 r.