Comparison of shrinkage deformations in resin mortars modified with different waste materials

• Autorzy: Dębska Bernardeta , Silva Guilherme Jorge Brigolini , Caetano Marina Altoé , Bruna Silva Almada

Identyfikatory

DOI

10.17512/bozpe.2024.13.23

• Języki publikacji: EN

Abstrakty

EN

Resin-based mortars are characterized by excellent strength parameters, together with very good chemical resistance and a short time to achieve installation and serviceability. However, a limitation of their use may be their relatively high curing shrinkage. This parameter can be improved by modifying the composition of mortars with, among other things, recycled materials. This article describes and compares the results of tests on four types of epoxy mortars: a control sample (unmodified) and three modified samples with waste polyethylene terephthalate glycolysate, each one containing additional waste polyethylene or rubber from car tires. A positive effect on the mechanical strength of the mortars was demonstrated thanks to the modification. The shrinkage of the mortars was monitored from the time of formation. The partial substitution of aggregate by rubber granules or polyethylene agglomerate reduced the shrinkage value of the mortars based on a glycolysate-modified matrix by 14.2 % and 7.1 %, respectively.

Słowa kluczowe

EN

epoxy mortar; rubber waste; polyethylene waste; shrinkage; mechanical strength

PL

zaprawa epoksydowa; odpad gumowy; odpady polietylenowe; wytrzymałość mechaniczna

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Budownictwo o Zoptymalizowanym Potencjale Energetycznym
• Rocznik: 2024
• Tom: Vol. 13
• Strony: 229--236
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Dębska Bernardeta

• Rzeszow University of Technology, Poland

• https://orcid.org/0000-0002-4377-9937

autor

Silva Guilherme Jorge Brigolini

• Federal University of Ouro Preto, Brazil

• https://orcid.org/0000-0001-8444-9451

autor

Caetano Marina Altoé

• Federal University of Ouro Preto, Brazil

• https://orcid.org/0000-0001-9211-4176

autor

Bruna Silva Almada

• Federal University of Ouro Preto, Brazil

• https://orcid.org/0000-0003-1076-4832

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