Application of fibres from recycled PET bottles for concrete reinforcement

• Autorzy: Wiliński D. , Łukowski P. , Rokicki G.
• Języki publikacji: EN

Abstrakty

EN

Waste PET can be reused as partial or complete substitute of an aggregate in a concrete composition or as a concrete reinforcement. However, the main drawback of such applications is the hydrolysis of ester linkages of poly(ethylene terephthalate) in highly alkaline environment of the cement matrix. To prevent alkaline hydrolysis, the PET fibres were coated with commercially available ethylene/vinyl acetate copolymer (EVA). Effectiveness of the use of copolymer EVA as a protection layer against strong alkali solutions has been demonstrated and discussed. Chemical changes in PET fibres after alkaline treatment have been referred to mechanical properties of the fibres. Mechanical properties, like compressive and flexural strength of the composites as well as the long-term durability performance of recycled PET fibres in alkaline environment were also investigated. The preliminary results indicated that the introduction of the PET fibres does not deteriorate the mechanical strength of the concrete composite.

Słowa kluczowe

EN

PET bottles; recycling; fibres; reinforced concrete; hydrolysis

PL

butelka PET; recykling; beton wzmocniony; hydroliza

• Wydawca: Agord - Karol Brzeziński
• Czasopismo: Journal of Building Chemistry
• Rocznik: 2016
• Tom: Vol. 1, iss. 1
• Strony: 1--9
• Opis fizyczny: Bibliogr. 33 poz., rys., tab. wykr.

Twórcy

autor

Wiliński D.

• Department of Building Materials Engineering, Faculty of Civil Engineering, Warsaw University of Technology, Al. Armii Ludowej 16, 00-637 Warsaw, Poland

autor

Łukowski P.

• Department of Building Materials Engineering, Faculty of Civil Engineering, Warsaw University of Technology, Al. Armii Ludowej 16, 00-637 Warsaw, Poland

autor

Rokicki G.

• Chair of Polymer Chemistry and Technology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.