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Polymer concrete filled with milled car windshield and GFRP waste

Jakub Smoleń, Kaja Orzechowska, Klaudia Tomaszewska, Krzysztof Stępień, Aleksander Peryt, Tomasz Pawlik

Quarterly No. 2, 2023 pages 84-88


keywords: polymer concrete, mechanical recycling, windshield glass with PVB, GFRP waste

article version pdf (1.39MB)

abstract The paper describes the process of preparing polymer concrete consisting of waste materials. The matrix was a polyester terephthalic resin produced from PET bottles, while the fillers were laminated car glass with PVB foil, as well as GFRP waste. The preparation of the fillers consisted in producing appropriate fraction sizes. Using a cross-beater mill, a fine fraction with an average size of 2 mm was obtained. The coarse fraction was achieved after the initial grinding process with a size greater than 2 mm. Two series of samples were created from the prepared materials, with different contents of resin, car glass and GFRP. The compression test and the three-point bending test showed that the obtained polymer concrete containing 1 vol.% GFRP has an average compressive strength of 51.75 MPa and an average flexural strength of 20.49 MPa. The polymer concrete with 2 vol.% GFRP showed an average compressive strength of 75.63 MPa and an average flexural strength of 17.89 MPa. The Archimedes method results showed that the samples with the amount of 1 vol.% GFRP reached 1.11% open porosity and the samples with 2 vol.% GFRP achieved 1.23%. The use of waste materials such as windshields with PVB foil and GFRP composites can be used as fillers in polymer concrete technology.

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