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Título: EVALUATION OF THE MECHANICAL BEHAVIOR OF ASPHALT MIXTURES WITH CRUSHED POLYETHYLENE TEREPHTHALATE (PET) INSERTION
Autor: MIEKA ARAO
Colaborador(es): MICHELE DAL TOE CASAGRANDE - Orientador
ANTÔNIO CARLOS RODRIGUES GUIMARÃES - Coorientador
Catalogação: 22/NOV/2016 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: THESIS
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=28076&idi=1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=28076&idi=2
DOI: https://doi.org/10.17771/PUCRio.acad.28076
Resumo:
This research aims to evaluate the behavior of HMA mixtures (hot mix asphalt concrete) added with PET (Polyethylene Terephthalate) bottles pounded into different particle sizes and concentrations in the mixture. The usual filler (stone dust) was replaced by the powder from the milling of PET bottles, since its high melting point allows the use as an aggregate in the mix. Thus, it was used the material in diameters of 10 mm and 2 mm, in concentrations of 0.5 percent and 1.0 percent added in the HMA and, also, the replacement of 2.5 percent of the stone powder for the PET powder with addition of 0.5 percent triturated with diameter of 10 mm. From the characterization tests of aggregates (particle sizes, durability, density, Los Angeles abrasion) and asphalt (specific density, penetration, softening point, ductility, solubility in trichloroethylene, RTFOT – rolling thin film oven test), it was made the calculations of the dosage by the Marshall method, production of specimens, which enabled the realization of mechanical tests of Marshall Stability and Flow, Tensile Strength, Resilient Modulus and Fatigue. The insertion of triturated PET was satisfactory, being dependent on the results of the percentages and particle sizes of the PET used. It was observed that the increase in the strength parameters and the useful life of the mixtures studied is more effective for the HMA with 0.5 percent PET of 10 mm diameter and the substitution of 2.5 percent of the filler for PET powder in its granulometric compositions. Therefore, the use of PET bottle waste to the improvement of asphalt mixtures can minimize the current problems of waste disposal, contribute to reduce the consumption of natural resources and make a noble use for this material.
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