Development of a New Additive Based on Textile Fibers of End-of-Life Tires (ELT) for Sustainable Asphalt Mixtures with Improved Mechanical Properties

Primer Autor
Duarte-Nass, Carla
Co-autores
Valdes-Vidal, Gonzalo
Calabi-Floody, Alejandra
Mignolet, Cristian
Diaz, Cristian
Título
Development of a New Additive Based on Textile Fibers of End-of-Life Tires (ELT) for Sustainable Asphalt Mixtures with Improved Mechanical Properties
Editorial
MDPI
Revista
POLYMERS
Lenguaje
en
Resumen
End-of-life tires (ELT) are a worldwide problem. Rubber, steel, and different textile fibers are the by-products of ELT. Unlike rubber and steel, waste tire textile fibers (WTTF) are disposed of in landfills or burned. This study developed an additive made with WTTF to be incorporated into conventional hot mix asphalt (HMA), and its performance properties were evaluated. First, a characterization of the WTTF used was made and a manufacture protocol was established. Then, a reference HMA was designed and mixtures with different addition percentages (2%, 5% and 8%) of the WTTF-based additive were evaluated. The mechanical properties studied were stiffness modulus, moisture susceptibility, rutting resistance, stripping, and cracking resistance. The results indicated that the addition of the 2% and 5% WTTF-based additive improved these performance properties. Moreover, all addition percentages of the WTTF-based additive evaluated demonstrated a decrease of over 29% in permanent deformation according to the Hamburg Wheel Tracking Test. Thus, the use of the WTTF would not only be valuing a waste, but an asphalt mixture with improved properties would be obtained, contributing to the circular economy by reusing a material and prolonging the useful life of the asphalt mixture.
Tipo de Recurso
artículo original
Description
This research was funded by the National Research and Development Agency of Chile (ANID) conducted within the framework of the FONDEF IDEA Project, grant No. ID20I10160, as well as the APC.
Esta investigación fue financiada por la Agencia Nacional de Investigación y Desarrollo de Chile (ANID) realizada en el marco del Proyecto FONDEF IDEA, subvención No. ID20I10160, así como por la APC.
doi
10.3390/polym14163250
Formato Recurso
PDF
Palabras Claves
asphalt mixture
additive
end-of-life tires (ELT)
performance properties
HOT MIX ASPHALT
REUSE
SCENARIO
STRENGTH
Ubicación del archivo
Categoría OCDE
Ciencia de los polímeros
Materias
mezcla asfáltica
aditivo
neumáticos al final de su vida útil (ELT)
propiedades de rendimiento
MEZCLA ASFALTICA CALIENTE
REUTILIZACIÓN
ESCENARIO
RESISTENCIA
Título de la cita (Recomendado-único)
Development of a New Additive Based on Textile Fibers of End-of-Life Tires (ELT) for Sustainable Asphalt Mixtures with Improved Mechanical Properties
Identificador del recurso (Mandatado-único)
artículo original
Versión del recurso (Recomendado-único)
version publicada
License
CC BY 4.0
Condición de la licencia (Recomendado-repetible)
CC BY 4.0
Derechos de acceso
acceso abierto
Access Rights
acceso abierto
Referencia del Financiador (Mandatado si es aplicable-repetible)
ANID ID20I10160
Id de Web of Science
WOS:000845814700001
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