Mechanical performance assessment of half warm recycled asphalt mixes containing up to 100 % RAP

  1. J. M. Lizárraga
  2. A. Jiménez del Barco-Carrión
  3. A. Ramírez
  4. P. Díaz
  5. F. Moreno-Navarro
  6. M. C. Rubio
Revista:
Materiales de construcción

ISSN: 0465-2746

Año de publicación: 2017

Volumen: 67

Número: 327

Tipo: Artículo

DOI: 10.3989/MC.2017.05116 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Materiales de construcción

Resumen

. La utilización de mezclas asfálticas templadas con alto contenido de asfalto reciclado (HWMRA) conlleva ventajas medioambientales como la reducción del consumo de recursos naturales y la emisión de gases a la atmósfera. Este artículo se centra en mostrar la viabilidad de este tipo de mezclas para capas de rodadura. Para ello, se diseñaron mezclas HWMRA con 70 % y 100 % de asfalto reciclado en el laboratorio y se evaluó y comparó su comportamiento con una mezcla caliente convencional. En una segunda etapa, las mezclas fueron fabricadas en planta, extendidas y compactadas en una pista de ensayo acelerado de pavimentos. A continuación, se extrajeron testigos y se ensayaron para conocer su módulo de rigidez y resistencia a fatiga. Tanto los resultados de laboratorio como tras la fabricación en planta y puesta en obra mostraron que el comportamiento de mezclas HWMRA es comparable al de mezclas calientes convencionales. Dicha conclusión puede aportar confianza a este tipo de mezclas sostenibles promoviendo su mayor utilización.

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Referencias bibliográficas

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