Evaluación del comportamiento mecánico de capas bituminosas ultra delgadas como una adecuada estrategia para la rehabilitación de pavimentos urbanos

M. Sol-Sánchez; G. García-Travé; P. Ayar; F. Moreno-Navarro; M. C. Rubio-Gámez

doi:10.3989/mc.2017.05016

Autores/as

M. Sol-Sánchez Laboratory of Construction Engineering (LabIC.UGR), Department of Construction Engineering (ICPI), School of Civil Engineering (ETSICCP), University of Granada https://orcid.org/0000-0003-3756-7556
G. García-Travé Laboratory of Construction Engineering (LabIC.UGR), Department of Construction Engineering (ICPI), School of Civil Engineering (ETSICCP), University of Granada https://orcid.org/0000-0002-5101-1610
P. Ayar Laboratory of Construction Engineering (LabIC.UGR), Department of Construction Engineering (ICPI), School of Civil Engineering (ETSICCP), University of Granada https://orcid.org/0000-0002-9856-5995
F. Moreno-Navarro Laboratory of Construction Engineering (LabIC.UGR), Department of Construction Engineering (ICPI), School of Civil Engineering (ETSICCP), University of Granada https://orcid.org/0000-0001-6758-8695
M. C. Rubio-Gámez Laboratory of Construction Engineering (LabIC.UGR), Department of Construction Engineering (ICPI), School of Civil Engineering (ETSICCP), University of Granada https://orcid.org/0000-0002-1874-5129

DOI:

https://doi.org/10.3989/mc.2017.05016

Palabras clave:

Adherencia, Durabilidad, Fatiga, Permeabilidad, Propiedades mecánicas

Resumen

Las capas bituminosas ultra delgadas para rehabilitación superficial de carreteras son una alternativa a las tradicionales capas asfálticas, riegos bituminosos y micro-aglomerados. No obstante, aún son numerosos los aspectos a estudiar para la generalización de su uso, particularmente en zonas urbanas con elevado tráfico. Así, este artículo recoge un análisis comparativo del comportamiento mecánico, durabilidad y factores de seguridad (evaluando parámetros como cohesividad, adhevisvidad, envejecimiento, fisuración, deformaciones, permeabilidad, macrotextura, y resistencia al deslizamiento, al desgaste y a los combustibles) entre una capa delgada de 20 mm de espesor, y una mezcla discontinua de altas prestaciones (BBTM-11B con 35 mm), comúnmente utilizada en capas de rodadura. Los resultados indican que puede ser una adecuada solución para pavimentos urbanos dada su durabilidad y resistencia a la propagación de fallos. No obstante, se requieren futuros estudios centrados en la mejora de parámetros de seguridad y de su resistencia a las deformaciones permanentes.

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