Estudo do comportamento do revestimento de pavimento utilizando mistura asfáltica morna com adição de borracha moída de pneu na SPA-248/055
DOI:
https://doi.org/10.14295/transportes.v25i4.1055Keywords:
Warm mix asphalt, Rubberized binder, Pollutants emission reduction, Pavement performance.Abstract
This paper presents a study of a warm asphalt mix using rubberized binder additive with surfactant. Tests were made to verify the mechanical behavior of the warm mixture and then compared to a reference rubberized hot mixture. The warm asphalt mix presented satisfactory results. Also, it was made an analysis of reducing pollutant emissions during the mix production. A test section was performed with the warm mixture, located in SPA-248/055, West Lane and compared to the hot mix reference section, located on the same highway. The results indicated that there is a reduction of pollutants such as total smoke, fumes soluble and volatile organic compounds (VOCs). Both the experimental and the reference section were evaluated during 4 years for pavement performance parameters. The results showed a positive behavior of warm asphalt mix compared to the reference pavement section.
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