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Ingeniería y Desarrollo
versión impresa ISSN 0122-3461versión On-line ISSN 2145-9371
Resumen
RONDON QUINTANA, Hugo Alexander; LEON VERGARA, Oswaldo Ignacio y FERNANDEZ GOMEZ, Wilmar Darío. Behavior of a warm mix asphalt made in an asphalt plant. Ing. Desarro. [online]. 2017, vol.35, n.1, pp.152-173. ISSN 0122-3461. https://doi.org/10.14482/inde.35.1.8947.
A relatively recent development in asphalt pavement technology, warm mix asphalt (WMA) offers a number of benefits. We present a comparison of some mechanical properties of warm mix asphalt (WMA) made in an asphalt plant batch with a traditional Hot Mix Asphalt (HMA). WMA mixture was made with asphalt cement CA 60-70 and a chemical additi ve that foams the asphalt at 80 °C. WAM was mixed and compacted at 120 °C and 110 °C, respectively. The control mixture (HMA) was a Dense Graded Mixture MDC-19 proposed by (1), was made with the same mate rials and mixed and compacted at 150 and 140 °C. Mechanical properties were evaluated under two loading modes: monotonic load (Marshall and indirect tensile test) and dynamic loads (resilient modulus, permanent deformation and fatigue). Results showed that mechanical properties of Warm Mixed Asphalts are better than control mixture.
Palabras clave : asphalt plant; chemical additive; hot mix asphalt; and warm mix asphalt..