Mechanical properties evaluation of a dense hot asphalt mixture modified with a residue of low density polyethylene (LDPE)

Authors

  • Hugo Rondón Quintana Universidad Distrital Francisco José de Caldas, Colombia
  • Wilmar Fernández Gómez Universidad Distrital Francisco José de Caldas, Colombia
  • William Castro López Universidad Distrital Francisco José de Caldas, Colombia

DOI:

https://doi.org/10.4067/S0718-50732010000100004

Keywords:

Low density polyethylene, LDPE, modified Asphalt, hot asphalt dense mix, mechanical strength

Abstract

Laboratory tests were used to evaluate the effect on the mechanical properties of a hot asphalt mix (MDC-2 as per INVIAS, 2007 specifications) due to the addition by wet way of a residue of low density polyethylene (LDPE). The strength under monotonic load, resilient modulus, rutting and fatigue strength were evaluated. Asphalt cement (AC) AC 80-100 was used from Colombia. The results show that the monotonic and cyclic mechanical strength evaluated were higher for the mixes modified with LDPE compared with mixtures with asphalts without additives. However, the mixes modified with LDPE undergo less fatigue strength. Additionally, characterization tests were conducted on asphalt cement with and without additive. The LDPE produces higher penetration resistance and viscosity, and lower thermal flow susceptibility

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Published

2010-04-30

How to Cite

Rondón Quintana, H., Fernández Gómez, W., & Castro López, W. (2010). Mechanical properties evaluation of a dense hot asphalt mixture modified with a residue of low density polyethylene (LDPE). Revista Ingeniería De Construcción, 25(1), 83–94. https://doi.org/10.4067/S0718-50732010000100004

Issue

Section

Original Research