Analysis of gap-graded asphalt mix as a pavement overlay to reduce accidents in wet condition

Authors

  • Fernanda Santana Carvalho Universidade de São Paulo, São Paulo – Brasil
  • Cláudia A. Soares Machado Universidade de São Paulo, São Paulo – Brasil
  • Liedi Légi Bariani Bernucci Universidade de São Paulo, São Paulo – Brasil

DOI:

https://doi.org/10.14295/transportes.v28i3.1954

Keywords:

Road safety. Tire/pavement grip. Traffic accidents.

Abstract

Traffic accidents are complex events involving multiple causes usually connected to human faults related to the interpretation of the environment of the road where they travel. Such events cause loss of life, as well as social and economic losses. In this context, it is essential for the management of highways to carry out projects that minimize such errors. Among the factors most studied to reduce accidents is the road infrastructure, especially with regard to geometry, road signs and surface conditions, with a focus on tire/pavement adhesion under adverse climatic conditions. This work deals with the characterization of the surface of asphaltic pavements in two experimental sections that have undergone intervention to increase surface drainage and consequent improvement of the friction supply by the use of a gap-graded asphalt mixture, which also underwent laboratory tests to prove effectiveness. The efficiency of this asphalt coating has been empirically confirmed in reducing the number of accidents.

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Published

2020-08-31

How to Cite

Carvalho, F. S., Machado, C. A. S., & Bernucci, L. L. B. (2020). Analysis of gap-graded asphalt mix as a pavement overlay to reduce accidents in wet condition. TRANSPORTES, 28(3), 137–151. https://doi.org/10.14295/transportes.v28i3.1954

Issue

Vol. 28 No. 3 (2020)

Section

Artigos

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