A Tire-Pavement Contact Model Derived from Measured Tire Characteristics

In the interaction of a truck tire with a pavement, tire-pavement contact area carries tire load on the pavement surface and transmits the loading into the pavement body. The vertical tire-pavement contact stress over the contact area plays an important role and determines the immediate pavement responses within the pavement structure, which eventually affect the long-term performance of the pavement. As a traditional approximation method in many pavement studies, tire-pavement contact stress is frequently assumed to be uniformly distributed over a circular contact area, and simply equal to the tire pressure. However, measurements of tire-pavement contact interaction have demonstrated that the tire-pavement contact stress and contact area are quite different from the traditional tire model. In this study, the measurement data of tire-pavement interaction under various tire loading conditions was analyzed to characterize the tire-pavement contact area and the relationship with tire load and tire inflation pressure. The characterized tire-pavement contact area was used to modify the traditional tire model in different ways to more accurately represent the vertical tire-pavement contact stress.

Language

  • English

Media Info

  • Media Type: Web
  • Pagination: pp 94-103
  • Monograph Title: Geo-China 2016: Innovative and Sustainable Solutions in Asphalt Pavements

Subject/Index Terms

Filing Info

  • Accession Number: 01609467
  • Record Type: Publication
  • ISBN: 9780784480052
  • Files: TRIS, ASCE
  • Created Date: Sep 1 2016 9:06AM