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Tire/Pavement Strain Tensor Measurement With an Infrastructure-Based Approach

[+] Author Affiliations
A. L. Coiret, M.-L. V. Gallenne, P.-Y. M. Texier

Laboratoire Central des Ponts et Chaussees, Bouguenais, France

Paper No. WTC2005-64300, pp. 899-900; 2 pages
doi:10.1115/WTC2005-64300
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

Studies are conducted at the LCPC for investigating the role of infrastructures in road safety. In this context, tire/pavement contact characterization is a key point for both vehicle and road surface optimization. For this purpose, car industry usually instruments dedicated cars with wheel dynamometers but this procedure doesn’t offer the possibility to observe a large set of vehicles in practice. Regarding road management, it has been chosen to use the infrastructure itself as an instrument for acquiring the complete 6-components stress tensor. In this paper, a new test apparatus allowing this is shown, using a mechanically isolated part of the pavement. Validations are presented on a variety of situations such as emergency braking and constant speed driving. Correlations with inboard vehicle sensors measurements and numerical models have been worked out.

Copyright © 2005 by ASME
Topics: Tensors , Tires , Pavement

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