THE PERFORMANCE OF UNBOUND GRANULAR PAVEMENTS SUBJECTED TO TIRES WITH LOW INFLATION PRESSURE

As part of an on-going research program regarding the unbound pavements used for heavy construction and resource industry haul roads, an experiment was carried out at the Pavement Test Facility, Transport Research Lab, Crowthorne, England, to an experimental design set out by UNB. The experiment was arranged to determine the effects caused in unbound single-layer granular pavements by extremely heavily loaded wheels having tires with very low inflation pressures, simulating the effects of central tire inflation (CTI). The behavior of the roads was observed at 30, 100, 300, 1000, 3000, 10,000 passes, by performing straight-edge and wedge tests of rutting and by taking optical levels to measure rut development. Results are discussed, and conclusions drawn regarding reduced tire inflation pressure and the behavior of the model unbound granular roads.

Language

  • English

Media Info

  • Pagination: v.p.

Subject/Index Terms

Filing Info

  • Accession Number: 00720465
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Mar 29 1996 12:00AM