Achieving Smooth Asphalt Pavements

An article on techniques for ensuring smooth asphalt pavements covers a wide range of approaches, as well as a description of how smoothness is measured. The two most common are the International Roughness Index and the Profilograph Index. A high-speed profiler can operate at prevailing highway speed. A light-weight profiler is usually mounted on a lighter vehicle and works at speeds much lower than prevailing traffic. There are two styles of profilographs. Both are reported in units of inches/mile or meters/kilometer. They are generally collected in either one or both of the wheelpaths within a pavement lane, though that can vary. Case studies on actual paving projects detail different ways of achieving optimal smoothness. The key elements that need to remain as constant as possible are paving speed, head of material in front of the screed, screed adjustments, mix design and temperature, air temperature and grade temperature.

Language

  • English

Media Info

  • Media Type: Print
  • Features: Photos;
  • Pagination: pp 20-22, 24
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 01052230
  • Record Type: Publication
  • Source Agency: UC Berkeley Transportation Library
  • Files: BTRIS, TRIS
  • Created Date: Jun 27 2007 4:16PM