NEW TECHNIQUES IN ASPHALT PRODUCTION BY DRUM MIXER

LES NOUVELLES TECHNIQUES D'ENROBAGE PAR SECHEUR-MALAXEUR

The author describes the performance during the 1978 construction season of an Ermont drum-mixer/dryer asphalt plant installed at the National Research Station for Highway Research, under the direction of the French Department of Highways and Bridges. The plant has a capacity of 70 to 160 tons per hour, and produced during the period in question a total of 83000 tons. The installation was less than 200 meters from an urban zone, but noise measurements at the site ranged between 48 to 51 dBA. The author describes in detail results of tests for emissions of dust, smoke, and gases; tolerances in weighing and metering procedures for liquid asphalt, aggregates and mineral fillers, and aggregate stockpiling procedures. The central control systems allows rapid changes in the composition of a mix during the course of the day's production, while storage bins with four different types of aggregates permit a number of mix variations. The author concludes with figures showing the low energy consumptin of the plant. (IRF)

  • Supplemental Notes:
    • Presented at the Fourth IRF African Highway Conference, Nairobi, Kenya, January 20-25, 1980. For individual papers see TRIS Accession Numbers 311921 through 311971.
  • Corporate Authors:

    International Road Federation

    525 School Street, SW
    Washington, DC  United States  20024
  • Authors:
    • Malbrunot, P
  • Publication Date: 1980

Language

  • French

Media Info

  • Features: Figures; Tables;
  • Pagination: 16 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00311931
  • Record Type: Publication
  • Report/Paper Numbers: Conf Paper
  • Files: TRIS
  • Created Date: Jun 9 1980 12:00AM