A DESIGN FOR LOW TRAFFIC-VOLUME MUNICIPAL ROADS

A STUDY WAS CONDUCTED OF LOW-TRAFFIC-VOLUME ROADS USING THE BENKELMAN BEAM METHOD TO ESTABLISH DESIGN CRITERIA AND TO STUDY THE SEASONAL STRENGTH FLUCTUATIONS OF THE ROADS. THE ROADS OF TWELVE MUNICIPALITIES IN SOUTHERN ONTARIO WERE ARBITRARILY CHOSEN FOR THIS EVALUATION STUDY OF SOME 340 URBAN CENTERS, 37 COUNTIES, 12 DISTRICTS AND 500 ORGANIZED AND UNORGANIZED TOWNSHIPS. THE MUNICIPALITIES CHOSEN REPRESENT 4 URBAN CENTERS, 6 COUNTIES AND 2 TOWNSHIPS. MEASUREMENTS OF PAVEMENT THICKNESS, PERFORMANCE SURVEYS, EVALUATION OF MATERIALS USED AND BENKELMAN BEAM REBOUND TESTS WERE CARRIED OUT PERIODICALLY ON 84 SAMPLE PAVEMENT SECTIONS. A TRAFFIC-DEFLECTION RELATIONSHIP WAS EVOLVED THAT RESULTED IN THE ESTABLISHMENT OF DESIGN CRITERIA BASED ON THE NUMBER OF EQUIVALENT 18 KIP SINGLE-AXLE LOADS PER DAY AND TOLERABLE PAVEMENT DEFLECTIONS. THE EVALUATION PROCEDURE USED WAS FOUND TO BE EFFECTIVE AND ECONOMICAL WHEN APPLIED TO THESE LOW TRAFFIC VOLUME ROADS AND STREETS. THE RESULTS OF THE STUDY CONFIRM THAT THE CAUSE OF THE SEASONAL VARIATION IN PAVEMENT PERFORMANCE AND STRENGTH OF THESE LOW TRAFFIC VOLUME ROADS IS LARGELY DUE TO THE EXISTING ENVIRONMENTAL CONDITIONS. THEREFORE, IT IS IMPORTANT THAT EVALUATION AND DESIGN OF SUCH ROADS MUST BE BASED ON BENKELMAN BEAM DEFLECTION MEASUREMENTS TAKEN IN THE SPRING WHEN THE STRENGTH OF THE ROADS IS WEAKEST. /AUTHOR/

  • Supplemental Notes:
    • Dho Rept No RR 156, 27 PP, 19 FIG, 6 TAB, 2 APP
  • Corporate Authors:

    Ontario Department of Highways

    1201 Wilson Avenue
    Toronto, Ontario M3M 1J8,   Canada 
  • Authors:
    • Chong, G J
    • Stott, G M
  • Publication Date: 1970-2

Subject/Index Terms

Filing Info

  • Accession Number: 00205790
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 19 1970 12:00AM