SAFE SIDE FRICTION FACTORS AND SUPERELEVATION DESIGN

IN PART I ABOUT 900 ROAD TESTS ARE REPORTED, DEALING WITH CURVATURE, SUPERELEVATION, AND THE SPEED AT WHICH SIDE PITCH IS FELT FIRST. THE PROPOSAL IS MADE IN PART II THAT HIGHWAYS BE SUPERELEVATED TO COUNTERACT WHERE POSSIBLE ALL CENTRIFUGAL FORCE FOR A SPEED OF 3/4 THE ASSUMED DESIGN SPEED, WITH THE FOLLOWING RESULTS AS COMPARED TO SUPERELEVATING TO COUNTERACT ALL CENTRIFUGAL FORCE FOR ALL OF THE ASSUMED DESIGN SPEED: AID TO SLOWER MOVING VEHICLES WITHOUT PENALIZING FASTER ONES; A SAFER HIGHWAY WHEN ALL TRAFFIC MOVES SLOWLY DUE TO SLIPPERY PAVEMENTS; NO EFFECT ON FUTURE REDESIGN TO REASONABLY HIGHER SPEEDS; AND GREATER UNIFORMITY IN THE DESIGN OF CURVES OF WIDELY DIFFERENT RADII. /AUTHOR/

  • Supplemental Notes:
    • Vol 16, pp 69-80, 9 FIG
  • Authors:
    • Barnett, J
    • Haile, E R
    • MOYER, R A
  • Publication Date: 1937

Media Info

  • Monograph Title: Proceedings of the Sixteenth Annual Meeting of the Highway Research Board Held at Washington, D.C. November 18-20, 1936
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00203485
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 8 1971 12:00AM