REPORT OF COMMITTEE ON ANTISKID PROPERTIES OF ROAD SURFACES, APPARATUS FOR DETERMINING SKID RESISTANCE OF PAVEMENTS

TWO GENERAL TYPES OF APPARATUS HAVE BEEN USED IN THE MEASUREMENT OF THE SLIPPERINESS OF PAVEMENTS-TRAILERS AND SINGLE WHEELS ATTACHED AT AN ANGLE TO THE PROPELLING VEHICLE. DESCRIPTION OF TYPES OF APPARATUS INCLUDES THAT USED BY MOYER AT IOWA, STINSON AND ROBERTS IN OHIO, THE MINISTRY OF TRANSPORT IN ENGLAND, AND BOUTTEVILLE, BOULY AND THE SYNDICAT S.F.E.R.B. IN FRANCE. DANGER SPOTS IN A ROAD SYSTEM CAN BE READILY DETECTED BY ROUTINE TESTING OF HIGHWAYS FOR THE DETERMINATION OF THE COEFFICIENT OF FRICTION BETWEEN THE TIRES AND ROAD. THE TRAILER TYPES OF TESTING APPARATUS POSSESSES SEVERAL ADVANTAGES FOR THIS WORK. EITHER THE LONGITUDINAL COEFFICIENT OR THE SIDEWAYS FORCE COEFFICIENT IS A SATISFACTORY DETERMINANT. IT IS POINTED OUT THAT TIRES USED SHOULD BE SMOOTH AND KEPT INFLATED TO A UNIFORM PRESSURE, THAT TESTS SHOULD BE RUN AT THE HIGHEST PRACTICAL SPEED-CERTAINLY NOT LESS THAN 30 M.P.H. AND THAT THE PAVEMENT SHOULD BE WET. TESTS OF SURFACE TYPES ARE NOT SUFFICIENT; EACH INDIVIDUAL SECTION OF ROAD REQUIRED INVESTIGATION. ALTHOUGH NO TESTS HAVE BEEN RUN OVER THE SAME PIECE OF ROAD BY THE VARIOUS KINDS OF TESTING APPARATUS, A COMPARISON OF RESULTS INDICATES A FAIRLY CLOSE CHECK. /AUTHOR/

  • Supplemental Notes:
    • Vol 17, ParT I, PP 121-135, 6 FIG, 13 PHOT; part of Report of Department of Design
  • Authors:
    • Martin, G E
    • Swanberg, J H
  • Publication Date: 1938

Media Info

  • Monograph Title: Proceedings of the Seventeenth Annual Meeting of the Highway Research Board Held at Washington, D.C. November 30, December 1, 2, 3, 1937. Part I
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00207173
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 15 1971 12:00AM