SLIPPERY PAVEMENTS

THE FOLLOWING SUBJECTS ARE DISCUSSED RELATING TO SLIPPERY PAVEMENTS: (1) MEASUREMENT OF PAVEMENT FRICTION, (2) DEVELOPMENT OF REALISTIC SKID RESISTENCE COEFFICIENTS (RECONDITIONING OF WORN PAVEMENTS SO AS TO IMPROVE THEIR FRICTION LEVELS), (3) CONSTRUCTION TECHNIQUES TO INSURE SPECIFIC FRICTION LEVELS OF NEW PAVEMENTS, (4) PAVEMENT WEAR AND THE FACTORS INVOLVED IN SPECIFYING AGGREGATE AND CONSTRUCTION QUALITY REQUIREMENTS TO LENGTHEN THE SERVICE LIFE OF PAVEMENT SURFACES, AND (5) INTERFACE CHARACTERISTICS BETWEEN THE TIRES AND WET PAVEMENTS. SKID RESISTANCE SURFACES ARE DISCUSSED AND ALSO THE TECHNIQUE OF GROOVING PAVEMENTS. BEFORE AND AFTER STUDIES ARE REPORTED RELATED TO PAVEMENT GROOVING. IT IS CONCLUDED THAT PAVEMENT SLIPPERINESS DEPENDS PRIMARILY ON TWO FACTORS: (1) COEFFICIENT OF FRICTION, AND (2) TEXTURE OF THE SURFACE. AT THE STATE LEVEL IN CALIFORNIA, BITUMINOUS AND PORTLAND CEMENT CONCRETE PAVEMENTS ARE TREATED DIFFERENTLY. ASPHALT PAVEMENT CONSTRUCTION IS CONTROLLED BY A COMBINATION END POINT QUALITY AND METHOD SPECIFICATION USING A MIX DESIGN WHICH IS KNOWN TO GIVE A NONSKID SURFACE. PORTLAND CEMENT CONCRETE PAVEMENTS ARE CONTROLLED BY AN END POINT COEFFICIENT OF FRICTION OF 0.30 AND THE TEXTURE IS CONTROLLED BY REQUIRING FINISHING WITH A BURLAP DRAG.

• Supplemental Notes:
  • 9 Pp, 4 Fig
• Corporate Authors:

  Institute of Traffic Engineers

  2029 K Street, NW
  Washington, DC    20006
• Authors:
  • BEATON, J L
• Conference:
  • Institute of Traffic Engineers, 39th Annual Meeting
• Publication Date: 1969-8

Subject/Index Terms

• TRT Terms: Before and after studies; Coefficient of friction; Pavement grooving; Pavements; Service life; Skid resistance; Skid resistance tests; Skidding; Slipperiness; Surface course (Pavements); Texture
• Subject Areas: Design; Highways; Pavements;

Filing Info

• Accession Number: 00207052
• Record Type: Publication
• Files: TRIS
• Created Date: Feb 9 1970 12:00AM