DEVELOP MORE SIGNIFICANT AND RAPID TEST PROCEDURES FOR QUALITY ASSURANCE PHYSICAL TESTS OF SIGNS, MARKING MATERIALS, AND COATINGS

EFFICIENT, NON-DESTRUCTIVE TESTS FOR COLOR AND VISIBILITY OF SIGNS AND PAVEMENT MARKINGS AND FOR PAINT COAT THICKNESS ARE TO BE DEVELOPED. INSTRUMENTAL OPTICAL METHODS, MAGNETICS DETERMINATIONS, RADIOGRAPHY, AND NUCLEONICS WILL BE INCLUDED. FOUR STUDIES ARE SUGGESTED: (1) ISOLATION OF THE VARIABLES AFFECTING THE NIGHT RETRO-REFLECTIVITY OF TRAFFIC STRIPING, INCLUDING: LIGHT ANGLE, BEAD SIZE, BEAD INDEX, BEAD CONCENTRATION, SUBSTRATE SURFACE IRREGULARITY; (2) QUALITY TESTS OF REFLECTORIZING BEADS; (3) TESTS CAPABLE OF MEASURING PAINT BEHAVIOR UNDER JOBSITE CONDITIONS; (4) RAPID LABORATORY TEST OF TRAFFIC PAINT DURABILITY.

• Supplemental Notes:
  • TASK FORCE 4-F-4
• Corporate Authors:

  Federal Highway Administration

  Office of Research and Development, 1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Publication Date: 1972-3-20

Media Info

• Features: References; Tables;
• Pagination: p. 128-30
• Serial:
  • Publication of: Ground Engineering /UK/
  • Volume: 4
  • Publisher: Ground Engineering

Subject/Index Terms

• TRT Terms: Materials tests; Quality control; Reflective signs; Retroreflection; Road marking materials; Road markings; Traffic paint
• Old TRIS Terms: Quality control testing; Reflector buttons; Retrodirective reflection; Traffic marking; Traffic marking materials
• Subject Areas: Geotechnology; Highways; Materials;

Filing Info

• Accession Number: 00217224
• Record Type: Publication
• Files: TRIS, USDOT
• Created Date: Aug 7 1972 12:00AM