Through the use of theory and in road service tests the 2 most common types of floating beads, narrow and broad gradation, were evaluated. These tests, which included several control lines using a broad-gradation non-floating bead, showed that the broad-gradation floating bead performed best under all conditions. The narrow-gradation floating beads gave good reflectivity under dry conditions but invariably demonstrated poor reflectivity under the slightest rainfall conditions. These effects are demonstrated through the use of wet and dry night photographs of dual centerline test sections.

Media Info

  • Media Type: Print
  • Features: Figures; References;
  • Pagination: pp 94-100
  • Monograph Title: Corrosion, concrete, quality control and paint beads
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00126836
  • Record Type: Publication
  • ISBN: 0309023904
  • Files: TRIS, TRB
  • Created Date: Dec 16 1975 12:00AM