ACCELERATED ABRASION TESTS OF POLYMERIC PROTECTIVE COATINGS FOR CORRUGATED METAL PIPE

The results of 30 accelerated abrasion tests simulating abrasive flow inside a corrugated metal pipe are presented. The abrasion characteristics of two polymeric coatings, Nexon and Plasticote, which are intended for compliance with AASHTO Designation: M246, are compared with those of the traditional hot-dipped asphalt coating complying with AASHTO Designation: M190. All specimens were tested in the corrugated condition and water temperatures varied from 50 deg F to 105 deg F. It is concluded that polymeric coatings complying with M246 do not necessarily possess abrasion resistance equal to that of hot-dipped asphalt coatings complying with M190. It is recommended that any future abrasion studies of these products be conducted with pilot installations where abrasive flow is considered relatively severe. While the accelerated laboratory tests are good indicators of relative abrasion resistance, they do not consider conditions such as contamination of the coatings in production, damage to the coatings in shipment and placement, and aging of the coatings. /Author/

  • Corporate Authors:

    California Department of Transportation

    Transportation Laboratory
    5900 Folsom Boulevard
    Sacramento, CA  USA  95819
  • Authors:
    • Crozier, W F
    • STOKER, J R
    • Nordlin, E F
  • Publication Date: 1977-1

Media Info

  • Features: Figures; References;
  • Pagination: 29 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00179727
  • Record Type: Publication
  • Report/Paper Numbers: CA-DOT-TL6738-1-77-01Final Rpt
  • Files: TRIS, STATEDOT
  • Created Date: Oct 12 1978 12:00AM