CRACKS OPEN OVER REBAR RESEARCH

The controversy over the corrosion resistance of epoxy-coated rebars is discussed, as well as how the epoxy-coated reabar performs in wet, salty environments. Since it was developed in the 1970s, the epoxy-coated rebar has been used extensively in bridges and other structures. But questions about the effectiveness of the coating arose after bars in several bridges in the Florida Keys built in the early 1980s began to corrode. A lawsuit filed by the Concrete Reinforcing Steel Institute regarding such rebars is discussed. The opinion is expressed, that epoxy-coated rebars no longer can be relied upon to provide maintenance-free bridge structures in corrosive environments in North America for longer than 15 years in northern environments, and 5 years in southern exposures. Other protective measures are recommended such as cathodic protection, membranes, latex modified or silica fume concrete and sealers.

  • Availability:
  • Corporate Authors:

    McGraw-Hill, Incorporated

    330 West 42nd Street
    New York, NY  United States  10036
  • Publication Date: 1992-5-11

Media Info

  • Pagination: p. 9
  • Serial:
    • ENR
    • Volume: 228
    • Issue Number: 19
    • Publisher: McGraw-Hill, Incorporated
    • ISSN: 0891-9526

Subject/Index Terms

Filing Info

  • Accession Number: 00621877
  • Record Type: Publication
  • Files: TRIS, ATRI
  • Created Date: May 31 1992 12:00AM