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Research Reports

Grouting Concrete Reinforcing Steel: Review of WSDOT's Specifications and Proposed Modifications

Description: Improving the conditions of existing bridges often requires the addition of new portions to the in-place structures. This may be done by drilling and grouting reinforcing bars to join the new portion to the existing structure. Recently, fast-curing resins have been developed that expedite the grouting of reinforcing bars. On the other hand, epoxy-coated bars are specified in certain bridge components to prevent bars' corrosion. Resin grouting of epoxy-coated bars has cast doubt on the bond of the resin grout to the epoxy coating. This report is a brief summary of volume one of Bending/Straightening and Grouting Concrete Reinforcing Steel: Review of WSDOT's Specifications and Proposed Modifications.

  • Date Published: December, 1988
  • Publication Number: WA-RD 168.3
  • Last Modified: June 13, 2007
  • Authors: Khossrow Babaei, Neil M. Hawkins.
  • Originator: Washington State Transportation Center (TRAC)
  • # of Pages: 1 p., 73 KB (PDF)
  • Subject: Bonding and joining, Bridges, Corrosion protection, Epoxy resins, Grouting, Laboratory tests, Metal working, Reinforcing bars, Recommendations, Reinforced concrete, Reinforcement (Engineering), Reinforced steel, Specifications, Structural connection.
  • Keywords: Bonding, bridges, corrosion, concrete, embedment, embrittlement, epoxy-coated bars, grouting, joining, length, rebar, reinforcing steel, resins.
  • Related Publications: Bending/Straightening and Grouting Concrete Reinforcing Steel: Review of Washington Department of Transportation's Specifications and Proposed Modifications, (WA-RD 168.1).
    Bending/Straightening and Grouting Concrete Reinforcing Steel: Review of WSDOT's Specifications and Proposed Modifications, (WA-RD 168.2).


This abstract was last modified April 29, 2008