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About This Item


Full Description

This report gives general information regarding evaluating corrosion damage in structures reinforced with unbonded single-strand post-tensioning tendons. Historical development of those parts of the building code dealing with durability and corrosion protection is explained. Evolution of the types and components of unbonded tendons is described. Specific aspects of corrosion in unbonded single-strand tendons are described, and common problems in structures reinforced with these tendons are discussed. Methods are presented for repairing, replacing, and supplementing tendons.

Document History

  1. ACI 423.4R-14


    Report on Corrosion & Repair of Unbonded Single Strand Tendons

    • Most Recent
  2. ACI 423.4R-98

    Corrosion & Repair of Unbonded Single Strand Tendons

    • Historical Version