Report 423.4R-14 Report on corrosion and repair of unbonded single strand tendons

Publication Year

2014

Document Status

Withdrawn

Abstract

Gives general information regarding the evaluation of 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

Superseded by ACI-PRC 423.4-14. Supersedes ACI 423.4R-98.

Publisher Information