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Mechanism of Corrosion Mitigation of Post-Tensioned Tendons by Impregnation

Grouting deficiencies of post-tensioned tendons have been associated with accelerated corrosion of the strands. A corrosion mitigation method by which a fluid is introduced via the interstitial spaces between the wires of a tendon’s strand has been recently implemented with promising results. Findings are presented of experimental and multiphysics modeling simulation work in progress to examine the relative importance of alternative corrosion mitigating mechanisms including oxygen transport limitation cathodic and anodic inhibition and ohmic resistance increase.

Product Number: 51319-13449-SG
Author: Hesham Mraied
Publication Date: 2019
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