CFRP bar anode

Corrosion inhibition, better bond

CFRP bars serve simultaneously as reinforcement and anode, inhibiting steel corrosion and improving steel-concrete bond under impressed current cathodic protection.

Huang, Xiaoxu · Zhou, Yingwu · Zheng, Xubin · Xing, Feng · Lili, Sui · Hu, Biao

Composite Structures 2023

Advantages

Cathodic protection significantly inhibited further steel corrosion

Bond performance of corroded steel bar-concrete was improved

Bond strength decreased with increasing ICCP current density and pre-corrosion ratio