Carbonation-induced corrosion
Definition
Steel corrosion driven by CO2 absorption into concrete, which reduces the pore-water pH from about 13 to below 9, destroying the passive oxide layer on embedded reinforcement and initiating corrosion.
Related terms
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- Hanger rod assembly
- The rod-and-nut connection that transfers a walkway beam's load upward to a suspension point. The Hyatt Regency failure occurred because a two-rod...
- Load path change
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- Prestressed concrete stay
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- Torsional oscillation
- Twisting motion of a bridge deck about its longitudinal axis, the mode responsible for the catastrophic final phase of the Tacoma Narrows...
Explained in
- Case Studies: Bridge CollapsesSteel corrosion driven by CO2 absorption into concrete, which reduces the pore-water pH from about 13 to below 9, destroying the passive oxide layer on embedde...