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
- Aeroelastic Flutter
- A self-reinforcing oscillation in which a structure's motion modifies the aerodynamic forces acting on it in a way that amplifies the motion...
- 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
- An alteration during design or construction that modifies which structural elements carry which loads. Unrecognised load path changes are among the most...
- Prestressed Concrete Stay
- A structural cable or member in which high-strength steel tendons are tensioned within a concrete encasement. The Ponte Morandi stays used this...
- 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...