corrosion Topic

Corrosion

Definition: deterioration of a material, usually a metal, that results from a chemical reaction with its environment.- ACI Concrete Terminology


Corrosion occurs when the protective layer in concrete steel reinforcement is destroyed. Steel in concrete is usually protected against corrosion by the high pH of the surrounding portland-cement paste. Cement paste has a minimum pH of 12.5, and steel will not corrode at that pH. If the pH is lowered (for example, to pH 10 or less), corrosion may occur if moisture, oxygen, and chloride ions are present. Chloride ions destroy the protective layer on the steel reinforcement, making it prone to corrosion. The corrosion product (rust) occupies a greater volume than the steel and exerts destructive stresses on the surrounding concrete.

JOURNAL Articles ON CORROSION

The Franklin Avenue Bridge

Publication: Concrete International
Date: 8/1/2017

Chemicoelectrical Response of Concrete Bonded with Carbon Fiber-Reinforced Polymer Sheets in a Corrosive Environment

Publication: Materials Journal
Date: 7/1/2017

The Franklin Avenue Bridge

Publication: Concrete International
Date: 6/1/2017

Reduction of Water Inflow by Controlling Cracks in FRC Tunnel Segments

Publication: Special Publication
Date: 6/1/2017

Evolution of ACI 562 Code—Part 11

Publication: Concrete International
Date: 5/1/2017

Fiber-Reinforced Concrete in Closure Pours over Piers

Publication: Materials Journal
Date: 5/1/2017

Pitting Susceptibility of Concrete Reinforcing Steel Bars Having Manganese Sulfide Inclusions

Publication: Materials Journal
Date: 5/1/2017

Punching and post-punching response of slabs

Publication: Special Publication
Date: 4/1/2017

Structural applicability of polypropylene fibres: Deep and wide-shallow beams subjected to shear

Publication: Special Publication
Date: 3/17/2017

Optimization of input parameters for material modelling of fibre-reinforced concrete and application to the numerical simulation of tunnel lining

Publication: Special Publication
Date: 3/17/2017

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