Concrete 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 CONCRETE CORROSION

Discussion from the May 2020 ACI Materials Journal

Publication: Materials Journal
Date: 5/1/2021

Performance of Glass Fiber-Reinforced Polymer Bent Bars

Publication: Structural Journal
Date: 3/1/2021

Seismic Flexural Strength of Reinforced Concrete Columns Corroded by Saline Soil

Publication: Structural Journal
Date: 3/1/2021

Stochasticity on Long-Term Behavior of Steel-/Carbon Fiber-Reinforced Polymer Prestressed Girders

Publication: Structural Journal
Date: 3/1/2021

Corrosion of Steel Reinforcement in Pervious Concrete with Conventional Concrete Cover

Publication: Materials Journal
Date: 3/1/2021

Mobility of Chloride in Concrete Subjected to Electrochemical Treatment

Publication: Materials Journal
Date: 3/1/2021

Statistical Distributions for Chloride Thresholds of Reinforcing Bars

Publication: Materials Journal
Date: 3/1/2021

Optimizing Test Parameters for Quantifying Critical Chloride Threshold

Publication: Materials Journal
Date: 3/1/2021

Steel Corrosion in Calcium Aluminate Cement Mortar against Chloride

Publication: Materials Journal
Date: 1/1/2021

Infiltration of H2SO4 through Concrete with and without Carbon Fiber-Reinforced Polymer Confinement

Publication: Materials Journal
Date: 1/1/2021

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