corrosion in concrete Topic

Corrosion in Concrete

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.

Practice oriented papers and articles ON CORROSION IN CONCRETE

Influence of the positioning of CFRP laminates for improving punching shear capacity of column-to-slab connections

Publication: Special Publication
Date: 11/1/2018

Durability of GFRP Reinforcement in Seawater Concrete

Publication: Special Publication
Date: 11/1/2018

State-of-the-Practice of Global Manufacturing of FRP Rebar and Specifications

Publication: Special Publication
Date: 11/1/2018

Advantages of Prepreg FRP Systems for Extending Service Life of Concrete Members in Wet Environments

Publication: Special Publication
Date: 11/1/2018

Novel Composites Jacket for Repair of Concrete Columns

Publication: Special Publication
Date: 11/1/2018

A Dual-Functional Intervention Method for Sea-Sand Concrete Structure

Publication: Special Publication
Date: 9/26/2018

Forecasting Durability of Reinforced Concrete Structures Under Weathering

Publication: Special Publication
Date: 8/10/2018

Corrosion Induced Cracking in Concrete Exposed to a South Africa Inland Environment

Publication: Special Publication
Date: 8/10/2018

Effect of Hardening Conditions on the Structure of Cement

Publication: Special Publication
Date: 8/10/2018

Analytical Modelling of RC Members Subjected to Reinforcing Bar Corrosion and Buckling

Publication: Special Publication
Date: 8/10/2018

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