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

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

Publication: Special Publication
Date: 9/26/2018

Influence of the Emulsions to the Interface Formwork/Concrete

Publication: Special Publication
Date: 8/10/2018

Durability of Structures Made of or Strengthened using Textile Reinforced Concrete

Publication: Special Publication
Date: 8/10/2018

GFRP-Reinforced Concrete Columns Subjected to Seismic Loads

Publication: Special Publication
Date: 8/10/2018

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

Constant Chloride Flux Model to Predict Airborne-Chloride Penetration in Concrete

Publication: Special Publication
Date: 8/10/2018

Durability of RC Structures Made with Chloride-Contaminated Raw Materials

Publication: Special Publication
Date: 8/10/2018

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