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.

Practice oriented papers and articles ON CONCRETE CORROSION

Mix-Design of a Long-Term Durable Concrete for the Reinforced Foundations in the Bridge on the Straits of Messina, Italy

Publication: Special Publication
Date: 7/1/2022

The Conservation State of Highway Foundation Bridge Piles

Publication: Special Publication
Date: 7/1/2022

Cement-Based Composites in Structural Health Monitoring

Publication: Special Publication
Date: 7/1/2022

Microstructure of Cement/Clay paste with Aluminum bar after 1 year storage in Fresh Water and in 6% NaCl

Publication: Special Publication
Date: 7/1/2022

Influence of Steel Fibers on Durability Properties of UHPFRC

Publication: Special Publication
Date: 7/1/2022

Characterization of Recycled Asphalt Pavement as Aggregate for Concrete

Publication: Special Publication
Date: 7/1/2022

Mix-Designs of Concretes in Durable Reinforced and Prestressed Structures of a Viaduct for a Railway Train Connecting Venice with Cortina, in Italy

Publication: Special Publication
Date: 7/1/2022

Live Load Distribution in a Slab-on-Girder Bridge Subjected to Corrosion and Differential Settlement

Publication: Special Publication
Date: 5/31/2022

Axial Compression Capacity of Concrete Columns Reinforced with GFRP and Stainless Reinforcement

Publication: Special Publication
Date: 4/1/2022

Remaining Service Life Assessment of Bridge Abutments Using Different Models: Comparative Study

Publication: Special Publication
Date: 4/1/2022

Search all Articles on concrete corrosion »


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