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Basics of Corrosion in Reinforced Concrete

Basics of Corrosion in Reinforced Concrete
Available for download

Concrete is the second most common man-made material after potable water, yet it is a complex material that is poorly understood. Steel reinforcement is added to improve the concrete's tensile strength and ductility and is initially protected by the high concrete pH and depth of cover concrete. Eventually, due to the ingress of deleterious ions, lowering of the pH from carbonation, or electrical potential changes within the steel, corrosion will occur. 

Product Number: 41215-897-SG
Author: Fred Goodwin, Frank Apicella
Publication Date: 2015
Industries: Corrosion Monitoring and Control , Coatings , Coatings and Linings
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$20.00
$20.00

Concrete is the second most common man-made material after potable water, yet it is a complex material that is poorly understood. Steel reinforcement is added to improve the concrete's tensile strength and ductility and is initially protected by the high concrete pH and depth of cover concrete. Eventually, due to the ingress of deleterious ions, lowering of the pH from carbonation, or electrical potential changes within the steel, corrosion will occur. Steps can be taken throughout the concrete life cycle to minimize this damage through prevention, protection, or mitigation of corrosion. This paper will discuss the properties of concrete, the causes of concrete damage and deterioration, issues related to corrosion of reinforcing steel in concrete, and options to reduce the effects of concrete deterioration.

Concrete is the second most common man-made material after potable water, yet it is a complex material that is poorly understood. Steel reinforcement is added to improve the concrete's tensile strength and ductility and is initially protected by the high concrete pH and depth of cover concrete. Eventually, due to the ingress of deleterious ions, lowering of the pH from carbonation, or electrical potential changes within the steel, corrosion will occur. Steps can be taken throughout the concrete life cycle to minimize this damage through prevention, protection, or mitigation of corrosion. This paper will discuss the properties of concrete, the causes of concrete damage and deterioration, issues related to corrosion of reinforcing steel in concrete, and options to reduce the effects of concrete deterioration.

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