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51316-7524-Test Protocol to Evaluate the Effectiveness of Embedded Sacrificial Anodes in Reinforced Concrete

Picture for Test Protocol to Evaluate the Effectiveness of Embedded Sacrificial Anodes in Reinforced Concrete
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Product Number: 51316-7524-SG
ISBN: 7524 2016 CP
Author: Neal Berke
Publication Date: 2016
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$20.00
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Reinforced concrete subjected to severe chloride exposures will often have severe corrosion occurring in discreet locations. A typical repair involves removing the distressed concrete replacing reinforcing bar if necessary and filling the repair with cementitious material that is often concrete. Steel in the repair location often becomes a cathode to the surrounding steel resulting in corrosion of the bars in the concrete near the patch. One means to mitigate the acceleration of corrosion in the areas near the patch is to embed sacrificial anodes into the patch. These anodes provide cathodic protection to the steel near the patch as well as to the steel in the patch. This paper describes a new test protocol issued by the US Bureau of Reclamation that can ascertain the effectiveness of embedded sacrificial anodes in mitigating corrosion on steel outside of the repair patch.
Reinforced concrete subjected to severe chloride exposures will often have severe corrosion occurring in discreet locations. A typical repair involves removing the distressed concrete replacing reinforcing bar if necessary and filling the repair with cementitious material that is often concrete. Steel in the repair location often becomes a cathode to the surrounding steel resulting in corrosion of the bars in the concrete near the patch. One means to mitigate the acceleration of corrosion in the areas near the patch is to embed sacrificial anodes into the patch. These anodes provide cathodic protection to the steel near the patch as well as to the steel in the patch. This paper describes a new test protocol issued by the US Bureau of Reclamation that can ascertain the effectiveness of embedded sacrificial anodes in mitigating corrosion on steel outside of the repair patch.
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