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Review of Cathodic Protection Systems for Concrete Structures in Australia

Picture for Review of Cathodic Protection Systems for Concrete Structures in Australia
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A case study of a major CP system operating in Australia for 15 years and proposal of a series of changes to current practices which can be considered for implementation in the design, installation and monitoring stages of new impressed current cathodic protection systems in concrete.

 

Product Number: 51317--9024-SG
ISBN: 9024 2017 CP
Author: Atef Cheaitani
Publication Date: 2017
Industry: Cathodic Protection
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$20.00
$20.00

Impressed current cathodic protection (CP) for reinforced concrete structures is a proven technology which can provide long term corrosion prevention for marine structures if properly designed and installed. This technology has been applied to large a number of concrete structures in Australia over the past 30 years and it is the technology of choice for many asset owners for the protection of structures susceptible to chloride induced corrosion. While this technology has proven to be highly effective in providing corrosion protection to embedded steel reinforcement in some cases the maintenance and monitoring costs have been relatively high and this is often due to defects during the design and construction stage of the system. The review of performance of many operating CP systems in Australia has led to the conclusion that there are many areas of improvement which can be implemented to optimise the long term performance of impressed current CP systems. The areas of improvement include materials selection design installation and monitoring of CP systems. This paper will provide a case study of a major CP system operating in Australia for 18 years and will propose a series of changes to current practices which can be considered for implementation in the design installation and monitoring stages of new impressed current cathodic protection systems in concrete.

 

Key words: Corrosion, Cathodic, Chloride, Maintenance, Monitoring, Concrete

 

Impressed current cathodic protection (CP) for reinforced concrete structures is a proven technology which can provide long term corrosion prevention for marine structures if properly designed and installed. This technology has been applied to large a number of concrete structures in Australia over the past 30 years and it is the technology of choice for many asset owners for the protection of structures susceptible to chloride induced corrosion. While this technology has proven to be highly effective in providing corrosion protection to embedded steel reinforcement in some cases the maintenance and monitoring costs have been relatively high and this is often due to defects during the design and construction stage of the system. The review of performance of many operating CP systems in Australia has led to the conclusion that there are many areas of improvement which can be implemented to optimise the long term performance of impressed current CP systems. The areas of improvement include materials selection design installation and monitoring of CP systems. This paper will provide a case study of a major CP system operating in Australia for 18 years and will propose a series of changes to current practices which can be considered for implementation in the design installation and monitoring stages of new impressed current cathodic protection systems in concrete.

 

Key words: Corrosion, Cathodic, Chloride, Maintenance, Monitoring, Concrete

 

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Cathodic Protection on Steel Reinforced Concrete Marine Structures

Product Number: 51317--9219-SG
ISBN: 9219 2017 CP
Author: Douglas Leng
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The use of cathodic protection has become the preferred method for mitigating corrosion of steel reinforcement in concrete. A wide variety of both impressed current and sacrificial systems have been effectively used to control the effects of corrosion.
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51318-11584-CATHODIC PREVENTION-PROTECTION OF STEEL IN CRACKED CONCRETE

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This work seeks to determine the performance of cathodic prevention (CPrev) and cathodic protection (CP) systems applied to cracked concrete in a simulated marine environment.
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51317--9700-Galvanic Cathodic Protection for High Resistance Concrete in Marine Environments

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ISBN: 9700 2017 CP
Author: Ivan Lasa
Publication Date: 2017
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For reinforced concrete (RC) structures that are in drier locations but still need of cathodic protection (CP), impressed current cathodic protection (ICCP) systems are preferred. In this study, the performance of activated zinc anodes installed on dry or high resistance concrete on Florida Bridges was evaluated.

 
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