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This technical report presents evaluation techniques which can potentially be used to complement performance criteria of international standards, especially if the criteria cannot be employed to evaluate the effectiveness of cathodic protection and corrosion control techniques applied to existing reinforced concrete structures, including atmospherically exposed, buried, and submerged structures.
This report:
This report is intended to be useful to architects, structural engineers, architectural conservators, and consulting engineers/contractors who are engaged in refurbishing steel-reinforced concrete structures and buildings.
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This standard practice describes appropriate prevention and mitigation measures that can be applied to RC and PC structures that are, or can be, exposed to stray-currents from external sources in order to minimize or eliminate stray-current corrosion. This standard practice addresses only steel corrosion related issues, and does not deal with issues of safety and hazards to people or structures associated with DC and AC voltages; these are covered in national standards and regulations, such as EN 50443 and EN 50122-1.
Testing and investigative procedures for evaluation of conventionally reinforced concrete structures. Focus on degradation from corrosion of reinforcing steel.
Corrosion control guidelines that are applicable to existing atmospherically exposed structures made of conventionally reinforced concrete. Historical Document 2006
Corrosion control guidelines for structures of steel reinforced portland cement concrete. Corrosion criteria during design. Tests of soil and water pH, resistivity, chlorides, sulfates, sulfides, bacteria, etc. Historical Document 1987
Selection of coatings for concrete surfaces in nonimmersion and atmospheric services. Chemical properties. Surface preparation. Service conditions. General properties. Testing. Historical Document 1991
DOWNLOADABLE HISTORICAL DOCUMENT Maintenance of reinforced-concrete structures (site survey, structural survey, repair options) and corrosion-control techniques. Sources of additional information, bibliographic information, definitions.
Corrosion control guidelines that are applicable to existing atmospherically exposed structures made of conventionally reinforced concrete. Historical Document 1990
HISTORICAL DOCUMENT. Cathodic protection (CP) of reinforcing steel in concrete structures. Impressed current CP systems for atmospherically exposed reinforced concrete. Not valid for pre-stressed. Historical Document 1990
DOWNLOADABLE HISTORICAL DOCUMENT. Cathodic protection (CP) of reinforcing steel in concrete structures. Impressed current CP for atmospherically exposed reinforced concrete. Not intended for application to prestressed concrete.
This NACE standard presents guidelines for cathodic protection (CP) of reinforcing steel in buried or submerged concrete structures. These guidelines provide corrosion control personnel with information to control corrosion of conventional reinforcing steel in portland cement concrete structures through the application of CP. The guidelines presented in this standard are limited to CP systems for new or existing buried or submerged reinforced concrete elements.