B 03 E
Electrochemical Half-Cell Potential Measurements for the Detection of Reinforcement Corrosion
Kategorie: DGZfP-Regelwerke, engl.
This specification describes the application of electrochemical half-cell potential measurements (frequently also called potential mapping) for the detection of reinforcement corrosion in reinforced concrete structures. Areas of corroding reinforcement steel can be located in a non-destructive manner by means of this procedure. Half-cell potential measurements are used in order to detect chloride-induced corrosion. However, it is not recommended in order to assess the risk of carbonation depth and the concrete cover appear to be more appropriate. Half-cell potential measurements can be used for:
– the detection of actively corroding areas
– the assessment regarding extent and distribution of reinforcement corrosion in reinforced concrete structures
– the planning of repair measures
– repetitive control and monitoring
- Purpose and range of application
- Qualification of the measurement technicians
- Limits of application of the electrochemical half‐cell potential measurement method for reinforced concrete structures
- Description of the procedure
- Equipment and on‐site conditions
- Taking measurements
- Evaluation and interpretation
- Information on calls for tender
- References
- Related literature
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