Corrosion Surveying

1. What is Corrosion Surveying?

Corrosion Surveys are testing methods CSI use to determine the causes and the action of corrosion, particularly in steel reinforcement. These methods include:

  1. Visual Inspection
  2. Identifying Concrete Cover (through scans or physical measurement)
  3. Chloride Content Test
  4. Testing for Carbonation of Concrete
  5. Rebar Corrosion Determination – Half-cell Potential Testing

2. When would you use Corrosion Surveying?

When you need to know the condition of reinforcement and its susceptibility to corrosion. e.g. in a basement wall panel where cracks have developed, or in a bridge beam exposed to sea water

3. What are the Benefits of Corrosion Surveying?

  • The variety of methods ensure the corrosion survey is conducted to a high standard
  • Can help identify problem areas before damage occurs – saving the client money
  • If repair work is required, due to corrosion, client can determine which areas are
    high priority rather that undertaking full-scale repairs

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