SLIDE 1
Welkom to the Cathodic Protection presentation
Speaker: Henk Roest
Agenda
- What is Cathodic Protection (CP)?
- Application of CP
- Types of CP
- Active CP for concrete
- Working of ICCP
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Welkom to the Cathodic Protection presentation Speaker: Henk Roest - - PowerPoint PPT Presentation
Welkom to the Cathodic Protection presentation Speaker: Henk Roest - - PowerPoint PPT Presentation
Welkom to the Cathodic Protection presentation Speaker: Henk Roest Agenda What is Cathodic Protection (CP)? Application of CP Types of CP Active CP for concrete Working of ICCP 2 What is Cathodic Protection (CP)?
SLIDE 2
SLIDE 3
What is Cathodic Protection (CP)?
- Cathodic Protection (CP) is a method to prevent corrosion and rests
- n the principle of lowering the current of the object subject to
protection.
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Application of CP
- Ships
- Tunnels & Viaducts
- Buildings
- Windmills
- Pipelines
- Tankparcs
- Quay walls
- Sheet piles
- Offshore platforms
- Etc.
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SLIDE 5
Types of CP
- Galvanic cathodic protection
- Passive
- Sacrificial anodes
- Impressed Current Cathodic Protection
- Active
- Elektronic anodes
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SLIDE 6
Galvanic cathodic protection
- Abbreviation (GCP)
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- Advantages
- Quick
- Simple
- Relative cheap
- Disadvantages
- Uncontrollable
- Maintenance
SLIDE 7
Impressed Current Cathodic Protection
- Abbreviation (ICCP)
- Advantages
- Controllable
- Feedback
- Durable
- Disadvantages
- Installation costs
- Consumes energy
- Wiring
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SLIDE 8
Active CP for concrete
- Stages of corrosion of rebar in concrete:
- Brownish drops or pits in concrete
- Red brown or dark stains on concrete
- Cracks in croncete
- Crumbled pieces of concrete
- Visible rebar, often corroded or partially decayed
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SLIDE 9
Working of ICCP
- Working of ICCP on concrete structures
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Anode Cathode
Applying continuity Reference- electrode
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SLIDE 10
Working of ICCP
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SLIDE 12
Thank you for your cooperation!
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