Corrosion, and Concrete Protection Training

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Corrosion, and Concrete Protection Training Course
Introduction:
In most sectors, corrosion is a prevalent and costly issue. When steel reinforcement in concrete constructions is exposed to the environment and other chemical species, it becomes evident. Examples of aggressive substances that might seep into moist concrete and eventually cause corrosion of the steel reinforcement include carbon dioxide, de-icing agents, seawater, etc. The concrete may begin to break due to corrosion agents, exposing more steel reinforcement. As a result, a destructive cycle of concrete and reinforcement deterioration is established, which ultimately results in the structure failing.
Course Objectives:
By the end of this training course, participants will be able to:
- Understand the basic principles of corrosion and its mechanisms
- Identify different types of corrosion with specific attention to concrete systems
- Recognize various aggressive agent and environmental factors affecting concrete systems corrosion
- Understand the application of relevant corrosion protection techniques including cathodic protection and coatings
- Have a knowledge of basic metallurgical considerations and materials of construction
- Understand how to develop and implement corrosion inspection and control programs
Who Should Attend?
This training course is suitable for a wide range of professionals but will greatly benefit:
- Maintenance and inspection engineers
- Construction & Civil engineers
- Risk assessment personnel and health & safety officers
- Facilities engineers and operators
- Managers and supervisors
- Project planners and procurement personnel
- Plant contractors
Course Outlines:
Fundamental Principles of Corrosion
- Introduction to principles of corrosion
- Corrosion cycle
- Kinetics of the corrosion reaction
- Electrochemical reactions
- Anodic and cathodic reactions
- Galvanic series
- Corrosion rates
- Materials of construction, types, and properties of steel
Types of Corrosion relevant to Concrete Systems
- Forms of Corrosion
- Uniform corrosion
- Bimetallic corrosion
- Pitting corrosion
- Concentration cell corrosion
- Stress corrosion cracking
- Erosion corrosion
- Corrosion and fatigue
Corrosion in Concrete Structures and Influencing Factors
- Defects in concrete structures
- Corrosion process in concrete structures
- Concrete system corrosion timeline
- Influence of the environment
- Macro-cell corrosion of steel reinforcement
- pH levels and alkalinity of concrete
- Influence of hydroxides
- Influence of aggressive agents and solutions, carbon dioxide, seawater, etc.
- Carbonation
- Chloride contamination
- Chloride limits for various types of concrete systems, reinforced, pre-stressed, etc.
- Penetration of concrete structures
- Porosity and permeability
- Corrosion induced cracking of the concrete
Concrete Structures Corrosion Inspection and Monitoring
- Design against corrosion
- Methods to control or prevention
- Cathodic protection systems
- Impressed-current protection
- Sacrificial concrete anode systems and Anode mesh systems
- Thermal spray anodes
- Reinforced steel coatings
- Repair and rehabilitation of concrete
- Identify Rehabilitation Alternatives
- Relevant standards
Inspection and Monitoring of Concrete Structures Corrosion
- Determining possible causes of failure
- Preliminary and detailed inspections
- Delamination survey
- Core extraction and testing
- Nondestructive testing of to Determine Concrete Cracks
- Crack Survey
- Pachometer (Cover) Survey
- Chloride content determination
- Moisture content determination
- Half-cell Potential