9.15. Corrosion of Reinforcement in Concrete

Try these first

1. 1.

   What is one main cause of corrosion in concrete?

   Hint

   Think of what chemical elements can affect concrete.

2. 2.

   Name one strategy to limit corrosion.

   Hint

   What can be added to the material?

3. 3.

   What main element contributes to the corrosion of reinforcement?

   • High temperature
   • Chlorides
   • Low humidity

   Hint

   What type of salt can penetrate concrete?

4. 4.

   True or False: Carbonation increases the pH of concrete.

   • True
   • False

   Hint

   What happens to the basic levels of concrete during carbonation?

5. 5.

   You are a civil engineer tasked with assessing an old bridge that is showing signs of corrosion. Outline a rehabilitation plan addressing the corrosion issues.

   Hint

   Consider various corrosion mitigation techniques you've learned.

6. 6.

   Design a new waterfront facility that minimizes corrosion risks for its steel-reinforced concrete elements.

   Hint

   What innovative materials or designs could you incorporate?