11.14.3. Rehabilitation Techniques

Try these first

1. 1.

   What is the purpose of jacketing in concrete rehabilitation?

   Hint

   Think about how you could reinforce something that is getting weak.

2. 2.

   Name one benefit of epoxy injection.

   Hint

   Consider a method that fixes leaks.

3. 3.

   What is Jacketing?

   • A method to coat steel reinforcements
   • A technique to encapsulate existing concrete for added strength
   • A type of epoxy repair

   Hint

   Remember that it adds a layer of protection.

4. 4.

   True or False: Epoxy injection is used to repair significant structural damage.

   • True
   • False

   Hint

   Consider the severity of cracks that can be fixed.

5. 5.

   Design a rehabilitation plan for a historical concrete bridge that shows signs of both corrosion and structural weakening. Include at least three rehabilitation techniques.

   Hint

   Consider the historical context of the structure and how modern techniques can be adapted.

6. 6.

   Critically evaluate the effectiveness of re-alkalization in scenarios where carbonation has severely compromised concrete.

   Hint

   Analyze the limitations of re-alkalization methods.