14.1. Common Retrofitting Techniques

Try these first

1. 1.

   What is the purpose of surface coatings?

   Hint

   Think about how they shield the surface.

2. 2.

   Define grouting.

   Hint

   Consider it as filling gaps in a structure.

3. 3.

   What is the main purpose of cathodic protection?

   • To enhance aesthetics
   • To prevent corrosion
   • To strengthen concrete

   Hint

   What problem does it specifically address regarding reinforcement?

4. 4.

   True or False: Grouting involves injecting a mixture into cracks to fill them.

   • True
   • False

   Hint

   What action does it involve regarding cracks?

5. 5.

   Design a retrofitting plan for a concrete bridge showing significant signs of chloride-induced corrosion.

   Hint

   Think about preventive measures along with repairs.

6. 6.

   Analyze the effectiveness of using both grouting and jacketing in retaining wall retrofitting. Discuss the pros and cons.

   Hint

   Evaluate how each affects the overall performance of the structure.