4. Marine Durability

Try these first

1. 1.

   What is marine durability?

   Hint

   Think about the challenges faced by concrete in coastal areas.

2. 2.

   Name one factor that leads to chloride-induced corrosion.

   Hint

   Consider the effects of seawater.

3. 3.

   What is the main factor that causes chloride-induced corrosion?

   • Carbonation
   • Chloride penetration
   • Exposure to air

   Hint

   Focus on the properties of seawater.

4. 4.

   True or False: Sulphate attack can lead to expansion and cracking of concrete.

   • True
   • False

   Hint

   Consider the chemical reactions involved.

5. 5.

   Design a marine concrete mix with a focus on durability features. What components would you include and why?

   Hint

   Consider materials that enhance resistance and long-term performance.

6. 6.

   Given that a marine structure is experiencing premature cracking, assess the factors that may have contributed to this problem. What remedial actions can be proposed?

   Hint

   Focus on potential design flaws and appropriate solutions.