11.1. Definition of Durability

Try these first

1. 1.

   What is the definition of durability in concrete?

   Hint

   Think about how concrete performs over time.

2. 2.

   Name one factor that affects the durability of concrete.

   Hint

   Consider the mixing and environmental factors.

3. 3.

   What term refers to concrete's ability to resist environmental degradation?

   • Strength
   • Durability
   • Flexibility

   Hint

   Think about how long concrete lasts in different conditions.

4. 4.

   True or False: A higher water-cement ratio typically increases the durability of concrete.

   • True
   • False

   Hint

   What happens to wet concrete as it hardens?

5. 5.

   Design a concrete mix for a marine environment. Explain the factors you must consider to enhance its durability.

   Hint

   What are the environmental challenges faced by marine concrete?

6. 6.

   Evaluate a current concrete structure exhibiting signs of deterioration. Analyze what factors may have led to its reduced durability.

   Hint

   Look for signs of water ingress and micro-cracks.