21.4.4. Durability of FRC

Try these first

1. 1.

   What problem do steel fibers face regarding durability?

   Hint

   Think about what happens to metal outdoors.

2. 2.

   Name one way to protect steel fibers.

   Hint

   What could cover a metal?

3. 3.

   Which of the following describes a major durability challenge of steel fibers?

   • A) UV degradation
   • B) Corrosion
   • C) Biodegradation

   Hint

   Think about how metal reacts to moisture.

4. 4.

   True or False: Polymeric fibers are resistant to corrosion.

   • True
   • False

   Hint

   What happens to plastic versus metal in water?

5. 5.

   Evaluate the long-term performance impact of using natural fibers in a wet environment. What strategies can mitigate these issues?

   Hint

   Consider how natural materials behave in nature.

6. 6.

   Create a proposal for a Fiber-Reinforced Concrete mix that takes into account the durability of different fiber types. Discuss choices made based on environmental exposure.

   Hint

   Think about the environment where the concrete will be placed.