5.1. Benefits of Composite Materials

Try these first

1. 1.

   What are composite materials?

   Hint

   Think about materials combined for improving properties.

2. 2.

   Why might we choose timber for submerged conditions?

   Hint

   Consider the advantages of wood in water.

3. 3.

   Composite materials are made from:

   • A single material
   • Two or more materials
   • Only synthetic materials

   Hint

   Think about what composite means.

4. 4.

   True or False: Pre-stressing increases the bending strength of concrete.

   • True
   • False

   Hint

   Consider how tension affects materials.

5. 5.

   Design a composite pile for a construction project on a sandy soil site. What materials would you choose and why?

   Hint

   Think of load distribution and site conditions.

6. 6.

   Evaluate a scenario where pre-stressing isn't beneficial for a particular type of construction. What could the reasons be?

   Hint

   Consider when tension isn't necessary.