9. Limitations of Aluminum in Civil Engineering

Try these first

1. 1.

   What is one limitation of aluminum concerning fire safety?

   Hint

   Think about how temperatures affect materials.

2. 2.

   How does the cost of aluminum compare to steel?

   Hint

   Consider why materials are chosen based on budget.

3. 3.

   What is a major limitation of aluminum compared to steel?

   • Lower cost
   • Higher stiffness
   • Lower fire resistance
   • Greater durability

   Hint

   Think about how materials behave under high temperatures.

4. 4.

   True or False: Aluminum is less expensive than steel.

   • True
   • False

   Hint

   Remember the discussion on material costs.

5. 5.

   Design a small pedestrian footbridge using aluminum while considering its limitations. Discuss how you might mitigate the issues of cost, stiffness, fatigue, and fire resistance.

   Hint

   Use creative engineering solutions.

6. 6.

   Evaluate a design proposal for a school with aluminum roofing, detailing the pros and cons, especially relating to aluminum's cost and fire resistance.

   Hint

   Focus on the holistic view of aluminum applications.