1.1. Imposed Live Loads

Try these first

1. 1.

   What are imposed loads?

   Hint

   Think about what happens when people or machines are placed on roofs.

2. 2.

   Name a typical load for flat roofs.

   Hint

   Consider what flat roofs are most likely used for.

3. 3.

   What are imposed live loads?

   • A. Forces structures must carry
   • B. Fixed loads
   • C. Decorative loads

   Hint

   Think about the specific loads during construction.

4. 4.

   True or False: Sloping roofs generally bear heavier imposed loads than flat roofs.

   • True
   • False

   Hint

   Recall the context of roof uses and designs.

5. 5.

   Given a flat roof needing to support personal access, snow, and maintenance equipment (totaling 8000 N), calculate the minimal area required if the imposed load is designed to be 2.0 kN/m².

   Hint

   Use the load formula and remember to convert correctly.

6. 6.

   Discuss the implications of selecting lower than required imposed loads in designs, considering real-life scenarios.

   Hint

   Think about famous failures in engineering history.