5.3. Mechanism

Try these first

1. 1.

   Define dead loads.

   Hint

   Think about the weight of the building itself.

2. 2.

   What are live loads?

   Hint

   Consider movable objects in a structure.

3. 3.

   What are dead loads?

   • A. Permanent static loads
   • B. Temporary loads
   • C. Dynamic loads from wind

   Hint

   Remember the concept of permanent weight.

4. 4.

   True or False: Live loads are fixed and unchanging.

   • True
   • False

   Hint

   Think about what happens when a building is occupied.

5. 5.

   Consider a two-story building designed in a region with heavy snow. Calculate the snow load if the area of the roof is 400 m² and the expected snow load is 1.5 kN/m².

   Hint

   Remember the relationship between area and load.

6. 6.

   Design a bridge that can withstand dynamic live loads of 10 kN/m² and static dead loads of 30 kN/m². What will be your safety factor if the maximum expected load is 60 kN/m²?

   Hint

   Factor in all load types!