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4 cards from this section. Quick, good the night before a test.
What does Base Shear (Vb) refer to?
Think about it in terms of forces acting on a building.
Define Lateral Force (Q) in terms of a building.
Consider how forces vary from the base to the top during an earthquake.
What does the term 'Base Shear (Vb)' represent?
Consider what acts directly at the base during an earthquake.
True or False: The height of a building does not influence lateral force distribution.
Reflect on how height impacts force and stability.
A four-story building has the following weights and heights: Level 1 has 10000 kg at height 3m, Level 2 has 15000 kg at 6m, Level 3 has 12000 kg at 9m, Level 4 has 8000 kg at 12m. Calculate the lateral force at each level using base shear Vb = 50000 N.
Remember to square the height for each level!
Discuss how incorrect base shear distribution might impact the safety of a tall building in an earthquake scenario.
Think about how forces would not be adequately supported if they are not calculated correctly.
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