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2 cards from this section. Quick, good the night before a test.
What is meant by 'reserve load'?
Consider the extra 'safety margin' factored in by engineers.
Name one type of load that is variable.
Think of people or furniture as examples.
What is the main purpose of safety provisions in structural design?
Think about how these provisions aim to secure structures against failures.
True or False: Dead loads are more difficult to predict than live loads.
Consider the nature of both types of loads.
A building is designed to withstand a maximum live load of 1000 kg. During an unexpected event, it faces a load of 1500 kg. Assess the potential consequences, ensuring to include discussions on safety factors.
Consider how much the safety factor amplifies the design loads.
Discuss and calculate the necessary load factor for a bridge that must support a maximum expected live load and an additional safety margin. Assume design specifications allow for a safety margin of 1.5 for unexpected conditions.
Link the calculations back to the purpose of safety provisions to justify the results.
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