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3 cards from this section. Quick, good the night before a test.
Define a tower crane.
Think about the features that make it suitable for high-rise buildings.
What is SWL?
Consider the factors that affect safety in lifting operations.
What does SWL stand for?
It’s about weight limits for safety.
True or False - Bottom-slewing cranes are suitable for high-rise buildings.
Think about how these cranes operate.
Given a load of 1000 kg located 10 meters from the fulcrum on a tower crane, calculate the necessary counterweight that needs to be placed 5 meters from the fulcrum for stability. Consider the weight of the boom as 200 kg.
Balance the moments on either side of the fulcrum.
If a top-slewing crane has a maximum lifting capacity of 2000 kg, calculate its capacity at a radius of 15 meters, given that its stability is reduced by half at that radius.
Think about how radius affects the crane's capabilities.
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