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2 cards from this section. Quick, good the night before a test.
What is the first step in the erection of a tower crane?
Think about what the crane will rest on.
What aspect decreases the lifting capacity of a tower crane as boom length increases?
Consider the relationship between stability and load.
What is the main reason for a solid foundation in crane erection?
What happens if the foundation isn’t solid?
True or False: The dismantling procedure for a crane is identical to the erection procedure.
Think about the steps involved in both processes.
Calculate the lifting capacity of a tower crane with a 30m boom radius, given that the stabilizing moment from the counterweights is 50kNm.
What factors had to be balanced in our earlier discussions?
Discuss how you would adjust operations on a construction site when wind speeds exceed 72 km/h as indicated by crane safety regulations.
Why must certain actions be taken during high winds?
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