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3 cards from this section. Quick, good the night before a test.
What is the main purpose of a drop hammer in pile driving?
Think about how gravity helps in this process.
What is one requirement for selecting hammer weight?
How does the hammer help drive the pile effectively?
What is the purpose of a drop hammer?
Think about the impact of falling weights.
True or False: The hammer weight must always be greater than the pile weight.
Recall the lifting principles.
A double acting steam hammer weighs 18,000 kg. If you need to drive a pile weighing 25,000 kg, what safety measures do you consider regarding the equipment?
Think about the lifting capacity.
You have a concrete pile weighing 12,000 kg but only have access to a hammer weighing 10,000 kg. What strategy might you employ to safely drive the pile?
How does lifting height affect impact?
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