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3 cards from this section. Quick, good the night before a test.
What is the primary consideration when selecting a hammer for concrete piles?
Think about the material properties of concrete.
Name the two main types of soil discussed in the guidelines.
These types are based on particle adhesion.
What type of hammer should be used for concrete piles in loose soil?
Think about the conditions that allow for flexible hammer choices.
True or False: Heavier hammers are generally recommended for non-cohesive soils.
Consider the type of energy needs based on soil types.
A technician has a pile hammer that weighs 750 kg; if he drops it from a height of 2 meters, how much blow energy is generated? What considerations should be taken into account for its use?
Use the blow energy formula discussed earlier.
You observe a construction site using double-acting hammers for concrete piles in medium dense soil. Discuss the potential consequences and provide an alternative recommendation.
Reflect on the soil types and hammer types discussed in relation to the material.
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