SC Wood Frame Structures Practice Questions - South Carolina Wood Frame Structures Contractor Examination Exam

During placement of a wall or footing, what is the purpose of internal vibration?

To consolidate the concrete around reinforcement and into corners without creating voids, without causing segregation To drive all coarse aggregate to the bottom so the top is only paste To add air so a non-air mix becomes freeze-thaw resistant To raise slump after unauthorized water has been added

Correct Answer:

To consolidate the concrete around reinforcement and into corners without creating voids, without causing segregation

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