SC Concrete Paving Practice Questions - South Carolina Concrete Paving Contractor Examination Exam

What is the main purpose of internal vibration when placing pavement or formed concrete?

To add extra water to the mix To consolidate the concrete by releasing trapped air and filling around reinforcement and into corners To accelerate set so joints can be sawed immediately To increase slump after the truck has left

Correct Answer:

To consolidate the concrete by releasing trapped air and filling around reinforcement and into corners

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