AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

Why does a high rate of rise (fast wall pour) often increase the lateral pressure formwork must resist?

Because the concrete cools faster Because a greater height of concrete remains fluid and exerts near-full hydrostatic pressure Because vibration is never used on fast pours Because form ties expand with heat only

Correct Answer:

Because a greater height of concrete remains fluid and exerts near-full hydrostatic pressure

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