SC Marine Practice Questions - South Carolina Marine Contractor Examination Exam

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Air-entraining admixture is specified in many marine and exposed concrete mixtures primarily to do which of the following?

Eliminate the need for any cement Create microscopic air voids that improve freeze-thaw and deicer resistance and can improve workability Increase the water-cementitious ratio Replace all coarse aggregate

Correct Answer:

Create microscopic air voids that improve freeze-thaw and deicer resistance and can improve workability

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