SC Marine Practice Questions - South Carolina Marine Contractor Examination Exam

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Reinforced concrete in the tidal or splash zone of a Charleston pier is assigned ACI 318 Exposure Class C2 (moisture plus an external chloride source). What is the code maximum water-cementitious materials ratio and the companion minimum specified compressive strength?

0.55 and 2,500 psi 0.50 and 3,000 psi 0.40 and 5,000 psi 0.70 and 2,000 psi

Correct Answer:

0.40 and 5,000 psi

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