SC Marine Practice Questions - South Carolina Marine Contractor Examination Exam

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For concrete exposed to moderate sulfate conditions in coastal soils or brackish water, PCA practice commonly points to which portland cement type (or an equivalent blended cement) as a starting choice?

Type III only, because high-early heat always improves sulfate resistance Type II (moderate sulfate resistance) or a blended cement with suitable C3A control Type I with no regard to C3A or w/cm Gypsum plaster used as the only cementitious material

Correct Answer:

Type II (moderate sulfate resistance) or a blended cement with suitable C3A control

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