SC Marine Practice Questions - South Carolina Marine Contractor Examination Exam

Chlorides from seawater threaten a reinforced pile cap primarily by which mechanism?

They permanently increase the specified cover They destroy the passive film on the steel so corrosion can start, then rust expands and cracks the cover They convert Grade 60 bars into timber They make air-entrainment illegal

Correct Answer:

They destroy the passive film on the steel so corrosion can start, then rust expands and cracks the cover

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