During construction of a home near an active volcanic area in Hawaii, the contractor encounters sulfur-bearing soil. What special consideration is required for concrete foundations?
Correct Answer
D) Use sulfate-resistant cement and increase cover
Sulfur-bearing volcanic soils can cause sulfate attack on concrete. Sulfate-resistant cement and increased concrete cover are required to prevent deterioration.
Why This Is the Correct Answer
Sulfur-bearing volcanic soils can cause sulfate attack on concrete. Sulfate-resistant cement and increased concrete cover are required to prevent deterioration.
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During construction of a beachfront home, the contractor must account for salt spray exposure. At what distance from the shoreline does Hawaii Building Code require enhanced corrosion protection measures?
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