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What is Acid Attack on Concrete Sewage System about?

This document summarizes a study of acid attack on concrete in a sewage system in Portugal. Concrete samples were taken from areas showing deterioration and analyzed using petrography, SEM/EDS, and other laboratory tests. The study found that the primary cause of damage was sulfuric acid attack from hydrogen sulfide in the sewer atmosphere. Petrography revealed that the deteriorated concrete surface contained gypsum, indicating acid reaction. Behind the deteriorated layer, the concrete was sound with no int

Author

Xtem Alb

Language

EN