Research Progress on Sulfuric Acid Corrosion of Concrete in Sewage Pipes

Abstract

Abstract: With the attention paid to the sewage system planning by the country, concrete has been widely used in sewage pipes. During the service period of sewage pipelines, concrete will be subjected to the synergistic effects of physics, chemistry and biology, leading to its deterioration. Among many corrosive media, sulfuric acid has the most prominent impact on the performance of concrete. In order to further deepen the understanding of this research field, this paper mainly introduces the research progress from the sources of sulfuric acid in sewage pipes, the mechanism of sulfuric acid corrosion of concrete, the factors affecting sulfuric acid corrosion, and the countermeasures against sulfuric acid corrosion, and looks for effective anti-corrosion measures for sewage pipe concrete.

Key words: sewage conduit, sulfuric acid, corrosion mechanism, anti corrosion measure, durability

CLC Number:

TU528

ZHOU Jian, LIN Zhichao, XU Mingfeng, LI Hui, NIE Song. Research Progress on Sulfuric Acid Corrosion of Concrete in Sewage Pipes[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(5): 1529-1541.

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