The Anti-Corrosion Techniques and Material Optimization to Enhancing Durability of Concrete in Marine Environments

Xiran Wen

doi:10.54097/57mk2a13

Authors

Xiran Wen

DOI:

https://doi.org/10.54097/57mk2a13

Keywords:

Marine environment, Durability, Concrete, Anti-Corrosion.

Abstract

Concrete is widely used in the construction of marine engineering and has advantages that are difficult to replace. However, the harsh environment of the ocean poses a huge challenge to the durability of concrete. Methods to improve the durability of concrete need to be studied to increase the service life and safety of constructions and reduce maintenance costs. This paper aims to explore the mechanism of chloride ion corrosion and sulfate corrosion, which are common in marine environments. Four existing technologies for improving the durability of concrete are analyzed in detail, including the application of admixtures, surface curing technology, self-healing concrete curing and internal curing, and electrochemical methods. Finally, some future research directions are proposed. Through discussion, it was found that the addition of admixtures reduces erosion by reducing porosity, and its effect is closely related to the dosage. There are cutting-edge ideas for surface and internal maintenance methods by inducing microorganisms and bacteria. In addition, the electrochemical method can simultaneously achieve concrete repair and chloride ion removal, which has the advantages of high efficiency and low cost. This paper can provide a scientific basis and guidance for the design, construction and maintenance of concrete in marine environments, and make suggestions for future research directions.

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References

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