Corrosion of reinforced concrete structures is nowadays one of the major concerns involving the durability and serviceability of buildings and constructions. Corrosion management and monitoring of infrastructure and civil engineering structures is required to guarantee their lifetime in service.

Sustainability of reinforced concrete structure is crucial for better social development, due to the importance of structural safety, preservation of the environment, and economic factors.

In developed countries, corrosion economic losses due to maintenance, repair, and replacement of existing structures and infrastructure account for up to 4% GDP (gross domestic product). It is worth noting that the production of new materials is not only costly but also requires a large amount of energy consumption, which dramatically influences the greenhouse effect due to CO₂ emissions.

In recent years, the development of new techniques, materials, and corrosion protection strategies have contributed to better understanding the phenomenon of corrosion of steel in concrete. For example, embedded sensors in concrete provide an enormous advantage for corrosion monitoring and risk evaluation of reinforced concrete structures. Additionally, new localized electrochemical techniques and mechanical features contribute to elucidating corrosion mechanisms as well as environmentally driven cracking.

New trends in the corrosion control of reinforced concrete structures focus on the use of stainless steel reinforcement, corrosion inhibitors, smart coatings, cathodic protection, and new geopolymer cementitious materials.

This Research Topic welcomes contributions that cover all aspects of the corrosion of steel in concrete, from experimental studies to modeling and simulation. Potential themes may include, but are not limited to:

• pitting corrosion
• uniform corrosion
• new cementitious materials
• geopolymer concrete
• fly ash concrete corrosion
• stress corrosion cracking
• fatigue corrosion
• weld joint corrosion
• electrochemical chloride removal
• electrochemical realkalinization
• corrosion sensors
• localized electrochemical techniques
• surface characterization techniques
• new reinforcing materials/coating

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Frontiers in Materials

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