Guest Editor(s)
Assist. Prof. Ahmet İhsan Turan
Email: ahmet.turan@erzincan.edu.tr
Affiliation: Department of Civil Engineering, Faculty of Engineering and Architecture, Erzincan Binali Yildirim University, Erzincan, Türkiye
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Research Interests: structural behavior and performance of reinforced concrete structures, corrosion of reinforcing steel and structural behavior of corroded reinforced concrete structures, deterioration mechanisms and service life assessment of concrete structures, experimental and numerical analysis of reinforced concrete and composite structures, seismic performance, cyclic behavior and damage assessment of reinforced concrete

Assoc. Prof. Atila Kumbasaroğlu
Email: akumbasaroglu@erzincan.edu.tr
Affiliation: Department of Civil Engineering, Faculty of Engineering and Architecture, Erzincan Binali Yildirim University, Erzincan, Türkiye
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Research Interests: structural performance of reinforced concrete structures, corrosion and durability of reinforced concrete structures, load-bearing and functional coatings, advanced cementitious and composite materials, experimental and analytical studies on structural behavior, sustainable and low-carbon construction materials

Assist. Prof. Alper Çelik
Email: alper.celik@ankara.edu.tr
Affiliation: Department of Civil Engineering, Faculty of Engineering, Ankara University, Ankara, Türkiye
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Research Interests: structural mechanics, structural performance and assessment, earthquake engineering, reinforced concrete and masonry structures, corrosion and durability of reinforced concrete structures, repair and strengthening of structures, seismic performance of existing structures, experimental and numerical analysis of structural systems, finite element modeling, structural damage and failure mechanisms

Assist. Prof. Mesut Küçük
Email: mkucuk@erzincan.edu.tr
Affiliation: Department of Civil Engineering, Faculty of Engineering and Architecture, Erzincan Binali Yildirim University, Erzincan, Türkiye
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Research Interests: impact engineering, fracture mechanics, structural behavior of masonry and laminated glass structures, experimental and numerical analysis, computational mechanics and optimization, structural dynamics, sustainable structural systems

Summary
Corrosion of reinforcing steel remains one of the most critical deterioration mechanisms affecting reinforced concrete (RC) structures throughout their service life. Environmental actions such as chloride ingress, carbonation, moisture, and other aggressive exposure conditions initiate corrosion processes that progressively reduce the structural capacity, durability, and reliability of RC structures. Corrosion-induced cross-sectional loss of reinforcement, degradation of mechanical properties, bond deterioration, and the accumulation of expansive corrosion products lead to cracking, spalling, and accelerated damage propagation in concrete members. These deterioration mechanisms significantly impair the load-carrying capacity, stiffness, ductility, seismic performance, and service life of RC structures, highlighting the urgent need for reliable assessment methodologies. This Special Issue aims to present recent advances in the structural capacity assessment of corroded reinforced concrete structures through experimental investigations, analytical approaches, numerical simulations, and field applications. Contributions addressing corrosion-induced deterioration, structural capacity evaluation, structural performance, durability assessment, service-life prediction, bond degradation, non-destructive testing, probabilistic assessment, numerical modelling, and performance-based evaluation are particularly encouraged. By bringing together interdisciplinary research spanning material, member, and structural levels, this Special Issue seeks to provide comprehensive insights into the structural assessment and long-term performance of corrosion-affected reinforced concrete structures, supporting the development of safer, more durable, and sustainable infrastructure.
Keywords
reinforced concrete structures, corrosion, structural capacity assessment, bond deterioration, seismic performance level, numerical modelling