![]() The traditional material replacement method requires removing part of the concrete with good mechanical properties, which results in resource waste and increased costs. Many scholars have investigated repair methods for cracked concrete structures, including material replacement, grouting, electrodeposition, and microbial repair. ![]() It is estimated that concrete infrastructure maintenance and repair costs related to reinforcement corrosion exceed $100 billion annually worldwide. After rust expansion and cracking, the tensile and compressive strength, and other properties of reinforced concrete decline, making it difficult to reach the designed service life and causing great economic losses. Steel corrosion is an important factor affecting the durability of reinforced concrete structures worldwide.
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