Purpose: to analyze and develop methods for restoring concrete elements of hydraulic structures using modern polymeric materials.
Materials and methods. An analysis of an algorithm for assessing the hydraulic structure condition through non-destructive testing, recording defects (cracks, exposed reinforcement), and measuring the concrete strength was performed. It was found that the greatest damage in hydraulic structures occurs in the zone of alternate water surface, with concrete work accounting for the great deal of repair volume, indicating the need to improve the production technology. An analysis of modern repair methods for concrete hydraulic structures made it possible to systematize technical solutions aimed at restoring structural integrity and increasing their durability.
Results. Concrete hydraulic structures are most often susceptible to destruction in the area of technological joints, which leads to water absorption, reinforcement corrosion, and further destruction. The restoration process begins with diagnostics and mechanical treatment of damaged areas, anti-corrosion protection of reinforcement, etc. Specialized repair compounds are applied manually or mechanically, using formwork for large defects, as well as sprayed bitumen-polymer emulsions with geotextiles, which ensure tightness and durability. The choice of technical solution depends on the type of damage, operating conditions, and the required load-bearing capacity.
Conclusions. The use of innovative materials and technologies can increase the service life of hydraulic structures by 20–50 % and reduce operating costs. The promising areas include the development of environmentally friendly and cost-effective technologies, as well as the implementation of automated monitoring systems, a combination of advanced materials, technologies, and digital solutions, which ensure not only restoration but also a significant increase in the reliability of hydraulic structures.
concrete restoration, polymer material, crack sealing, irrigation canal, waterproofing
Garbuz A. Yu., Baev O. A. Technologies for the long-term operated concrete hydraulic structures restoring. Ways of Increasing the Efficiency of Irrigated Agriculture. 2025;97(3):164–186. (In Russ.).
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