Process Analysis of Concrete Freeze-Thaw Damage Reinforcement Construction of Existing Diversion Canals at the Water Front Surface

DOI: https://doi.org/10.62517/jcte.202506102

Author(s)

Minjun Zeng1,*, Zijun Ma1, Xiaopeng Li1, Zhaopeng Wu1, Liang Ke1, Zhaoqi Wang1, Pei Yang2

Affiliation(s)

1Lanzhou Railway Institute of Technology, Lanzhou, Gansu, China 2Gansu Power Investment Jiudianxia Hydropower Development Limited Liability Company, Dingxi, Gansu, China *Corresponding Author.

Abstract

Currently, the reinforcing construction process of freeze-thaw damage of concrete on the surface of existing diversion canals is one of the key problems to be solved in the reinforcing and repairing of existing diversion canals. Taking the reinforcement construction of freeze-thaw damage of concrete in the diversion channel of a power station in Jili as the background, a set of efficient and practical reinforcement construction process is proposed, aiming at restoring the strength and durability of freeze-thaw damage of concrete structure on the surface of the existing diversion channel, preventing and controlling the intensification of freeze-thaw damage of concrete on the surface of the existing diversion channel embankment, and ensuring the safe and stable operation of the diversion channel in the long term. The reinforcement construction process is simple and suitable for thin-layer repair, which shortens the original concrete surface chiseling time and improves the repair efficiency. This process was used to reinforce the freeze-thaw damage to the surface concrete of the diversion channel, 13 days ahead of schedule. This new reinforcement construction process can not only solve the diversion channel waterfront concrete freeze-thaw damage reinforcement construction, but also economic, but also for the maintenance of similar projects to provide reference.

Keywords

Existing Diversion Channel; Existing Concrete; Freeze-Thaw Damage; Construction Process

References

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