A water conservancy construction expansion joint anti-seepage structure

The combination structure of base plate, waterproof cover plate and waterproof strip solves the problem of the adaptability of the expansion joint waterproofing structure of hydraulic structure, realizes the flexible adjustment and stable connection of the waterproof cover plate, and improves the waterproofing effect and installation efficiency.

CN224314384UActive Publication Date: 2026-06-02SHANDONG SURVEY & DESIGN INST OF WATER CONSERVANCY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG SURVEY & DESIGN INST OF WATER CONSERVANCY
Filing Date
2025-03-31
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The existing expansion joint waterproofing structure of hydraulic structures is a fixed structure and cannot adaptively adjust with the expansion and contraction of the expansion joint, resulting in a decrease or loss of its protective function.

Method used

The system employs a combination structure of a base plate, a waterproof cover plate, and a waterproof strip, combined with slots, inserts, grooves, and slides to achieve flexible adjustment and secure connection of the waterproof cover plate, ensuring sealing and waterproof performance.

Benefits of technology

It enables flexible adjustment of the waterproof cover plate according to the expansion joint, improving installation efficiency and waterproof effect, and ensuring the long-term sealing and stability of the expansion joint.

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Abstract

The utility model provides a kind of water construction structure expansion joint anti-infiltration structure, belong to expansion joint anti-infiltration technical field;By being respectively bolted with a bottom plate in the groove above respectively set in the side of two buildings close to expansion joint, waterproof cover plate including slot and plugboard is equipped in expansion joint and located the top of bottom plate, the bottom plate is located the top of building one end and is equipped with a downwardly extending lug, a connecting frame is equipped below the other end of bottom plate, a waterproof belt is installed between the connecting frame below two side bottom plates;Through the cooperation of bottom plate, waterproof belt, waterproof cover plate, the stable connection and effective waterproofing of expansion joint are realized, and at the same time, waterproof cover plate uses the cooperation of slot and plugboard, to ensure that waterproof cover plate is flexibly adjusted with expansion joint change, to achieve best waterproof effect.
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