Waterproof structure of deformation joint between tunnel main body bottom plate and side wall

CN224339006UActive Publication Date: 2026-06-09NANJING HUIYU CONSTRUCTION ENGINEERING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING HUIYU CONSTRUCTION ENGINEERING TECHNOLOGY CO LTD
Filing Date
2025-05-22
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing waterproofing technologies for tunnel expansion joints are prone to problems such as peeling of the waterstop interface and embrittlement of the rubber, leading to frequent water leakage. Traditional treatment methods are costly and pose a risk of pollution.

Method used

The structure employs a waterproof design for the expansion joints of the base slab and side walls, combined with water-blocking and drainage design. It includes components such as base slab grooves, perforated corrugated pipes, cover plates, concrete filling layers, side wall grooves, and water collection boxes, forming multiple waterproof barriers and equipped with an intelligent monitoring system.

Benefits of technology

It effectively prevents water seepage and overflow, extends the lifespan of waterproof structures, reduces safety risks, ensures long-term stable operation of tunnels, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tunnel main part bottom plate and side wall deformation joint waterproof structure, including bottom plate deformation joint waterproof structure, side wall deformation joint waterproof structure and bottom plate and side wall joint waterproof structure, bottom plate deformation joint waterproof structure includes bottom plate recess, punch corrugated pipe, apron and concrete filling layer, side wall deformation joint waterproof structure includes side wall recess and water receiving box, and side wall deformation joint and water receiving box enclose the water guide channel to the downward, bottom plate and side wall joint waterproof structure includes roadside apron ditch, and the end of punch corrugated pipe near side wall and the bottom end of water receiving box all are communicated with roadside apron ditch. The utility model discloses a tunnel main part bottom plate and side wall deformation joint waterproof structure, through bottom plate and side wall adopt " with the main, with the supplementary of the row " waterproof structure, effectively guarantee the service life of deformation joint waterproof structure, prevent the water seepage of later stage and overflow to bituminous pavement or the interference pavement.
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