Installation structure of embedded waterstop in plain concrete section

By using a positioning mechanism in the template system to fix the first side of the waterstop inside the end plate, the problem of waterstop displacement and damage during concrete pouring is solved, the structural integrity and positional accuracy of the waterstop are achieved, and the waterproofing effect is improved.

CN224592149UActive Publication Date: 2026-08-04CHINA RAILWAY 19TH BUREAU GRP EAST CHINA ENG CO LTD
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Patent Information

Application Number
CN202521609205.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-08-04
Estimated Expiration
2035-07-30

AI Technical Summary

Technical Problem

Traditional methods of fixing waterstops are prone to displacement or damage during concrete pouring, affecting the waterstopping effect and making it difficult to guarantee structural integrity and positional accuracy.

Method used

Using a template system and positioning mechanism, the first side of the waterstop is inserted into the secondary lining pouring area through the through hole on the end plate, and the waterstop is fixed in the secondary lining pouring area using clamps and connectors to prevent displacement and damage.

Benefits of technology

It effectively solves the problems of waterstop displacement and damage during concrete pouring, ensuring the structural integrity and positional accuracy of the waterstop, and improving the water-stopping effect.

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Abstract

The utility model relates to tunnel construction technical field provides a kind of embedded waterstop installation structure in plain concrete section, comprising: formwork system, with the initial support to form two lining to be poured area;Formwork system includes the head board of being located at two lining to be poured area side, head board is equipped with along the length direction of two lining to be poured area through-hole;Waterstop, along the length direction of two lining to be poured area is laid;Waterstop includes the first side and second side along width direction, first side is inserted into two lining to be poured area by through-hole;Positioning mechanism is set in two lining to be poured area, suitable for first side clamping and fixed on head board.Such setting, can effectively solve the problem that waterstop is easily impacted by concrete and produces deviation, and waterstop local deformation, tear, fracture, be lead wire or steel wire puncture and other problems, to ensure that the structural integrity and the accuracy of position of waterstop in fixed and concrete pouring process, to improve waterstop effect.
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