Laminated slab pouring joint formwork structure

By using templates and support rods at the joints of composite slabs, the problem of holes after bolt removal was solved, improving pouring efficiency, reducing costs, and simplifying the operation process.

CN224478704UActive Publication Date: 2026-07-10CHONGQING HEBO CONSTR ENG CO LTD
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Patent Information

Application Number
CN202521449216.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-11
Publication Date
2026-07-10
Estimated Expiration
2035-07-11

AI Technical Summary

Technical Problem

In the existing technology, holes are left after the bolts at the joints of the composite slabs are removed, which leads to secondary concrete pouring, increases labor and material costs, and is cumbersome and inefficient.

Method used

The system employs a template and support rod structure. The template is placed at the bottom of the pouring joint, and multiple sets of support rods are spaced apart along the length of the top. Both ends of the support rods are connected to the steel truss. The template is securely connected through clips, fixing rods, and limiting mechanisms to prevent the screws from penetrating the concrete.

Benefits of technology

This eliminates the need to disassemble the support rods and screws, improving casting efficiency, preventing hole formation, simplifying the operation process, and reducing costs.

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Abstract

The utility model relates to the technical field of laminated slab joint pouring, in particular to a laminated slab pouring joint formwork structure which comprises a formwork, the top of the formwork abuts against the bottom of a laminated slab body, a plurality of sets of supporting rods are arranged on the top of a pouring joint at intervals in the length direction, sleeve clamps are arranged on the supporting rods in a sliding and sleeved mode, and fixing rods are fixedly arranged at the bottoms of the sleeve clamps. A connecting rod is slidably arranged on one side of the fixing rod, a fixing seat is fixedly arranged at the bottom of the connecting rod, a threaded hole is formed in the bottom of the fixing seat, the bottom of the fixing seat abuts against the top of the formwork, a penetrating hole aligned with the threaded hole is formed in the formwork, and an inserting rod is arranged at the bottom of the formwork. After the bottoms of the fixing seats are adjusted to be flush with the bottom of the laminated slab main body, pouring operation is carried out, the supporting rods, the fixing rods and the connecting rods do not need to be disassembled, the threaded holes in the bottoms of the fixing seats can be covered when surface coating brushing is carried out on the whole floor slab subsequently, and secondary concrete repouring does not need to be carried out; and the pouring efficiency is improved.
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