Multi-unit post-fire concrete column damage repairing and reinforcing structure

By installing an outer steel plate and a vibrator on the outside of the concrete column after the fire, the problem of the concrete not flowing easily was solved, achieving high-quality repair and fire protection.

CN224351674UActive Publication Date: 2026-06-12SUZHOU DAKANG CONSTR TECH CO LTD
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Patent Information

Application Number
CN202521527834.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-21
Publication Date
2026-06-12
Estimated Expiration
2035-07-21

AI Technical Summary

Technical Problem

In existing fire-damaged concrete column repair and reinforcement structures, the poured concrete is not easy to flow, easily forming cavities, and subsequent protection is difficult.

Method used

The multi-unit repair component includes an outer steel plate, a vibrator, and a fastening mechanism. Vibration is transmitted through the vibrating rod to accelerate the flow of concrete, and after solidification, holes are formed to fix the steel plate, thus providing fire protection.

Benefits of technology

This method achieves compacted repair of concrete, improves repair quality, and forms effective fire protection on the outside of the concrete column.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model belongs to the technical field of building repairing structures, and particularly relates to a multi-unit post-fire concrete column damage repairing and reinforcing structure which is arranged on the outer side of a concrete column and comprises a fixing assembly and a repairing assembly arranged on the fixing assembly. The fixing assembly comprises a fixing plate fixed to the bottom of the concrete column in a surrounding mode and a limiting plate arranged on the outer side of the fixing plate. The repairing assembly comprises an outer protection steel plate inserted into the limiting plate, a positioning bolt installed at the top of the outer protection steel plate and an installation hole formed in the outer protection steel plate. By means of the repairing assembly, the outer protection steel plate can be fixedly arranged on the outer side of the concrete column in a surrounding mode and then filled with concrete, the fixing bolt and the vibration head are taken out after the concrete is solidified, and therefore a hole allowing the outer protection steel plate to be fixed to the outer side of the concrete is formed, the bolt body is convenient to use, repairing is achieved, and the service life of the bolt body is prolonged. And in addition, the subsequent fireproof effect is achieved through the outer protection steel plate, and practicability is high.
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