A combined fire and crash resistant shield for bridge cables

By combining a fire-resistant and impact-resistant protective cover with a high-temperature detector and composite aerogel material, the safety issues of bridge cables in vehicle collisions and fires have been solved, achieving effective protection and reliable assessment of the cables.

CN122190124APending Publication Date: 2026-06-12JIANGSU CUMT DAZHENG SURFACE ENG TECH +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU CUMT DAZHENG SURFACE ENG TECH
Filing Date
2026-04-03
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing bridge cables lack effective protection measures in the event of vehicle collisions and fires. Traditional protection methods are insufficient to meet engineering safety requirements, and there is a lack of reliable means to assess post-fire damage.

Method used

It adopts a combined fire-resistant and impact-resistant protective cover, including an outer shell assembly, a fireproof layer and a temperature testing device. It uses high-temperature detectors and intelligent temperature memory detectors for passive monitoring. Combined with composite aerogel materials and differentiated steel shell design, it provides impact resistance and thermal insulation protection, and realizes a visualized and traceable evaluation system.

Benefits of technology

It achieves effective protection of bridge cables, avoids direct stress damage, provides visual assessment and low-cost maintenance, ensures the safety and reliability of the main cable, reduces fire damage to the main cable, and improves the accuracy and efficiency of assessment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a combined fireproof anti-collision protective cover for bridge cable, and belongs to the technical field of bridge engineering safety protection, which comprises a shell assembly, a fireproof layer and a temperature inspection device, wherein the fireproof layer is arranged on the inner side wall of the shell assembly, the temperature inspection device is arranged on the fireproof layer, and the shell assembly is sleeved on the cable; and the temperature inspection device is arranged on the fireproof layer. The combined mode of the combined steel shell, the fireproof layer and the detection experiment device realizes the strength and heat insulation composite functions, has the bending stiffness for the vehicle collision, avoids the direct stress of the main cable, and forms the visual and traceable evaluation system after the fire event.
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