A replaceable bridge stop

CN116575313BActive Publication Date: 2026-06-30BEIJING MUNICIPAL BRIDGE MAINTENANCE MANAGEMENT +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING MUNICIPAL BRIDGE MAINTENANCE MANAGEMENT
Filing Date
2023-05-22
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The abutments of small and medium-span bridges are easily damaged in earthquakes. Existing repair methods are complex and inconvenient to replace, making it difficult for the abutments and cap beams to form an integral structure.

Method used

The base and block body structure are detachably connected. The block body is detachably connected by prestressing tendons and fasteners. Combined with the damper, it consumes seismic energy and reduces damage. Under the action of the prestressing tendons, the block body can be automatically reset or replaced.

Benefits of technology

The process of replacing the stop blocks has been simplified, damage to the cap beam has been reduced, the convenience and efficiency of replacement have been improved, and the difficulty of repairing the cap beam has been reduced.

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  • Figure CN116575313B_ABST
    Figure CN116575313B_ABST
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Abstract

This application relates to the field of bridge stop repair, and more particularly to a replaceable bridge stop, comprising a base for connecting to a cap beam on a bridge; a stop body is disposed on the base, and a connecting assembly is disposed on the stop body, the stop body being detachably connected to the base via the connecting assembly. This application facilitates the replacement of damaged stop blocks on the bridge cap beam.
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