The Repairing Method of Bridge Modular Expansion Joint

A repair method and technology for expansion joints, applied in the field of expansion joint repairs, can solve problems such as poor economy, difficult maintenance, and increased maintenance costs, and achieve the effects of alleviating traffic pressure on bridge decks, reducing dust emissions, and improving repair efficiency
CN111119074BActive Publication Date: 2021-05-25湖北鄂东长江公路大桥有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
湖北鄂东长江公路大桥有限公司
Publication Date
2021-05-25

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Abstract

The invention relates to a repairing method for modular expansion joints of bridges. Before construction, the expansion joints are pre-constructed to carry out structural survey to determine the damage of the expansion joints to select a corresponding repairing method, including the following situations: 1. Damage to the middle beam , the expansion box is not damaged; 2, the middle beam is not damaged, the expansion box is damaged; 3, some expansion joints are damaged. In view of the above-mentioned damages, the present invention adopts the method of partial repair, which does not need to replace the entire expansion joint, but only needs to carry out partial repair or partial replacement of the damaged part. On the premise of ensuring the integrity and service life of the expansion joint, it saves costs and improves Repair efficiency, save construction time, and achieve rapid opening to traffic. Moreover, during the restoration construction, only a certain traffic lane is closed for maintenance, which relieves the traffic pressure on the bridge deck and reduces potential safety hazards.
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Description

technical field

[0001] The invention relates to the technical field of expansion joint maintenance, in particular to a repair method for bridge modular expansion joints. Background technique

[0002] Expansion joints are one of the important components of the bridge structure. It is of great significance to ensure the stability of the bridge structure and ensure the safety of driving by timely maintenance and repair work during the use period and maintaining the overall integrity of the expansion joints.

[0003] At present, there are the following disadvantages in the maintenance of expansion joints: 1. Maintenance is difficult. The construction needs to chisel out the concrete on both sides of the expansion joints on the road surface. Before maintenance, it is necessary to open grooves, remove garbage, and then replace and pour concrete. It takes a lot of time and manpower, and the garbage will cause environmental pollution. 2. The entire expansion joint needs to be repla...

Claims

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