The production and processing of the bridge bearing supplier analyzes the repair and maintenance measures of the bridge expansion joint for you

Maintenance measures for bridge expansion joints. The production and processing of bridge bearing suppliers will help you understand:

① If the section steel middle beam is broken, the expansion joint needs to be replaced again.

② If the welding joint of the connecting reinforcement in the anchor area is broken and the concrete is broken, the damaged concrete shall be chiseled off, and the welded part shall be re-welded, and the concrete in the anchor area shall be poured.

③ If the rubber strip is damaged and falls off, replace the rubber strip in time.

④ If sand, gravel and other sundries are filled in the joint, they shall be removed in time.

⑤ The expansion joint is closed and jammed, and daily observation needs to be strengthened.

Maintenance measures for bridge expansion joints:

With the continuous development of traffic, the pressure of bridge maintenance and repair is increasing. Daily maintenance and preventive maintenance can greatly reduce the speed of expansion joint damage. The following points should be strengthened in daily maintenance:

① The bridge deck shall be kept clean and the drain hole shall be unblocked so as to drain the water on the bridge in time.

② The cracks and grooves of asphalt pavement on the bridge deck shall be repaired in time.

③ The vehicle jumping at the bridgehead shall be treated in time.

④ The expansion joint is blocked and not cleaned in time.

⑤ Repair the damaged bridge components in time. After the bridge is put into operation, cracks, damages, pits and other defects will appear successively in the bridge slab, expansion joints, deck pavement, etc. If they are not repaired in time in the daily maintenance, these diseases will continue to develop in depth and will cause potential safety hazards in the long run.