A bridge multi-stage anti-seismic anti-overturning linkage device

Abstract

The invention discloses a multi-stage anti-seismic and anti-overturning linkage device for a bridge, which comprises a bridge deck and a single bridge pier. There are several single bridge piers arranged equidistantly at the bottom of the bridge deck. Both sides of the single bridge pier are respectively fixedly connected with rigid extensions plate, a vibration-damping support device and an electromagnetic support device-1 are arranged between the top side of the rigid extension plate and the bottom side of the bridge deck, and the vibration-damping support device is located on the side of the electromagnetic support device-1 away from the single pier, and the single bridge pier A cable-stayed support device is provided between the pier and the bottom edge of the bridge deck, and the top of the cable-stayed support device is located vertically above the middle of two adjacent single bridge piers, and the bottom side of the bridge deck Mercury switch one and mercury switch two are installed. The device of the present invention realizes multi-level protection during the bridge overturning process, and improves the accuracy and accuracy of the bridge's earthquake resistance and overturning resistance when the bridge faces repeated loads, overload loads, and accidental natural conditions. Efficiency.

Description

technical field [0001] The invention relates to the technical field of anti-seismic reinforcement of bridges, in particular to a multi-stage anti-seismic and anti-overturning linkage device for bridges. Background technique [0002] The single column pier bridge is widely used in urban bridges and various complex terrains due to its advantages of small clearance under the bridge, simplicity and smoothness, beautiful appearance, strong adaptability, and good economy. However, in recent years, with the rapid development of my country's economy, the traffic flow and vehicle load have continued to increase, and vehicles have been overloaded and deflected, resulting in many overturning accidents in the use of single-pillar pier bridges, resulting in casualties and economic losses. And under some extreme natural conditions such as earthquake loads, ordinary reinforcement measures for bridges are difficult to play a role. [0003] The study found that the current highway bridge cod...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that when using the existing traditional reinforcement method, the traditional reinforcement device can only carry out ordinary reinforcement on the bending resistance and shear bearing capacity of the bridge, and the reinforcement method is basically at the bridge pier, and proposes a bridge Multi-stage shockproof and anti-overturning linkage device

Images