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Types of bridge bearing shock absorption

2024-10-16

Lead rubber bearing: It is composed of rubber and lead core, which has good shock absorption performance and reset ability. It can absorb and store part of the energy when the earthquake occurs, and consume the seismic energy through the yield deformation of the lead core. This kind of support is suitable for medium and small span bridges.
Types of bridge bearing shock absorption

There are various types of bridge bearing shock absorption, mainly including the following:

Lead rubber bearing: It is composed of rubber and lead core, which has good shock absorption performance and reset ability. It can absorb and store part of the energy when the earthquake occurs, and consume the seismic energy through the yield deformation of the lead core. This kind of support is suitable for medium and small span bridges.
High damping rubber bearing: It is made of high damping rubber material, which has high energy consumption capacity and shock absorption effect. It can produce a large damping force under the action of earthquake, thereby reducing the vibration response of the bridge structure. This kind of support is suitable for bridges of various spans.
Friction pendulum bearing: through friction energy dissipation and swing reset to achieve shock absorption. It can consume seismic energy through friction and swing when an earthquake occurs, and maintain the stability of the bridge structure. This kind of bearing is suitable for long span bridge.
Liquid viscous damper: through the viscous damping of liquid to dissipate seismic energy. It is usually used in conjunction with other shock-absorbing bearings to improve the shock-absorbing performance of the bridge.


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