所述的颗粒碰撞阻尼器经弹性支承与被控制主系统连接；
The inner part of the particles-impact damper is provided with an elastic energy-storage component and a plastic impact energy-dissipation component.
在桥梁工程中，当需要限制梁端的碰撞或过大的相对位移，经常会在梁端设置液体粘滞阻尼器。
The fluid viscous dampers are frequently equipped at the beam end for restricting pounding between adjacent component or larger beam end displacement of bridge.
在相同阻尼系数的情况下，粘滞阻尼器的速度指数越小，其防碰撞效果越好。
Assuming the same damping coefficient, the viscous damper possessing smaller velocity index will get much better controlling performance.
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