A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Inerter-damping vibration attenuation system for vertical vibration control of bridge
The invention relates to the technical field of bridge engineering, in particular to an inerter-damping vibration attenuation system for vertical vibration control of a bridge. When the bridge girder vibrates, the upper mass body and the bridge girder generate relative displacement, the driving medium fluid penetrates through the damping hole and flows in the hose, and the damping effect and the fluid inerter effect are provided respectively; the spring provides restoring force and supports the upper mass body; medium liquid in the inerter-damping assembly can be discharged in a non-working state, so that the inerter-damping assembly is convenient to store; when a bridge main beam vibrates and emergency vibration control is needed, medium fluid can be poured into the inerter-damping assembly, meanwhile, tuning vibration reduction of different bridge modalities can be achieved by replacing spiral pipelines, medium fluid, mass bodies and other components with different lengths and widths and connecting in series, the vortex vibration control requirement of a bridge at different wind speeds is met, and the requirement for emergency vibration control of the bridge at different wind speeds is met. Therefore, the vibration amplitude of the bridge structure under the action of wind and the like is reduced, and the vibration safety and applicability of the bridge are guaranteed.
本发明涉及桥梁工程技术领域，尤其是涉及一种针对桥梁竖向振动控制的惯容‑阻尼减振系统。当桥梁主梁发生振动时，上部质量体与桥梁主梁发生相对位移，驱动介质流体穿过阻尼孔并在软管内流动，分别提供阻尼和流体惯容效果；弹簧提供回复力，并支撑上部质量体；非工作状态下惯容‑阻尼组件中介质液体可以排出，便于收纳存储；当桥梁主梁发生振动，需要应急振动控制时，可以向惯容‑阻尼组件内部灌注介质流体、同时可通过更换长度、宽度和串联不同的螺旋管道、介质流体、质量体等构件，实现对不同桥梁模态的调谐减振，满足桥梁在不同风速下的涡振控制需求，从而达到降低风等作用下桥梁结构振动幅值，保证桥梁的振动安全性和适用性。
Inerter-damping vibration attenuation system for vertical vibration control of bridge
The invention relates to the technical field of bridge engineering, in particular to an inerter-damping vibration attenuation system for vertical vibration control of a bridge. When the bridge girder vibrates, the upper mass body and the bridge girder generate relative displacement, the driving medium fluid penetrates through the damping hole and flows in the hose, and the damping effect and the fluid inerter effect are provided respectively; the spring provides restoring force and supports the upper mass body; medium liquid in the inerter-damping assembly can be discharged in a non-working state, so that the inerter-damping assembly is convenient to store; when a bridge main beam vibrates and emergency vibration control is needed, medium fluid can be poured into the inerter-damping assembly, meanwhile, tuning vibration reduction of different bridge modalities can be achieved by replacing spiral pipelines, medium fluid, mass bodies and other components with different lengths and widths and connecting in series, the vortex vibration control requirement of a bridge at different wind speeds is met, and the requirement for emergency vibration control of the bridge at different wind speeds is met. Therefore, the vibration amplitude of the bridge structure under the action of wind and the like is reduced, and the vibration safety and applicability of the bridge are guaranteed.
本发明涉及桥梁工程技术领域，尤其是涉及一种针对桥梁竖向振动控制的惯容‑阻尼减振系统。当桥梁主梁发生振动时，上部质量体与桥梁主梁发生相对位移，驱动介质流体穿过阻尼孔并在软管内流动，分别提供阻尼和流体惯容效果；弹簧提供回复力，并支撑上部质量体；非工作状态下惯容‑阻尼组件中介质液体可以排出，便于收纳存储；当桥梁主梁发生振动，需要应急振动控制时，可以向惯容‑阻尼组件内部灌注介质流体、同时可通过更换长度、宽度和串联不同的螺旋管道、介质流体、质量体等构件，实现对不同桥梁模态的调谐减振，满足桥梁在不同风速下的涡振控制需求，从而达到降低风等作用下桥梁结构振动幅值，保证桥梁的振动安全性和适用性。
Inerter-damping vibration attenuation system for vertical vibration control of bridge
一种针对桥梁竖向振动控制的惯容-阻尼减振系统
CHEN LIN (author) / LIU ZHANXING (author) / SUN LIMIN (author)
2023-08-08
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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