大中跨度桥梁双向地震保护装置设计与试验研究

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摘要对提出的双向地震保护装置的目标要求和与之对应的构造形式作出了阐释和剖析，在此基础上就各组件的设定逻辑关系和阈值确定原则进行了分析与探讨。通过组件分项试验和总装集成试验，联合检验了装置在慢速和快速等多工程场景下的力学行为；通过数值仿真技术手段，模拟了装置在真实地震过程中的力学行为。试验结果和数值模拟结果均表明,装置在满足日常使用和地震作用过程中的多种目标功能需求的前提下，具备可同时实现双向震动控制的技术优势。该装置对大中跨度桥梁减隔震设计的技术途径实现不失为一种有益的补充和扩展，对抗震应用具有实际意义。
关键词：双向；速度型；位移型；地震保护；分项试验；集成试验

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	高昊1
	杨俊2
	王君杰3
	颜海泉4

关键词 ：双向, 速度型, 位移型, 地震保护, 分项试验, 集成试验

Abstract：The target requirements and corresponding construction pattern of the new bi-directional seismic protection device are explained and interpreted, on this basis, the logic relation and threshold determination principle of each component are analyzed and discussed. The mechanical behavior of the device in multi-engineering scenarios such as slow speed and fast speed was tested jointly by the component test and assembly test. The mechanical behavior of the device in the process of real earthquake was simulated and verified by means of numerical simulation. The experimental results and numerical simulation results both show that the device can meet the requirements of multi-objective function in daily and seismic action with the advantage of bidirectional seismic vibration control. The device provides beneficial supplement and extension for the technical realization of seismic isolation design for large and medium span bridges, which has practical significance for seismic application.
Key words: bi-directional; speed type; displacement type; seismic protection; item test; assembly test

Key words： bi-directional speed type displacement type seismic protection item test assembly test

收稿日期: 2022-02-09 出版日期: 2022-10-28

引用本文:

高昊1，杨俊2，王君杰3，颜海泉4. 大中跨度桥梁双向地震保护装置设计与试验研究[J]. 振动与冲击, 2022, 41(20): 112-118.
GAO Hao1，YANG Jun2，WANG Junjie3，YAN Haiquan4. Experimental study on bi-directional seismic protection device for large and medium span bridges. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(20): 112-118.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2022/V41/I20/112

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