高烈度区高墩连续梁桥隔震技术的有效性分析  

Analysis on the Effectiveness of Seismic Isolation Technology of Continuous Bridges with High Pier in High Intensity Area

作　　者：刘青兰 唐文乐 魏旭奇 韦伟 LIU Qinglan;TANG Wenle;WEI Xuqi;WEI Wei(Guangdong Provincial Railway Planning and Design Institute Co.,Ltd.,Guangzhou 510699,Guangdong,China;Earthquake Engineering Research&Test Center,Guangzhou University,Guangzhou 510006,Guangdong,China)

机构地区：[1]广东省铁路规划设计研究院有限公司,广东广州510699 [2]广州大学工程抗震研究中心,广东广州510006

出　　处：《广东交通职业技术学院学报》2024年第5期8-12,共5页Journal of Guangdong Communication Polytechnic

摘　　要：针对高烈度地区高墩连续梁抗震设计存在的难题,以两座典型的高墩桥梁为例,采用数值模拟的方式对比分析了抗震设计与隔震设计在E2地震作用下的响应结果,阐明了隔震技术在高墩连续梁上的有效性,针对隔震高墩连续梁梁端位移较大的问题,提出了有效的解决方法。Aiming at the problems of seismic design of high pier continuous bridges in high intensity areas,this paper takes two typical high piers as an example,and uses numerical simulation to compare and analyze the response results of seismic design and seismic isolation design under E2 earthquake,which elucidates the effectiveness of the seismic isolation technology on high pier continuous bridges,and puts forward effective solutions to the problem of large displacement of the beam end of the seismic isolation high pier continuous bridges.

关 键 词：高墩连续梁 隔震体系 摩擦摆支座 防落梁 

分 类 号：U442.55[建筑科学—桥梁与隧道工程]