列车运营激励下大悬臂转体桥梁动力响应分析  

Dynamic Response Analysis of Maximum Cantilever State of Rotating Bridge Under Train Operation Excitation

作　　者：唐建章 TANG Jian-zhang(Anhui Shangtie Local Railway Development Co.Ltd.,Hefei 230094,China)

机构地区：[1]安徽上铁地方铁路开发有限公司,合肥230094

出　　处：《工程建设与设计》2024年第17期123-125,共3页Construction & Design for Engineering

摘　　要：受到既有铁路的影响,上跨转体桥梁通常表现出复杂的力学特性变化从而影响其性能表现,为了研究铁路列车运营激励对转体桥梁的影响规律,论文以合肥市文忠路上跨合肥东站立交桥为工程背景,以结构多向实测响应数据为基础,通过精细化有限元模拟,探究最大悬臂站立状态下转体桥梁在多股道列车运营影响下的动力特征。Under the influence of the existing railway,the upper span rotating bridge usually exhibits complex mechanical characteristic changes,which affects its performance.In order to study the influence law of railway train operation incentive on rotary bridge,this paper takes the overpass of Wenzhong Road over crossing Hefei East Railway Station as the engineering background,based on the measured response data of the structure in multiple directions,and explores the dynamic characteristics of rotary bridge under the influence of multi-lane train operation under the condition of maximum cantilever standing by using refined finite element simulation.

关 键 词：转体桥梁 列车运营激励 动力响应 有限元模拟 动力特性规律 

分 类 号：U442.59[建筑科学—桥梁与隧道工程]