铁路桥梁与路基过渡段动力学特性研究  

Research on the Dynamic Behavior of the Transition Section between Railway Bridges and Roadbeds

作　　者：王小洲 王晓涛 Wang Xiaozhou;Wang Xiaotao(China Fist Highway Engineering Group First Engineering Co.,Ltd.,Beijing 102200)

机构地区：[1]中交一公局第一工程有限公司,北京102200

出　　处：《现代工程科技》2024年第15期53-56,共4页Modern Engineering Technology

摘　　要：对高铁桥梁与路基过渡段的动力特性和优化设计方法进行了较为系统的研究,分析结构特征及材料选取等因素对转捩过程的影响规律,构建转捩过程的动态数学模型,并结合数值模拟和试验,对转捩过程中的动态响应进行评价。以平顺性、稳定性、耐久性、维修方便为目标,通过结构优化与材料选择,提高车辆在过渡段的动态特性。项目试验及结果分析表明该方法可行、有效。A systematic study was conducted on the dynamic characteristics and optimization design methods of the transition section between high-speed railway bridges and roadbeds.The influence of structural characteristics and material selection on the transition process was analyzed,and a dynamic mathematical model of the transition process was constructed.Combined with numerical simulation and experiments,the dynamic response during the transition process was evaluated.With the goals of smoothness,stability,durability,and easy maintenance,the dynamic characteristics of the vehicle in the transition section are improved through structural optimization and material selection.Through project testing and result analysis,it has been proven that this method is feasible and effective.

关 键 词：桥梁与路基过渡段 动力学行为 动响应分析 工程应用 实施效果分析 

分 类 号：U213[交通运输工程—道路与铁道工程]