高速铁路混凝土路基结构研究与应用现状  

Research and Application Status of Concrete Subgrade Structure in High-speed Railway

作　　者：王润民 陈涛[1,2] 李卫超[1,2] WANG Runmin;CHEN Tao;LI Weichao(College of Civil Engineering,Tongji University,Shanghai 200092,China;Key Laboratory of Evolution and Control of Engineering Structure Performance,Ministry of Education,Shanghai 200092,China)

机构地区：[1]同济大学土木工程学院,上海200092 [2]工程结构性能演化与控制教育部重点实验室,上海200092

出　　处：《路基工程》2024年第4期18-26,共9页Subgrade Engineering

摘　　要：从工程应用、理论模型、动力静力性能影响因素和优缺点等方面,综述高速铁路混凝土路基结构的发展和研究现状。详细介绍常见的路基结构型式,并对各种路基结构型式进行对比分析;回顾路基结构的静力和动力特性研究进展;在车辆与轨道的相互作用及动力学研究中,阐述从提出车辆-轨道垂向统一模型,逐步发展到空间耦合模型的研究过程和相应的动力学模型;对未来路基结构的研究提出展望。The development and research status of concrete subgrade structure of high-speed railway are reviewed from the aspects of engineering application,theoretical model,influence factors of dynamic and static properties,advantages and disadvantages of the common subgrade structure styles.Common subgrade structure forms are introduced in detail,and various subgrade structure forms are compared.In the study of vehicle-track interaction and dynamics,the research progress of vehicle-track vertical unified model and the the development of spatial coupling model and corresponding dynamics model are described.The future research of subgrade structure is also proposed.

关 键 词：高速铁路 混凝土路基 结构型式 静力和动力特性 车辆轨道动力耦合系统 轮轨动力学 

分 类 号：U216.417[交通运输工程—道路与铁道工程]