高速磁浮轨道结构沉降的高精度预测及控制策略  

High-precision Prediction and Control Strategy for the Settlement of High-speed Maglev Track Structure

作　　者：朱合华[1,2] 张锋[2] 闫治国[1,2] ZHU Hehua;ZHANG Feng;YAN Zhiguo(State Key Laboratory of Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China;College of Civil Engineering,Tongji University,Shanghai 200092,China)

机构地区：[1]同济大学土木工程防灾减灾全国重点实验室,上海200092 [2]同济大学土木工程学院,上海200092

出　　处：《前瞻科技》2023年第4期61-69,共9页Science and Technology Foresight

摘　　要：轨道结构沉降高精度控制是保证高速磁浮列车安全稳定运行和乘坐舒适性的关键。文章阐述了磁浮轨道结构沉降的特点及研究现状。针对600 km/h速度级高速磁浮对轨道结构沉降控制的需求,分析了其面临的技术挑战和难题,提出了高速磁浮轨道结构沉降控制的发展展望与建议:创建结构-基础-土体复合体系沉降高精度计算理论,创新高速磁浮轨道结构与基础新体系,突破高速磁浮轨道结构沉降自主控制技术,为600 km/h速度级高速磁浮轨道结构的设计与施工提供技术支撑。Precise control of track structure settlement is essential to guarantee the steady and secure functioning of high-speed maglev trains.An overview of the features and progress of maglev track structure settlement is provided.In order to address the need for settlement control of maglev track structures at 600 km/h,an analysis is conducted on the technical challenges and difficulties,leading to the proposal of development prospects and suggestions for settlement control of high-speed maglev track structures.These suggestions include the creation of a high-precision analysis and calculation theory for settlement of structure-foundation-soil composite system,the development of an innovative high-speed maglev track structure and foundation system,and the implementation of autonomous control technology for settlement of high-speed maglev track structures.The results can provide technical support for the design and construction of 600 km/h maglev track structure.

关 键 词：高速磁浮 轨道结构 沉降 高精度预测 自主控制 

分 类 号：U237[交通运输工程—道路与铁道工程]