摘要
列车运营产生的环境振动问题日益引起沿线居民关注。传播路径隔振是轨道交通振动控制措施的重要组成部分,它可以与振源措施、受振体措施共同组成振动防控的多道防线,但其在轨道交通振动控制的工程实践中应用相对较少。为全面了解和分析国内外传播路径隔振措施的研究现状,并在未来开展针对性研究,通过对国内外文献的调研,系统总结各类传播路径隔振的研究现况,介绍空沟与填充沟、地面堆载等连续性隔振屏障和波阻块、隔振桩等非连续性隔振屏障的研究现状,分析不同方式的隔振效果和影响因素,最后指出传播路径隔振措施在将来发展过程中面临的挑战以及需要解决的问题。研究表明:(1)空沟与填充沟对于屏蔽地面交通引起振动具有较好效果,沟槽的深度是影响隔振效果最重要的因素,当沟深达到一定程度时沟宽几乎不影响隔振效果;(2)地面堆载、波阻块、周期性排桩等隔振方法的研究主要集中于理论层面和原理性试验层面,进一步开展原位试验有助于积累数据,逐步实现工程化;(3)发展传播路径隔振设计理论、进行多种措施频率规划协调设计是实现环境振动综合控制的重要手段。
Environmental vibration caused by train operations has attracted increasing concern from residents along railway lines.Vibration isolation along the propagation path is an important part of rail transit vibration control measures.These measures can form multiple defense lines for vibration prevention and control together with vibration source and receiver measures,but their application in engineering practice remains relatively limited.To comprehensively understand and analyze the research status of propagation path vibration isolation measures at home and abroad,and to conduct targeted research in the future,this paper systematically summarizes the research status of various propagation path vibration isolation methods through review of domestic and international literature,introduces the research status of continuous vibration isolation barriers such as open and filled trenches and surface loading,as well as discontinuous vibration isolation barriers including wave impeding blocks and isolation piles,and analyzes the isolation effectiveness and influencing factors of different methods.The challenges and problems to be solved during future development of propagation path vibration isolation measures are pointed out.The research indicates that:(1)Open and filled trenches demonstrate good effectiveness in shielding against ground-borne vibrations caused by traffic.Trench depth is the most important factor affecting the isolation effectiveness.When the depth reaches a certain value,the trench width has almost no influence on the isolation effect.(2)Research on vibration isolation methods such as surface loading,wave impeding blocks,and periodic pile rows mainly focuses on theoretical studies and proof-of-concept experiments.Further in-situ tests will facilitate data accumulation and gradual implementation in engineering practice.(3)Developing design theories for propagation path vibration isolation and implementing coordinated design of multiple measures with frequency planning represent important approaches for achieving comprehensive control of environmental vibrations.
作者
刘天正
王宇
陈嘉梁
马蒙
侯森
LIU Tianzheng;WANG Yu;CHEN Jialiang;MA Meng;HOU Sen(Beijing MTR Construction Management Co.,Ltd.,Beijing 100068,China;School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China;Beijiao Zane Rail Technology(Beijing)Co.,Ltd.,Beijing 102600,China)
出处
《铁道标准设计》
北大核心
2025年第12期38-50,共13页
Railway Standard Design
基金
北京市自然科学基金项目(L221023)
北京市基础设施投资有限公司科研项目(2022-10-06-01)。
关键词
轨道交通
环境振动
振动控制
路径隔振
综述
rail transit
environmental vibration
vibration control
propagation path vibration isolation
review
