Theoretical investigation into the effect of rail vibration dampers on the dynamical behaviour of a high-speed railway track

被引：9
|
作者：
Xiao, Xin-biao [1 ]
Li, Ya-guang [1 ]
Zhong, Ting-sheng [1 ]
Sheng, Xiao-zhen [1 ]
机构：
[1] Southwest Jiaotong Univ, State Key Lab Tract Power, Chengdu 610031, Sichuan, Peoples R China
来源：
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A | 2017年 / 18卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Rail damper; Track dynamics; Dispersion curves; Vibration decay rate; PERIODIC STRUCTURES; WAVE-PROPAGATION; NOISE; ABSORBER; WHEEL/RAIL;
D O I：
10.1631/jzus.A1600697
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Installation of rail vibration dampers (rail dampers for short) onto rails between sleepers is one of the measures to control rail noise generation and roughness growth. Amid the rapid expansion of high-speed and underground railway networks in China, many suppliers are actively marketing and promoting their products, often giving confusing information. In this paper, a parametric study is used to investigate the effect of rail dampers on the dynamical behavior of a Chinese high-speed railway track. The Fourier transform-based method developed for analyzing dynamics of a railway track as an infinitely long periodic structure, with or without rail dampers, is applied in the investigation. It is hoped that results in this paper can help develop the understanding of the working mechanism of rail dampers, and provide useful information for product design and application.
引用
收藏
页码：631 / 647
页数：17
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