1) track vibration
轨道振动
1.
Effects of abrupt changes in track foundation stiffness on track vibration under moving loads;
移动荷载作用下轨道基础刚度突变对轨道振动的影响
2.
Influences of the train on track vibration when passing through the railway with irregularities and rigidity abrupt change;
列车通过轨道不平顺和刚度突变时对轨道振动的影响
3.
Research methods:By means of establishing the continuous elastic 3 layer beam model for track structure with random irregularity of track vertical profile,method of analyzing track vibration by Fourier transform technique is presented.
研究目的:分析客货混运铁路专线客车及货车引起轨道振动的规律。
2) Orbit type vibration
轨道式振动
3) track vibration boom
轨道强振动
1.
By use of this formula and the superposition principle,the relationships between track critical velocity and track vibration boom induced by a single wheel load and high speed trains are investigated and the influences of the Young s modulus of the track foundation and the flexural rigid.
在此基础上,利用叠加原理,研究轨道临界速度与单轮和高速列车诱发轨道强振动的关系,分析了轨道基础弹性模量和轨道抗弯刚度对轨道临界速度及轨道振动的影响。
4) characteristics of rail vibration
轨道振动特性
1.
This paper stresses that it is essential to railway development to match the environment, gives a brief introduction to the characteristics of rail vibration,the evaluation index and standard for rail vibration and noise,and describes the basic principle,basic method and technical way for reducing rail vibration and noise.
本文强调了与环境相协调是铁路发展的生命所在,扼要介绍了轨道振动特性、轨道振动与噪声的评价指标及其标准,以及轨道减振降噪的基本原理、基本方法和技术对策。
5) railway vibration analysis
轨道振动分析
6) track vibration accelerations
轨道振动加速度
1.
Based on the theory of Winkler foundation beam,an analytical model of wheel-track-trackbed is established,and the track vibration accelerations caused by train weight are obtained.
建立了轮-轨-道床计算分析模型,将钢轨视为Winkler地基上无限长梁,建立并求解该梁的动力方程,得到列车移动静力产生的轨道振动加速度;根据Hertz接触理论,求得轮轨动接触力,利用Green函数模拟轨道因轨道不平顺和轮轨动接触力作用产生的变形,进而求得轨道不平顺和轮轨动接触力引起的轨道振动加速度;叠加上述两种加速度,即得列车引起环境振动的振源振动加速度;最后将理论计算结果和实测结果进行比较,吻合较好。
补充资料：轨道保持(见航天器轨道控制)
轨道保持(见航天器轨道控制)
orbit keeping
guidQo baoehi轨道保持(o rbit keePing)见航天器轨道控制。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条