超长无缝钢轨减少了列车行驶过程中的振动。
道岔与无缝线路焊接后，随着轨温的变化，长钢轨纵向温度力将直接作用于道岔的撤叉和转撤部分。
When a turnout is connected with CWR through welded joints, the longitudinal rail temperature force ACTS directly on the frog and the switch section along with the variation of rail temperature.
无缝线路长钢轨通常由铁路焊轨厂或现场焊轨基地焊接。
Long rails in jointless track are usually made on welded rail site or in railway welded rail factory.
钢轨焊接是无缝线路建设工程中的关键环节，它直接决定了钢轨接头的质量，从而对铁路安全有重要影响。
The rail welding plays an important role in the engineering of laying continuous welded railway (c WR), and decides the quality of rail tie-in directly, which has great influence on railway security.
针对桥上无缝道岔，运用有限单元法，建立了钢轨-岔枕-桥梁弹簧-阻尼空间振动模型。
Aiming at vibration analysis of seamless turnout on bridge, the rail-turnout-tie-bridge spring-damping vibration model was built by using finite element method.
基于有限单元法，建立了多组无缝道岔相联结时钢轨位移和纵向力的计算分析模型，编制了计算软件。
On the basis of finite element principle, a mechanical model is advanced for calculating the rail displacements and longitudinal forces of the welded turnout group. A computer program is designed.
无缝道岔温度力的特点在于基本轨要承受附加温度力的作用，岔内钢轨受力和位移状况复杂。
The characteristic of the temperature stress in the jointless switch lies in supporting additional temperature stress on the stock rail, the stress and the displacement presents the complex nature.
研究了跨区间无缝线路的两项关键技术，即钢轨绝缘接头的处理和可动心轨无缝道岔的应用。
Two kinds of key technology for interregional LWR, disposal of glued insulated joint and application of swing nose frog turnout, are researched in this paper.
灰斑已成为无缝线路钢轨结构接触焊接头最突出的缺陷。
Grey spot has become the most conspicuous defect in resistance welding joint of the structure of continuous welded rail track.
钢轨焊接是无缝线路建设的重要环节，它直接决定了钢轨接头的质量并影响到铁路运输的安全性。
The rail welding plays a significant role in the construction of continuous railways, for it directly determines the quality of rail welding joints and the security of railways transportation.
跨区间无缝线路的应用，最大限度地减少了铁路轨道的钢轨接头，从而为高速列车提供安全、平稳的运行条件。
As the cross sector seamless line application, maximum limit reduced the railroad track rail joint, thus the security; the steady movement conditions are provided for the high-speed train.
自然环境条件下的温度变化会在钢轨内部产生拉伸应力，影响无缝线路轨道的稳定性。
The variability of weather and climate is a cause of considerable stress to CWR track which has influence on the stability of rail.
自然环境条件下的温度变化会在钢轨内部产生拉伸应力，影响无缝线路轨道的稳定性。
The variability of weather and climate is a cause of considerable stress to CWR track which has influence on the stability of rail.
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