阐述了无缝线路的基本结构和基木原理。
Basic structure and theory of LWR are elaborated in this paper.
温度跨度是影响桥上无缝线路的主要因素之一。
Temperature span is one of the main factors to affect the jointless track on bridge.
最后，探讨了无缝线路稳定性安全界限的模糊性。
In the end, fuzziness of CWR stability safety limit is discussed.
桥上无缝线路梁轨相互作用是轨道工程的关键技术。
The interrelated action principle of beam and rail of continuously welded rails on bridge is the pivotal technique of track engineering.
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.
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.
研究目的：解决小半径曲线地段桥上无缝线路设计的难题。
Research purposes: To solve the problems on designing continuous welded rail on bridge in the small radius curve section.
本文分析了运动荷重与基础阻尼对铁路无缝线路强度计算的影响。
This article analyses the effect of motional loading and basic resistance on the intensity calculation of seamless railroad.
自1968年以来，我国六千公里无缝线路上曾先后发生胀轨跑道事故多起。
Since 1968 several buckling accidents have happened on some parts of the 6000km.
无缝道岔是跨区间无缝线路的重要组成部分，能显著提高列车运行速度和平稳性。
The jointless switch is an important component part of jointless track across sections, it can notably raise the train running speed and the regularity.
桥上无缝线路的纵向力，由于梁轨相互作用，将通过桥跨结构传递到桥梁的墩台上。
Due to the interaction between railway Bridges and CWR, the longitudinal forces of CWR are passed to the piers through the structure of the bridge.
城市铁路为无缝线路，列车正常运营期间进行隧道下穿施工时对线路变形有严格要求。
Urban rail transit adopts jointless track that has strict requirements on track deformation during its operation when a tunnel construction is underway under it.
基于普通无缝线路稳定性分析的统一公式，探讨了无缝道岔转辙器稳定性的计算方法。
Based on the general formula for the stability analysis of common jointless trac ks, the calculation method for the stability of switches of a jointless turnout is put forward.
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.
用广义变分法来计算桥上无缝线路附加力，提出了研究桥上无缝线路附加力计算的新方法。
The author applies generalized variational methods to calculate the additional expansion and contraction forces of CWR on bridge.
本文假定跨区间无缝线路中的无缝道岔为一结构体系，岔枕为连续弹性基础上的有限长梁。
This paper assumes that the welded turnout in the continuously welded rail track is a structural system, and the railway tie in the welded turnout is a beam on the continuously elastic foundation.
跨区间无缝线路，即轨条与轨条、轨条与道岔直接焊接，轨条之间直接传递纵向力和位移。
Cross sector seamless line, namely rail bar, rail bar and rail switch direct welding; the vertical force and displacement are direct transmitted between rail bars.
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.
为了保证无缝线路轨道的使用寿命及确保行车安全，对于无缝线路技术的研究显得越发重要。
In order to guarantee the safety and stability of high-speed train, the study of continuous welded rail (CWR) tracks has become more and more important.
本文对原苏联无缝线路(简称CWR)的流变理论研究进行了介绍，并指出了其研究的不足。
The rheological theory research of CWR in former Soviet Union is introduced and the defect of the research is pointed out.
应用概率论和数理统计方法，建立了无缝线路动力稳定性分析系统中的随机不确定性的概率模型。
Using probability theory and mathematical statistics, probabilistic model on randomicity of the dynamic stability analysis system are built.
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.
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.
通过对试验数据的分析整理，为冻结无缝线路稳定性分析提供了道床横向阻力和纵向阻力等计算参数。
Based on the analysis of the data, I provide ballast's longitude and lateral parameter for the stability analysis of frozen jointless track.
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.
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.
然后对两种类型的变量阻力进行分析，并提出了当桥梁处于无缝线路固定区和桥上存在伸缩区的情况下采用线性变量阻力的计算方法。
Both linear and nonlinear track resistances are then discussed. Methods of computation with linear variable resistance are presented for the static zone and the breathing zone situated on the bridge.
然后对两种类型的变量阻力进行分析，并提出了当桥梁处于无缝线路固定区和桥上存在伸缩区的情况下采用线性变量阻力的计算方法。
Both linear and nonlinear track resistances are then discussed. Methods of computation with linear variable resistance are presented for the static zone and the breathing zone situated on the bridge.
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