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.
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.
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.
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.
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