However, current maintenance for turnout is when the turnout in the event of failure. This will seriously affect the high-speed railway lines in operation, even cause catastrophic accidents.
但我国目前的道岔维护都是故障后的维修，这在高速铁路上将严重影响线路的运营，甚至引发灾难性事故。
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.
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。
Highspeed turnout serves as a vital part of track structure for highspeed railway, and its structure and condition play an important role in train running safety and quality.
高速道岔是高速铁路轨道结构的关键，其结构与状态对列车运行安全和运行品质具有重大影响。
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