关键字】：既有铁路；桥涵施工；防护方法；研究 [gap=427]Key Words: existed railway; bridge construction; protective methods; research ...
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It has presented some recommendations of the ballast track’s design and stiffness’matching type. The paper can supply some reference theory to domestic existed railway’s improving speed and railway’s converting.
本文最后总结了论文的主要研究内容,通过仿真计算结果的分析,对有碴轨道的结构设计和刚度匹配选型提出了建议,并为国内既有线提速和线路改造方面提供理论参考。
参考来源 - 提速干线有碴轨道结构刚度变化对线路垂向动力特性影响分析·2,447,543篇论文数据，部分数据来源于NoteExpress
In view of the severe situation about the bed disease in the existed railway tunnel, the mechanics condition on the railway tunnel bed was analyzed by using the elastic bearing method.
针对我国既有铁路隧道铺底病害严重的现状，采用弹性支承法，对铁路隧道铺底结构的受力状态进行分析。
This article described application situation of welding robot in railway car manufacture. Analyzed some questions existed in the application, and putted forward the solutions.
介绍了焊接机器人在铁路客车制造行业的应用状况，分析了焊接机器人应用过程中存在的问题，提出了相应的解决措施。
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