因此本文针对城市轨道交通的特点，着重对高架桥上整体道床的钢轨支承间距进行研究，计算分析了不同轨枕间距对轨道结构力学特性的影响。
In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
介绍广州市轨道交通3号线的工程特点及全线区间排水设计、废水泵站的设置及设备控制等情况。
The engineering characteristics, drainage design, layout of wastewater pump stations and equipment control of Guangzhou rail transit line 3 are introduced.
结合我国国有铁路的特点，就国有铁路与城市轨道交通系统之间的接驳方式进行了论述，提出了交通衔接的一些原则和方法。
This paper analyses the characters of national railway with a discuss on the method of joint operation of urban mass transit and national railway.
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