Such as track datum, ballast thickness, flatness of the track is not qualified, the tower crane swing or skew;
如轨道基准面、道渣厚度、轨道平直度等不合格，塔机运行晃动或歪斜；
Railway track construction and maintenance plant. ballast cleaning machine. specifications.
铁路建造和维护设备。道碴清理机。规范。
The large track maintenance machines were used in the railway engineering construction of replacement for ballast on the Guangzhou-Maoming railway line.
文章介绍了有关在广州-茂名铁路运用大型养路机械进行更换石碴施工的技术和经验。
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.
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 model, the tramcar was regarded as two degrees of freedom spring-mass-damper system, and the track was regarded as Bernoulli-Euler beam that locates on continuous and elastic ballast.
模型中，矿车被等效为两自由度弹簧-质量-阻尼系统，铁轨被等效为铺设在连续弹性道床上的伯努利·欧拉梁，矿车与铁轨的振动相互耦合。
The cutter bar efficiently cuts its way underneath the track, where it removes fouled ballast and deposits the spoil into the digging wheel.
刀杆可在铁轨下方进行有效切挖，同时也可移除脏污道砟，并将其存放到挖掘圆盘上。
The finite element model of the track is established in ANSYS. It includes the rail, the pad, the sleeper, and the ballast.
在ANSYS中建立了轨道有限元模型，整个轨道的结构包括钢轨、扣件、轨枕、道碴。
The finite element model of the track is established in ANSYS. It includes the rail, the pad, the sleeper, and the ballast.
在ANSYS中建立了轨道有限元模型，整个轨道的结构包括钢轨、扣件、轨枕、道碴。
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