轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
应用轮轨系统动力学的频域分析方法，研究了轨道刚度对轨道动力特性的影响规律。
The effects of track stiffness on track dynamic characteristics were investigated by the wheel-rail system dynamic analysis in frequency domain.
最后，在轨道刚度的合理取值范围内，对比分析了各种减振型无砟轨道、减振扣件的减振性能。
Finally, the vibration reduction performance of each kind of track and fasteners are analyzed and compared within the limit of reasonable stiffness.
当列车从高刚度轨道到低刚度轨道时，钢轨垂直力、钢轨加速度、轨枕加速度是由大逐渐减小，没有突变。
When train runs from the rail of high rigidity to the rail of low rigidity, the rail vertical force, rail acceleration and tie acceleration gradually change from large to small.
无碴轨道结构设计的关键在于强度、横向稳定性、刚度均匀性、减振性和耐久性。
The key of the ballastless track lies in the structure strength, lateral stability, stiffness uniformity, elastic buffer and durability.
在此基础上，分析了板式轨道的刚度变化对此系统竖向振动响应的影响规律。
The effect of the stiffness change of the slab track on the vertical dynamic characteristics of the system is analyzed.
并且进一步分析了不同土体阻尼比、扣件刚度、支座刚度对轨道隧道结构的动力响应影响。
This paper analyzes the effect of different soil damping ratio, fastener stiffness and support stiffness to the dynamic responses of the track tunnel structures.
对结构进行横向受力分析，分析梯形枕两侧缓冲材料对轨道结构的影响，确定缓冲材料的合理刚度。
This paper also confirmed the support position and stiffness of reasonable cushioning material by analysing the influence because of cushioning material when the horizontal force analysing.
为分析弹性钢轨扣件轨道的轮轨作用力，通过建立地铁车辆弹性扣件动力分析模型，分析了扣件刚度、列车运行速度等对轮轨作用力的影响。
This paper sets up a dynamic analysis model of subway vehicle-elastic fastener and analyzes the influence of fastener stiffness, train operation speed on the wheel-track force.
研究结果和现场运行检测记录表明，回转支承的运用对轨道旋转装置金属结构的强度和刚度有明显改善。 …
The results and the site operation detection both indicate that the gyration devices improve the track strength and stiffness significantly.
双块式无碴轨道是一种适用于客运专线的新型轨道结构，它具有高平顺性、高稳定性、刚度均匀性好、结构耐久性强和少维修的特点。
Double-block ballastless track applied on PDL is a new track structure. It is a low maintenance durable track structure with high stability, high geometric regularity and uniform track stiffness.
本论文的相关研究结果对实际工程中减振型无砟轨道的选型以及合理刚度设计具有参考价值。
The research achievement of this article is of reference value for the type selection of low vibration track and stiffness designment in practical engineering application.
道床刚度时轨道的横向振动影响较大，从理论上分析了钢轨和轨枕的动力响应与轨道横向刚度之间的关系。
The lateral stiffness of ballast affects the lateral vibration greatly. This paper analyses theoretically the dynamic response of rail and sleeper vibration under different stiffness.
道床刚度时轨道的横向振动影响较大，从理论上分析了钢轨和轨枕的动力响应与轨道横向刚度之间的关系。
The lateral stiffness of ballast affects the lateral vibration greatly. This paper analyses theoretically the dynamic response of rail and sleeper vibration under different stiffness.
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