轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
The widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
文摘：轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
Abstract: the widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
轮轨接触几何参数的匹配优劣直接影响着轮轨接触应力值的大小。
Rail-wheel contact stress depends to a large extent on the matching of rail-wheel geometry parameters.
本文从车轮与钢轨头顶面曲率和斜度的关系对轮轨接触形状进行了研究。
In this paper, the contact profile for wheel and rail tread was researched fro the relationship for the curvature of profile and the slope.
铁路系统是以轮轨接触为基础的运输系统，钢轨在其中扮演了重要的角色。
Railway system is a transport system based on wheel-rail contact. Rail played an important role in this system.
针对这一问题，本文介绍了能够对轮轨接触位置等参数进行连续测量的装置。
In view of this problem, a device is developed to make the continuous measurement of such parameters as the wheel-rail contact positions.
将曲线通过车辆和曲线连续梁桥分为两个由非线性轮轨接触力联系的振动子系统。
Take the curve negotiating vehicle and curve continuous beam bridge as two vibration subsystems connected by nonlinear contact force between wheel and track.
轮对减振可以通过调整轮对刚度分配，充分利用导纳的相位，改变轮轨接触特性等实现。
Reducing wheel vibrations can be accomplished by adjusting the wheelset stiffness distribution, making full use of the admittance phase, and modifying the wheel rail contact characteristics.
不同的车轮踏面形状与同一钢轨匹配时具有不同的轮轨接触几何关系，影响车辆的动力学性能。
The wheel-rail contact geometry relationship is different when different wheel tread shape matches the same rail, which will influence the dynamic performance of the vehicle.
分析了新建地铁车站深基坑开挖过程中既有车站内的轮轨接触荷载对车站结构及其周围土层变形的影响。
The structure deformation of old metro station and ground settlement in proximity by vehicle contact load is analyzed during the deep excavation of nearby new transfer metro station.
本文首先介绍了列车振动荷载产生和作用的机理，轮轨耦合动力学分析模型，轮轨接触模型和轮轨不平顺模型。
This paper introduces the producing and acting mechanics of the train vibration loads, wheel-rail couple dynamic model, wheel-rail contact model and irregularity model.
处于轨道与道床之间的减振橡胶垫对降低轮轨接触噪声起着重要作用，所以对减振橡胶垫各项性能的研究显得非常重要。
The rubber absorbers between rail and sleeper plays significant role in reducing noise due to the friction between rail and wheel.
相反，机车车辆构架蛇行波反映了引起此系统横向振动所有因素的影响，同时还反映了轮轨实际接触状态。
On the contrary, the hunting wave of car bogie frame covers the influence of all factors causing transverse vibration of the system and reflects the action of different wheel-rail contact conditions.
轮轨相互作用遵从赫兹非线性弹性接触理论。
The interaction between wheel and rail conforms to the Hertzian nonlinear elastic contact theory.
从滑动接触应力的角度，为轮轨关系的许多实际课题的研究提供了一个计算分析公式。
A calculating and analyzing formula is provided, from the point of view of slipping contact stresses, for the researching of many practical projects concerning the wheel-rail relations.
轮轨表面的污染层也会影响粘着系数的变化，它避免了轮轨表面直接接触，有利于减少磨损。
While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.
利用ANSYS用户可编程接口技术，设计了一种轮轨动力接触单元。
A kind of dynamic wheel-track contact element is designed by the technology of ANSYS User Program Features.
对于工况参数，主要分析了横移量、轴重和轨底约束对轮轨滚动接触应力场的影响。
The effects of case parameters on the distribution of elastic-plastic stress hi railhead are analyzed including lateral displacement, gross rail load on axle and constrained conditions of rail bottom.
介绍了应用CCD摄像机检测铁道车辆车轮轨道接触面的研究试验系统。
The paper describes the testing system for researching measurement of the railroad car wheel tread by means of CCD-video camera.
碰撞接触容易引起塑性变形，这种变形与踏面形状无关，应注意消除轮轨间的不平顺。
The plastic deformation would more easily occur due to the impact contact, but it is independent to the shape of tread. However, to eliminate the irregularity between the wheel and rail is necessary.
证实了轮轨多点接触新方法的正确性和有效性。
The correctness and effectiveness of the new method are verified.
研究发现：相同轴重下，滚动速度越大，粗糙峰接触压力与总压力的比值越小，导致轮轨之间的粘着系数下降；
When under the same axle load, if the wheel rolling speed gets higher, the adhesion coefficient declines as the ratio of the mean asperities contact pressure to the total pressure becomes smaller.
研究发现：相同轴重下，滚动速度越大，粗糙峰接触压力与总压力的比值越小，导致轮轨之间的粘着系数下降；
When under the same axle load, if the wheel rolling speed gets higher, the adhesion coefficient declines as the ratio of the mean asperities contact pressure to the total pressure becomes smaller.
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