因此,针对地铁列车振动的隔振减振措施已经成为一个重要的研究课题。
Therefore, the measure of the vibration isolation and damping according to the Metro vibration has been to become an important research topic.
指出了静应力场的几种处理方法以及在隧道列车振动分析中宜采用的计算方法。
Some disposal methods of the initial static stresses are presented and a preferable method is recommended in the analysis of train vibration responses of tunnels.
以此为基础,建立了列车振动荷载的分析模型,确定了列车振动荷载的数定表达式。
And then, the loading analysis model for the train vibration was established and the mathematical expression was obtained.
通过与列车振动现场测试结果(路堤位移和速度)的比较,证明了所采用模型的合理性。
Compared with the in-situ testing results of train vibration, including embankment displacement and velocity, it is shown that the presented model is reasonable.
跨越铁路的高速公路桥梁在灌筑混凝土期间列车振动对桥梁梁体混凝土的影响是一个在施工中不容忽视的问题。
The influences of train vibration upon concrete of expressway bridge girders spanning railway line during casting of the concrete are a problem that cannot be neglected.
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.
国内外已有学者对地铁列车振动诱发的相关问题作了研究,但大部分都是在假设隧道埋深不变的理想情况下进行的。
Domestic and foreign scholars have been induced by vibration of subway trains were research-related issues, but most of the same depth in the assumed tunnel carried out under ideal conditions.
在这种情况下,研究地铁列车振动影响下的多孔介质地下水的溶质运移(污染物扩散)问题具有理论意义和实际意义。
In that case, it is significative that the research which is about hydrodynamic dispersion with the effect of metro trains vibration.
如何合理的设计车辆和轨道,抑制车轨耦合振动成为磁浮列车系统研究的热点问题。
How to design the vehicle and guideway feasibly to attenuate the coupling vibration is a hot topic in the maglev train engineering.
采用直线同步电机拖动,较好地解决了磁悬浮列车的振动、悬浮、导向三要素问题。
Adopting the driving of the linear synchromesh motor can well solve three element factors (vibration, suspension and guidance) of magnetically suspended train.
利用三角级数法模拟了轨道的不平顺,采用列车编组和桥梁组合的模型,建立了车桥耦合振动方程。
By simulating the track irregularities with trigonometric series method, the train-bridge coupling vibration equations are established based on the combined modal of train formation and the bridge.
根据轨道加速度测试数据和分析车辆体系的振动,得到了列车荷载的模拟数定表达式。
A frequency spectral analysis was performed and a simulated deterministic expression of train loading was obtained by analysing the vibration of the carriage system.
本文应用键图法及其相应的键图模拟程序TUTSIM解决了列车垂向振动的实际问题。
Described in the paper is the solution to the problem of train perpendicular vibration by applying bond-graphs method and its relevant simulated program TUTSIM.
本文较系统地分析研究了铁路列车引起的振动对周围自由场地及建筑物的影响。
In this paper, the propagation of train-induced vibrations and their influence rules in the surrounding free field and building are systematically analyzed.
本文提出了一种分析列车、大跨度钢桁梁斜拉桥系统空间振动的方法。
In the paper, a method for spatial vibration analysis of the system of train and long span steel trussed cable-stayed bridge is presented.
采用激光二维扫描技术,实现了列车动态横向振动偏移量的测试,易于实施,数据准确,对制定合理的站台界限提供参考数据。
The planar laser scanning technique described in this paper realizes the measurement of train dynamic transversal vibrations offset easily and exactly.
分析了国内外在列车-轨道(桥梁)时变系统空间振动方程的建立及其求解过程中存在的根本问题。
The fundamental problem in the establishment and solution to the spatial vibration equation of train-track (bridge) time-varying system at home and abroad is analyzed in detail.
通过对两座桥梁振动测试结果的分析,发现列车编组对桥梁振动响应很有影响,且这一现象过去常常被忽略。
By examining the test results of vibration for a few Bridges, it is found that train formation has a strong effect on bridge vibration responses.
振动加速度峰值受轮轴荷载的影响较大,基本上呈线性增加趋势;而列车长度对振动加速度的影响较小。
The effects on the ground vibration by the factors such as the length, the load and the speed of the train are analyzed.
利用地面和车载测试系统,对列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车风、隧道口微气压波和隧道壁面振动加速度等参数进行测试。
Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.
列车运行速度对振动速度、振动加速度的影响比对动应力、动变形的影响更显著。
Train velocity has little influence on the dynamic stress and dynamic deformation of subgrade bed, but has obvious influence on vibrating velocity and vibrating acceleration.
通过铁路桥梁和铁路线路附近的两次现场试验,研究列车对周围地面和邻近建筑物的振动影响。
In this paper, the vibrations of ground and nearby buildings induced by moving trains are studied through field experiments.
本论文的研究成果,有利于加深理解含融化夹层多年冻土场地和季节冻土场地路基列车行驶振动反应与振害问题。
The results are favorable for further understanding the vibration response and train-induced diseases of the subgrade both on permafrost site within thawing interlayers and seasonally frozen site.
要做出正确、适当的环境振动评价,首先要掌握列车运行时振动产生的机理。
To get right proper evaluation of environment vibration, first of all we should master the mechanism of how the train induced vibration came into being .
为获得各轮轴处轨道不平顺,用于列车-桥梁振动控制和随机振动分析,研究了轨道不平顺的模拟方法。
To obtain rail irregularity samples for train-bridge vibration control and stochastic analyses, a simulation method of irregularities at all axles of a train was investigated.
计算了列车引起的地面振动,以分析隧道地基弹性模量和隧道埋深对地面振动响应的影响。
The ground vibrations were calculated to analyze the influences of elastic modulus of soils and the burial depth of tunnels.
磁浮列车不会产生噪声和振动,具有安全高效等优点。
It doesn't produce noise and Vibration. It has advantages of security and high efficiency.
超长无缝钢轨减少了列车行驶过程中的振动。
因此,研究地铁列车引起的振动及减振方法不仅必要而且十分迫切。
So, research on the vibration induced by metro vehicle is urgent and important.
为了正确评价轨道沿线环境的振动,有必要深入研究列车荷载作用下地基土的动力响应。
In order to evaluate the vibration along railway correctly, it is necessary to lucubrate the dynamic response of ground bearing the moving loads of vehicle.
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