In chapter four, Bridge vibration system Modeling.
第四章。桥梁振动系统建模。
The vehicle-bridge vibration system is divided into two sub-system of vehicle vibration system and bridge vibration system.
两个体系的振动相互影响、相互制约，使其可以看作一个车辆桥梁体系的振动。
This paper will introduce the principle of tuned mass damper (TMD) and its application in bridge vibration control with exam…
结合城市轨道交通高架桥与铁路大提速的减振，本文还介绍了钢弹簧浮置板技术的应用。
In the view of comfort properties, the effects of bridge vibration on the vertical acceleration of vehicle are discussed in present paper.
本文从舒适性角度出发，讨论了桥梁结构的振动对车辆垂向加速度的影响。
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.
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.
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。
Aimed at popular bridge in the engineering, we build a piezoelectric bridge vibration model and analyze the vibration shape and distribution of the dynamic strain.
针对工程实践中常见的桥梁问题，建立了其在自由振动下的模型，分析了其前几阶振动模态下的振形和动态应变分布。
The basic idea of this method is that the vibration characteristics can reflect the state of the structure, and damages can cause changes of bridge vibration parameters.
振动特性能够反映结构的状态，损伤的产生会导致桥梁某些振动参数的变化。
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.
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。
By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.
运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。
According to the characteristic and demand of the bridge vibration measurement, the linear CCD detect technology is chosen t to realize the non-contact and mobile automatic measurement.
根据桥梁挠度检测的工作特点及要求，采用线阵CCD实现对桥梁振动挠度的远距离、非接触性、动态自动化检测。
For the styles of highway Bridges are diversified and the weight of vehicles is complex and uncertain, the bridge vibration analysis caused by moving vehicles becomes even more complex.
由于公路桥梁结构型式的多样化和汽车荷载的复杂性及不确定性，使得公路桥梁因车辆过桥而引起的耦合振动分析更加复杂。
According to principle of bridge vibration, this paper lead through boundary condition of free beam and deduce vibrational equation of free beam to solve rigidity and model of vibration.
本文根据桥梁的振动原理，引入简支桥梁的边界条件，推导简支桥梁的振动方程，求解出桥梁刚度、振型的实际运用公式。
The vibration sensor realizes the digitalization and network transmission of the analog signals of the bridge vibration. The monitoring and control network integrate the Internet perfectly.
这种新型的振动传感器实现了对桥梁健康状态振动模拟信号的就近数字化和网络传输，使得测控网与信息网融为一体。
Using loads vehicles' vertical shock effect, arouses the bridge the vertical vibration, the abbreviation "jump experiment", this method in dynamic load experiment widespread use.
利用加载车辆的竖向冲击作用，激起桥梁的竖向振动，简称“跳车试验”，这种方法在动力荷载试验中广泛使用。
As widespread construction of long-span Bridges and extensive application of efficient construction materials, the problems of bridge structure vibration have become increasingly prominent.
大跨度桥梁的大量兴建和高效能建桥材料的广泛应用，桥梁结构的振动问题日趋突出。
The transverse stiffness of medium-span railway bridge becomes insufficient and its transverse vibration becomes larger commonly under the raised speed freight train.
中等跨度铁路桥梁在提速货车作用下，普遍出现横向刚度不足，横向振动超限问题，严重影响了运营安全和提速计划的顺利实施。
An application of this measurement technology in the vibration remote monitoring system of bridge is introduced in this paper.
本文介绍这一技术在桥梁振动数据远程监测系统中的应用和实现方法。
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.
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。
This paper discussed the transfer matrix theory of vibration analysis of long-span arch bridge.
本文探讨大跨度拱桥振动分析传递矩阵法理论。
So it is important to study pier's vibration characteristic and the impact on the bridge by the pier.
因此，研究桥墩的振动特性及桥墩对桥跨横向振动的影响具有重要意义。
The vibration mechanical model of gantry and bridge crane is established by means of structural analysis.
通过对门桥式起重机的结构分析，建立了其振动力学模型。
Vibration equations for the bridge are derived using spatial beam element.
建立了桥梁的有限元振动方程；
Theoretical research and earthquake damage investigation indicate that there is bend torsion coupling vibration for curved bridge when earthquake occurs.
理论研究与震害经验表明，地震时曲线桥梁会产生弯扭耦合振动。
There are great differences in the vibration characteristics induced by wind between large steel bridge tower and concrete bridge towers.
大型钢制桥塔其风振特点与常规混凝土桥塔有较大差异，国内有关钢桥塔风振研究较少。
Through beam structure finite unit dynamic analysis and experiment of RC model beam, we build the relationship between beam bridge attached load vibration characteristics and damaged model.
利用杆件结构有限元动力分析计算，并通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
The rotation effect of running cars in vehicle-bridge coupled vibration analysis was considered, though its effect is minor.
并考虑了车-桥耦合振动中行驶车辆的转动效应，虽然它的影响是很小的；
To get an exact solution of the forced vibration of the beam bridge under the load of moving vehicles is difficult in the engineering design.
桥梁在移动车辆荷载作用下的振动分析是工程设计中有待进一步解决的问题之一。
Based by singularity of vibration signal of damage position on cable-stayed bridge as vibrating, we can analyze vibration signal when cable-stayed bridge is damaged to estimate structure damage.
根据斜拉桥结构在振动时受损部位的振动信号的奇异性，利用小波奇异性检测理论分析斜拉桥结构在受损时的振动信号，判断结构损伤情况。
Based by singularity of vibration signal of damage position on cable-stayed bridge as vibrating, we can analyze vibration signal when cable-stayed bridge is damaged to estimate structure damage.
根据斜拉桥结构在振动时受损部位的振动信号的奇异性，利用小波奇异性检测理论分析斜拉桥结构在受损时的振动信号，判断结构损伤情况。
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