A new method for the dynamic study of vehicle-bridge system has been presented here.
用频谱分析的方法研究了车桥系统由路面不平顺引起的动力响应。
The method has been verified by tooth machining experiment in Dongfeng Vehicle-bridge Co., Ltd.
本文提出的方法在东风车桥有限公司切齿实验中得到了验证。
The dynamic responses of the vehicle-bridge system on different bridge system stiffness are analyzed.
②拱上支撑墩刚度对列车桥梁振动响应的影响较小。
The analysing method applying to coupled vibration of railway vehicle-bridge system is advanced in this paper.
本文建立了铁路车桥系统耦合振动的分析方法。
Based on simple vehicle model and simple continuous girder bridge model the vehicle-bridge interaction model is make.
参照简化的车辆模型和桥梁模型,建立了车-桥相互作用的数学模型。
Finally, we do some research on more than one vehicle-bridge coupling system model and vibration analysis of the problem.
最后研究了多台变速车辆与桥梁耦合系统的振动问题。
However, it is well know that the random vibration analysis of vehicle-bridge coupling system is a very difficult problem.
而对车辆-桥梁这种复杂的耦合系统进行随机分析,历来被认为是一件非常困难的工作。
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。
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;
Under cross wind action, vehicle-bridge coupling vibration analysis requires consideration of aerodynamic force parameters of vehicle and bridge deck.
侧向风作用下的车桥耦合振动分析需要考虑相互气动影响的车辆和桥梁各自的气动参数。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
As long span Bridges are constantly emerging, the speed and load of vehicles are increasing, Coupled vibration of vehicle-bridge problems become more prominent.
随着高墩大跨桥梁不断涌现,车辆速度和载重量不断增大,车桥耦合振动问题愈加突出。
A Wind-Road Vehicle-Bridge (WVB) system is regarded as an integrated mechanical system consisted of nature wind, road vehicles and bridge with coordinate interaction.
风—汽车—桥梁系统是由自然风、公路车辆(汽车)和桥梁三者协调工作构成的统一力学作用体系。
Aerodynamic characteristics and wind pressure distribution of vehicle-bridge coupled system is stud-ied based on numerical simulation by computational fluid dynamic method.
基于计算流体动力学,采用数值模拟的方法研究了车桥耦合体系气动力特性和风压分布。
The method simplifies progress of vibration analysis of vehicle-bridge, provides valuable theory reference for vehicle-bridge dynamical analysis of homothetic large span bridge.
该方法简化了大跨斜拉桥车桥振动分析过程,便于工程技术人员应用,可为其他类型大跨桥梁车桥振动分析提供参考。
Based on random rail roughness and vehicle-bridge coupling element, a method is proposed for calculating random vibration of long span Bridges under moving vehicles in this paper.
基于随机轨道粗糙度和车桥偶合单元,提出了大跨桥梁移动车辆荷载作用下随机振动的计算模式。
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。
Furthermore, the research results of driven cavity flows were applied to the analysis of flow characteristics around the vehicle-bridge system considering the wind-break wall effect.
根据高速铁路桥梁带挡风墙的特点,引入空腔流动研究成果对车桥系统的绕流特性进行了理论分析。
Base on the analysis above, influences of vehicle-bridge caused by vehicle speed, running in one or two direction, various seismic loads and the seismic traveling wave effect are analyzed.
在此基础上分析了不同车速、单双向行车、不同地震波和考虑地震行波效应对车桥系统的影响。
Through finite element analysis and experimental study, this dissertation makes systematical research on vehicle-bridge coupling vibration of concrete box-girder with corrugated steel webs.
本文通过有限元分析和试验研究,对波纹钢腹板混凝土箱梁的车桥耦合进行了较为系统的研究。
Along with the construction of large-span, river-crossing Bridges, vehicle-bridge coupling vibration will make catenary vibrate, which can further affect pantograph-catenary coupling vibration.
随着大跨距跨江铁路桥的建设,车和桥的耦合振动会引起接触网的振动,进而影响弓网的耦合振动。
Finally, an example of straight buttonhole machine was provided to illustrate the availability of the proposed approach, also, we divided the Vehicle-Bridge and armor plate -rubber using this method.
最后用平头锁眼机的模块划分过程验证了该方法的有效性,并用该方法对汽车车桥和钢板研磨机进行了模块划分。
The neck of the special-shaped end cover is provide with a motor pedestal used for arranging and fixing the outer side part of the vehicle-bridge motor on a spring steel plate of an electric vehicle.
异形端盖的颈部设有电机座,用以将车桥电机的外侧部安装固定在电动汽车的弹簧钢板上。
The analysis results in the paper indicate that the effect of the curvature radii should be reckoned in the analysis of the vehicle-bridge coupled vibration about the continuous curved girder Bridges.
分析结果表明在曲线梁桥的车桥耦合振动分析中应计入曲率半径的影响。
These could measure how the bridge responds to the vehicle moving across it, and report any suspicious changes.
这样就能测出桥梁对通过车辆的反应,并报告任何可疑的变动。
That vehicle could have exploded off to the side of the bridge, still creating a large hole, but one that can be navigated around.
而那辆在桥上爆炸的汽车可能只是在桥的一边炸出一个窟窿,其他的车辆可以慢慢的从另一边驶过。
A vehicle could explode on a bridge, making the bridge unusable for other traffic.
一辆车在一座大桥上被引爆,会导致整个交通的瘫痪。
On June 9, his sport utility vehicle was found abandoned on the shoulder of the Bear Mountain Bridge on the Hudson River, with the words “suicide is painless” written in the dust on the hood.
6月9号,他的SUV汽车被发现丢弃在休斯顿河上的“熊山桥”桥头,引擎盖上的灰尘上写着“自杀毫无痛苦”。
The performances of SX562 bridge test vehicle and its application to bridge load bearing detection are introduced.
简述了SX562型桥梁测试车的各种性能及其在桥梁承载力检测中的应用。
The performances of SX562 bridge test vehicle and its application to bridge load bearing detection are introduced.
简述了SX562型桥梁测试车的各种性能及其在桥梁承载力检测中的应用。
应用推荐