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桥梁横向刚度
相关语句
  bridge lateral rigidity
     Study on Limit Value of Bridge Lateral Rigidity for Preventing Derailment
     预防列车脱轨的桥梁横向刚度限值研究
     Based on energy random analysis theory for derailment,a new method to analyze the limit value of bridge lateral rigidity for derailment prevention is established.
     基于列车脱轨能量随机分析理论,提出了预防列车脱轨的桥梁横向刚度限值分析方法。
短句来源
     Based on energy random analysis theory for derailment,a new method for analyzing the limit value of bridge lateral rigidity for derailment prevention is established.
     基于列车脱轨能量随机分析理论,提出新的铁路桥梁横向刚度限值分析方法。
短句来源
     Based on theory of random energy analysis of train derailment,a new method was put forward to establish the limit value of bridge lateral rigidity with which derailment on bridges can be prevented.
     基于列车脱轨能量随机分析理论,提出了预防列车脱轨的桥梁横向刚度限值的制定方法。
短句来源
     On basis of energy random analysis theory for derailment, a new method is presented with which the limit value of bridge lateral rigidity for preventing derailment can be established.
     本文以列车脱轨能量随机分析理论为基础,提出了制定预防列车脱轨的桥梁横向刚度限值的新方法。
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  “桥梁横向刚度”译为未确定词的双语例句
     Preliminary Study of Lateral Stiffness of Railway Bridge
     铁路桥梁横向刚度的初步研究
短句来源
     By the comparison analysis of various conditions,the effect mechanism of train velocity,lateral stiffness of bridge span,stiffness of sub-structure,and the input excitings is discussed and summarized.
     通过对不同结构参数、列车速度和地震作用条件下桥车响应的对比分析,得出了行车速度、桥梁横向刚度(宽跨比)、桥梁下部结构刚度以及不同输入地震激励对桥梁地震响应的影响规律与特点。
短句来源
     The transversal rigidity of railway bridges is generally embodied through transversal deformation limit value, standard of which is a complex issue, and the issue becomes highlighted with increase of train speed, especially freight train.
     铁路桥梁横向刚度一般通过横向变形限值来体现 ,其标准是一个十分复杂的问题 ,随着列车速度的提高 ,尤其是货物列车速度的提高 ,这一问题变得十分突出。
短句来源
     Compare two groups of datum, when they are discrepant, bridge transverse stiffness parameter is amended by system identify method until they are accordant. So model parameter is thought of as actual bridge parameter, and identify damage of bridge transverse stiffness.
     比较计算位移的峰值与测量位移的峰值,在两组数值产生差异时,应用系统识别的正分析方法对模型横向刚度参数进行修正,直至计算值与测量值达到某种程度的吻合,认为此时模型的参数即为实际桥梁的参数,进而实现桥梁横向刚度的损伤识别。
短句来源
     The lateral rigidity limit values determined by the new method can ensure trains to run on bridges with smoothness and comfort,and also can prevent derailment.
     该方法确定的桥梁横向刚度限值既能保证列车平稳舒适运行,又可防止脱轨。
短句来源
更多       
  相似匹配句对
     Preliminary Study of Lateral Stiffness of Railway Bridge
     铁路桥梁横向刚度的初步研究
短句来源
     Study on Limit Value of Bridge Lateral Rigidity for Preventing Derailment
     预防列车脱轨的桥梁横向刚度限值研究
     Influence on security of moving train on bridge caused by bridge lateral rigidity
     桥梁横向刚度对列车走行安全性的影响
短句来源
     Influencing Factors of Running Safety on Railway Bridge ——Study on Lateral Pier Stiffness
     影响铁路桥梁行车安全的因素——桥墩横向刚度问题的研究
短句来源
     On the Stiffness Problems of Rail way Bridges
     关于铁路桥梁刚度问题
短句来源
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In this article,the earthquake response features of cable-stayed railway bridge are investigated through inputing different earthquake excitings to typical bridge and varying the vehicle and structural parameters.The study results show that the main factors affecting the seismic response characteristics of bridge are the dynamic properties of vehicles and bridge,as well as the input excitings.By the comparison analysis of various conditions,the effect mechanism of train velocity,lateral stiffness of bridge span,stiffness...

In this article,the earthquake response features of cable-stayed railway bridge are investigated through inputing different earthquake excitings to typical bridge and varying the vehicle and structural parameters.The study results show that the main factors affecting the seismic response characteristics of bridge are the dynamic properties of vehicles and bridge,as well as the input excitings.By the comparison analysis of various conditions,the effect mechanism of train velocity,lateral stiffness of bridge span,stiffness of sub-structure,and the input excitings is discussed and summarized.

通过对典型铁路斜拉桥在地震作用下的响应分析,研究了斜拉桥这种适用跨度大、空间受力性能优越的桥型的抗震性能。结果表明,影响斜拉桥在地震作用下的响应特性及桥上运行列车稳定性和安全性的因素主要是桥、车的动力特性及输入地震激励的物理特性。通过对不同结构参数、列车速度和地震作用条件下桥车响应的对比分析,得出了行车速度、桥梁横向刚度(宽跨比)、桥梁下部结构刚度以及不同输入地震激励对桥梁地震响应的影响规律与特点。

In this paper,the calculation model of the girder-pier system is proposed.Lateral seismic response of Long-span bridges with high piers is analysed numerically.Influ-ence of the asynchronous lateral ground motion on the bridge response is studied.Further-more,the role of the lateral stiffness in seismic response is discussed.Results of our study in-dicate that the asynchronous lateral ground motion has a negative effect on the earthquake-re-sponse of the long-span bridge with high piers. However,the lateral...

In this paper,the calculation model of the girder-pier system is proposed.Lateral seismic response of Long-span bridges with high piers is analysed numerically.Influ-ence of the asynchronous lateral ground motion on the bridge response is studied.Further-more,the role of the lateral stiffness in seismic response is discussed.Results of our study in-dicate that the asynchronous lateral ground motion has a negative effect on the earthquake-re-sponse of the long-span bridge with high piers. However,the lateral stiffness of box-girderhas little effect on the lateral seismic response of the bridge.

本文建立了梁、墩空间耦联体系力学模型,计算分析了大跨度高墩连续梁桥的横向地震反应;探讨了该桥在地震作用下的相位差效应,以及桥梁横向刚度对其地震响应的形响。研究结果表明,地震波的相位差效应对于大跨度高墩桥是不利的;梁的横向刚度对该桥的横向地震反应影响不大。

Contents of lateral stiffness of railway bridge are analysed, expressions of comfortable range, with horizontal f/L ratio as evaluation scale of lateral stiffness, for a train passing through a bridge are proposed, and furthermore, theoretic methods, considering accerleration probabilty distribution, for determining allowable f/L ratio are established and verified with calculation examples.

分析了铁路桥梁横向刚度的内蕴,提出了适用于列车过桥的舒适度表达式,建议以水平挠跨比作为横向刚度的评价尺度。在此基础上,考虑加速度的概率分布,得出了确定允许挠跨比的理论方法,并通过算例予以验证

 
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