度桥

桥墩纵向水平线刚度对桥上无缝线路设计的影响

Impact on the Design of CWR Track on Bridge by Longitudinal Stiffness of Piers

本文提出新的不等刚度梁桥跨中荷载实测横向分布系数的计算方法，简化了实测横向分布系数计算过程。

At the same time , the facility calculating method of the load transverse distributing coefficient about vary rigidity beams was put forward firstly in this paper .

变刚度预应力简支梁桥固有振动分析

Natural Vibration Analysis for a Simply Supported Girder Bridge with Varying Rigidity and Prestressing Force

大型钢桁架悬索桥节点刚度对成桥受力影响探讨

Discussion About Influence of Joint Rigidity of Long Span Suspension Bridge with Stiffening Steel Truss Girder on Completed Bridge Working Points

列车的安全和旅客的舒适度都和桥上的车辆与轨道的相互作用有关。

The running security and comfort of all passengers have a lot to do with the interaction between vehicle and track on the bridge .

特别是数字式补偿法，不仅能够达到全补偿，还可以用一个普通电源代替高稳定度的供桥电源和A/D转换器参考电源。

The method of digital compensation is able to make a full compensation and only requires a common power source of A / D converter .

结构在施工过程中的刚度比成桥时更小，几何非线性突出。

The stiffness of the structure during the construction process is smaller than a bridge when it is done , geometric nonlinearity is more prominent .

本文分析了用电阻箱作桥臂电阻自组电桥的灵敏度及测量结果不确定度，给出桥臂电阻的选择原则。

The sensitivity of the self-organized bridge using resistance box as arm resistance and the uncertainty of the measuring result are analysed . The selecting principles are given .

大跨斜拉桥作为一种比较新颖的桥梁结构形式，随着跨度的增大，具有刚度小，桥面板均匀轻巧的特点。这种特点也决定了其自身的振动响应有别于其他桥梁。

As a relatively new form of bridge structure , long-span cable bridge , with panel uniform and light , small rigidity , has its own vibration characteristics .

深入分析了预应力以及变刚度对简支梁桥竖向固有振动频率的影响。

Cy. Based on the calculation and testing , the influences of prestressing force and varying rigidity on vertical natural vibration frequencies of simply supported girder bridge are detailed .

对发生过脱轨事故的桥梁进行试验和理论分析，发现桥梁横向刚度是影响桥上列车走行安全性的重要因素。

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 .

本文还分析了公路横梁刚度、混凝土桥面板的厚度及混凝土材料非线性对板桁斜拉桥混凝土桥面板有效宽度计算的影响，得出了有益结论；

This paper analyzes the influence of the bending rigid of highway transverse beam , the depth of concrete deck plate and the material nonlinear on the effective deck plate width and draws some important conclusions .

加设钢管桁架纵梁改造中承式拱桥悬挂桥道系的应用研究大型钢桁架悬索桥节点刚度对成桥受力影响探讨

Research on Strengthening Suspended Deck System for Half-through Arch Bridge by Setting Longitudinal Steel-Tubular Trusses Discussion About Influence of Joint Rigidity of Long Span Suspension Bridge with Stiffening Steel Truss Girder on Completed Bridge Working Points

考虑主缆弯曲刚度后对悬索桥的影响

The research of influence on suspension bridges after considering bending rigidity of cable

桥面平整度对连续梁桥动力响应的影响分析

Analysis on Influence of Bridge Level Degree on Dynamic Response of Continuous Beam Bridge

基于刚度改变的旧桥损伤分析与研究

Study and Analysis on the Defection of the Existed Reinforced Concrete Bridge with Changing Stiffness

考虑偏心支承影响的两跨60度弯箱梁桥位移分析

Displacement analysis of 60 ° curved box-girder bridges with two spans considering the eccentric support

少数桥梁横向刚度不足，导致桥上货物列车脱轨事故多次发生。

Low value of bridge lateral rigidity results in a series of derailment accidents on bridges .

不同等级桥面平整度对连续梁桥各特征截面的动力响应有一定的影响。

The level degree of bridge in different rank has different influence on dynamic response of continuous beam bridge .

采用一种非线性弹簧单元模拟层间短纤维，通过改变弹簧刚度修正短纤维桥联力，避免了复杂的迭代计算过程。

The short-fiber is simulated by a nonlinear spring element . Short-fiber bridging force is changed by the stiffness of the spring .

通过分析和比较，对车辆模型中各种自由度对车-桥系统动力分析的影响有了比较清楚的认识。

By analysis and comparison of the results , it has been clear that how each DOF of the vehicle model influence the dynamic analysis of the VBS .

分析表明，初始几何刚度对斜拉桥的几何非线性影响最为重要，当计入初始几何刚度矩阵影响，按活载线性影响线加载法所得结果与几何非线性方法结果基本相同。

The analysis show that initial stiffness has a dominant effect on geometrical nonlinearity , and the results of reckoning in and not reckoning in the geometrical nonlinear factors are same .

连续刚构桥梁因具有行车平顺、方便施工、顺桥向抗弯刚度大以及横桥向抗扭刚度等优点，而在大跨径桥梁建设中得到了越来越广泛的应用。

Because of continuous rigid frame bridge has the advantages of a driving comfort , convenience of construction , cis-bridge to the bending stiffness and cross-bridge to the torsional rigidity , and so on .