The results show that the stresses of chord members of partially concrete-filled steel truss bridge are decreased, while its integral stiffness is increased.
结果表明：在钢桁梁桥弦杆内填混凝土能降低杆件的应力水平，提高桥梁的整体刚度。
The continuous truss bridge has been more and more widely adopted in railway Bridges.
在铁路桥梁中，连续桁架桥得到了越来越广泛的采用。
As shown above, the left end of the truss bridge is pinned while the right end has a roller connection.
如上所示，桁架桥的左端为销轴连接，右端为滚子连接。
The conclusions obtained through numerical simulation have valuable reference to aseismic design of steel truss bridge.
通过数值模拟得出了几点结论，对于钢桁架桥梁的抗震设计有一定的参考价值。
With this method the remaining fatigue life and safety of old riveted truss bridge were calculated with Waibaidu bridge as an example.
以外白渡桥为例，详细介绍了一套综合传统疲劳分析和断裂力学的混合方法，并用以计算老钢桁梁桥剩余寿命。
Results of illustrative examples of a six-bay plane truss bridge model are given in order to demonstrate the effectiveness of the proposed procedure.
最后，用一六跨平面桁架桥模型进行数值模拟，验证文中所提方法的有效性。
Calculation example shows that fatigue check and computation of steel truss bridge becomes simpler and more convenient by employing approximate formula.
算例说明，应用近似计算式将使三线钢桁梁桥的疲劳检算变得简单、方便。
The result shows that: because of steel truss bridge's small torsional rigidity, bending-torsion coupling vibration of steel truss bridge exerts great influence on dynamic analysis.
计算表明：由于钢桁梁桥的抗扭刚度较小，曲线钢桁梁桥的弯扭耦合作用对动力分析有很大的影响。
Meanwhile, this paper mainly describes the modes under various working conditions as well as the relationship between carriage movement speed and perpendicular deflection of truss bridge.
主要分析了低架桥系统在不同工况下的模态，以及小车行走速度和低架桥垂直挠度之间的关系，并对低架桥系统进行了改进。
The mode response of a steel truss bridge was analyzed by ANSYS and its seismic responses under transverse and longitudinal excitation were calculated using time-history analysis function.
通过利用ANSYS对某钢桁架桥进行了模态分析，并用时程分析法进行了在横桥向和竖桥向激励下的地震响应分析，得到了在关键截面的位移和杆件内力响应峰值。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
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