2) long-span cable-stayed bridge
大跨斜拉桥
1.
Buffeting-induced structural internal force analysis for long-span cable-stayed bridges based on entire-bridge model;
考虑全桥耦合的大跨斜拉桥抖振内力分析
2.
A long-span cable-stayed bridge across the Yangzi River subjected to the spatial seismic excitation was analyzed,during which course the effects of geometric nonlinear,traveling wave and multip.
认为非一致激励下大跨斜拉桥关键部位的某些响应量大幅增加,反应了进行非一致响应分析的必要性。
3.
Based on the summary of the various wind-induced vibrations, by taking a bay bridge as an example, the long-span cable-stayed bridge deck’s vertical buffeting responses are studied.
本文在总结了各种风致振动类型的基础上,以某海湾大跨斜拉桥工程为例,对大跨斜拉桥主梁的竖向抖振响应及其TMD减振设计方法进行了深入研究。
3) middle-span and small-span cable-stayed bridge
中、小跨径斜拉桥
4) long-span cable-stayed bridge
大跨度斜拉桥
1.
Problems of geometric non-linear related to long-span cable-stayed bridge;
大跨度斜拉桥中的几何非线性问题
2.
Verification of time-domain buffeting theory and analysis of influence factors for long-span cable-stayed bridges;
大跨度斜拉桥抖振时域分析理论实例验证及影响因素分析
3.
Seismic responses of long-span cable-stayed bridges under different patterns of earthquake excitations;
不同地震激励下大跨度斜拉桥的地震反应分析
5) super-long-span cable-stayed bridge
超大跨度斜拉桥
1.
In order to find out the appropriate lateral seismic constraint system for super-long-span cable-stayed bridges,the seismic responses of super-long-span cable-stayed bridges with three lateral connection systems between side piers and girder were investigated,taking the Sutong Yangtze River Highway Bridge as studying object,and using the nonlinear time-history analysis method.
为了确定超大跨度斜拉桥的合理横向抗震约束体系,以苏通长江公路大桥为研究对象,采用非线性时程分析方法,分析了3种边墩、梁横向约束体系即横向滑动体系、全限位体系和减隔震体系(流体黏滞阻尼器连接体系)对超大跨度斜拉桥地震反应的影响,重点研究了阻尼器的合理设置方式及阻尼器参数。
2.
Due to the accumulation of errors during the cantilevel construction of super-long-span cable-stayed bridges,response under dead load may be stochastic and it can not be reflected by the traditional method of deterministic structural analysis.
针对超大跨度斜拉桥由于悬臂施工过程中各种误差的累积可能使其恒载效应具有较强的随机特性,传统的确定性分析方法不能反映这一重要结构特性的问题,采用Monte Carlo法与有限元法相结合的随机模拟方法,将斜拉桥的梁段自重、张拉索力看成随机变量,进行主跨1 088 m的苏通大桥施工过程随机模拟,研究其恒载效应的频度、均值和标准差。
3.
In the paper,the mechanical characteristics of fluid viscous dampers are discussed firstly,and then the seismic response reduction of a super-long-span cable-stayed bridge by adding fluid viscous dampers is investigated.
基于流体粘滞阻尼器自身的力学特性,分析了附加流体粘滞阻尼器对超大跨度斜拉桥的减震效果,着重分析了阻尼器参数、输入地震动特性(加速度峰值和频谱特性)对减震效果的影响。
6) long-span cable-stayed bridges
大跨度斜拉桥
1.
The elastic-plastic hinge method for analysis of physical nonlinearity of long-span cable-stayed bridges is utilized including geometrical nonlinearity effects in this paper,and ultimate load capacity is also studied when considering several parameters.
通过以一座大跨度斜拉桥作为计算模型,研究各种结构参数对斜拉桥极限承载力的影响,其研究表明,初始内力对斜拉桥极限承载力影响较大;在自重荷载作用下,斜拉桥极限承载力与结构的失效路径有关;几何非线性效应对斜拉桥极限承载力影响不大,斜拉桥达到极限承载力主要由材料非线性引起。
2.
A procedure analyzing geometrical nonlinearity of long-span cable-stayed bridges is proposed considering geometric nonlinear effects based on structural nonlinear finite element equilibrium equation using U.
列式法的结构非线性有限元平衡方程,通过考虑几何非线性效应,建立大跨度斜拉桥几何非线性有限元分析流程。
补充资料：斜拉桥
| 斜拉桥 cable-stayed bridge 用锚在塔柱上的多根斜向钢缆索吊住主梁的桥。又称斜张桥。第二次世界大战后发展的桥型之一。由桥墩、桥台 、辅助墩、塔柱、缆索和主梁组成。主梁为缆索多点悬吊，跨越能力大，内力小，高度低，施工方便，可用钢结构、预应力混凝土结构建造。箱形钢梁与钢筋混凝土桥面板组成的结合梁做主梁，用钢材较少，可减轻重量，噪声小，多用于城市桥。也可做铁路桥、人行桥和管道桥。自1955年瑞典建成第一座跨径182.6米的钢斜拉桥（斯特伦松德桥）以来，发展非常迅速，跨径不断增大，技术不断进步。1993年中国上海建成的杨浦大桥跨径已达602米，居世界首位。
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参考词条