抗风稳定性

为了满足抗风稳定性要求，现代大跨度斜拉桥、悬索桥也采用分体式钢箱梁，这种形式的钢箱梁是将梁做成桥轴线上下透风的形式。

The beam which was slotted at the bridge beam axis to satisfy the requirements of wind-resistant stability in the long-span suspension bridge and cable-stayed bridge is separate steel box girder .

悬索桥作为一种大跨径柔性结构，对风的作用十分敏感，抗风稳定性已经成为影响悬索桥设计施工的关键控制因素。

As a kind of long-span and flexible structure , suspension bridge is sensitive to the effect of wind . Wind-resistant stability has become the key control factor for design and construction of suspension bridge .

根据隔震LNG储罐优化设计参数，对滚动凹形复位板隔震装置进行了强度、刚度和抗风稳定性设计，以便工程设计人员参考。

According to the optimal design parameters of isolation LNG storage tank , the strength , stiffness and wind stability of the rolling isolator with a concave board with spring are analyzed for engineering designers .

大跨度组合吊桥的动态分析及抗风稳定性的计算

Dynamic Analysis and Storm Stability Calculation of Long-Span Combined Suspension Bridge

超大跨度斜拉桥施工全过程抗风稳定性研究

Study on Wind Stability of Super Long-Span Cable-Stayed Bridge under Construction

大跨度悬索桥施工猫道抗风稳定性分析

Analysis of wind - resistant stabilization of long-span suspension bridge

悬索桥加劲梁架设过程抗风稳定性分析

Analysis of Wind Resistant Stability during Erection of Stiffening Girders of Suspension Bridge

抗风稳定性往往成为决定大跨桥梁结构安全性的控制因素。

So , wind resistant stability is the controlling factor that determining the safety of long-span bridge structures .

单索面斜拉桥的抗风稳定性钢拉索结构抗风效果分析

Wind-Resistance Stability of Single-Plane Cable-Stayed Bridges Analysis on the Resisting Wind Property of Steel Pulling Cable System Structure

随着悬索桥跨径的不断增大，抗风稳定性成为控制桥梁设计与施工的最主要因素。

With the increase of span , aerodynamic stability becomes the most important factor in designing and constructing suspension bridges .

结果表明该桥无论是成桥状态还是施工状态均具有足够的抗风稳定性。

Calculation results presented here show that the bridge is of enough wind stability under both under-construction state and completion state .

如何提高抗风稳定性是大跨径斜拉桥设计中的关键问题。

How to keep stability against the wind is a key point in the design of long span cable stayed bridges .

施工阶段的抗风稳定性已成为控制大跨度悬索桥施工和设计至关重要的因素。

Therefore the wind stability of the bridge under construction becomes an important factor influencing the construction and design of suspension bridges .

算例分析表明，双薄壁墩T构在施工中具有很好的静力抗风稳定性。

By example analysis , the paper indicates that T-Frame Bridges with double slender piers have strong wind stability even if the pires are very high .

只有深入系统的研究斜拉桥在施工状态的抗风稳定性后，才能安全顺利的对斜拉桥进行施工。

In order to ensure the security of the construction process of cable-stayed bridge , further researches need to be done on the wind stability of cable-stayed bridge under construction .

试验结果表明：该桥具有较好的抗风稳定性。桥梁颤振临界风速随着结构体系的转换而变化，其抗风稳定性主要对结构频率比较敏感；该种桥式具有良好的抗风稳定性。

The experimental investigation demonstrates that the bridge has good stability of wind resistance . The results of calculation are compared with those of the wind tunnel experiments , and this kind of bridge has stronger stability of wind resistance .

但与双塔悬索桥相比，由于中间桥塔缺乏有效的纵向约束，结构刚度降低，对风作用的敏感性增强，因此，对其抗风稳定性问题进行研究具有重要的理论和工程现实意义。

However due to the lack of effective longitudinal restraint for the center tower , structural stiffness becomes lower than that of the two-tower suspension bridge , and therefore the three-tower suspension bridge becomes more susceptible to the wind action .

悬索桥施工猫道的非线性抗风静力稳定性分析混凝土斜拉桥的静力稳定性研究

Study on Nonlinear Wind Resisting Static Stability of Catwalk of Suspension Bridge Static Stability Analysis of Concrete Cable-stayed Bridge

并对抗震标准和抗风分析提出了一些看法，其中抗风稳定性在主梁节段模型颤振试验中得到了验证。

Some views about aseismic standard and anti wind analysis are put forword . Anti wind stability was proved in the flutter experiment of the main girder model .