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Flutter instability of long-span suspended bridges: a simplified critical wind speed evaluation in closed form

机译：大跨度悬索桥颤振不稳定性：封闭形式下的简化临界风速评估

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摘要

A simplified approach able to determine in closed-form the critical speed of the wind flow acting on long-span suspension bridges is presented. Both flutter (single d.o.f. or binary) and torsional divergence instabilities are investigated.

机译：提出了一种简化的方法，该方法能够以闭合形式确定作用于大跨度悬索桥的风的临界速度。研究了颤振（单d.o.f.或二进制）和扭转发散不稳定性。

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Maceri F; Vairo G;
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年度 2003
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正文语种 eng
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2. Numerical simulation of aerodynamic derivatives and critical wind speed for long-span bridges based on simplified steady wind field [J] . Dabo Xin Ph.D. Student 辛大波, Jinping Ou 欧进萍 Earthquake Engineering and Engineering Vibration . 2007,第2期

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3. A predictive critical flutter wind speed modeling for long-span bridges [J] . Lin Kun, Wei Minghai, Liu Hongjun, Advances in Structural Engineering . 2020,第9期

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5. Typhoon Wind Modeling and Flutter Fragility Analysis of Long-Span Bridges in Coastal Regions of China [D] . Fang, Genshen . 2019

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6. Theoretically optimal forms for very long-span bridges under gravity loading [O] . Helen E. Fairclough, Matthew Gilbert, Aleksey V. Pichugin, -1

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7. A Simplified Evaluation in Critical Frequency and Wind Speed to Bridge Deck Flutter [O] . Lee H.E., Vu T.V., Yoo S.Y., 2011

机译：桥面颤振的临界频率和风速的简化评估

Flutter instability of long-span suspended bridges: a simplified critical wind speed evaluation in closed form

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