Investigation on nonlinear flutter modes competition of a long-span suspension bridge based on full-bridge aeroelastic model tests

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成果类型：

期刊论文

作者：

Song, Jun;Li, Kai;Han, Yan;Wang, Xiangjun;Li, Chunguang

通讯作者：

Li, K

作者机构：

[Li, Kai; Song, Jun; Wang, Xiangjun; Li, Chunguang; Han, Yan] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Peoples R China.

[Li, Kai; Han, Yan] Changsha Univ Sci & Technol, Elite Engn Sch, Changsha 410114, Peoples R China.

[Li, Kai] Changsha Univ Sci & Technol, State Key Lab Disaster Prevent & Reduct Power Grid, Changsha 410114, Peoples R China.

通讯机构：

[Li, K ] C

Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Peoples R China.

Changsha Univ Sci & Technol, Elite Engn Sch, Changsha 410114, Peoples R China.

Changsha Univ Sci & Technol, State Key Lab Disaster Prevent & Reduct Power Grid, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Suspension bridge;Full-bridge aeroelastic model;Wind tunnel test;Nonlinear flutter;Flutter modes competition

期刊：

Engineering Structures

ISSN：

0141-0296

年：

2025

卷：

322

页码：

119073

DOI：

10.1016/j.engstruct.2024.119073

基金类别：

CRediT authorship contribution statement Jun Song: Investigation, Methodology, Software, Writing – original draft, Validation. Kai Li: Conceptualization, Methodology, Supervision, Investigation, acquisition, Writing – review & editing. Yan Han: Conceptualization, Investigation, Validation, Resources, Supervision, acquisition. Xiangjun Wang: Resources, Writing – review & editing. Chunguang Li: Resources, Writing – review & editing.

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

Nonlinear flutter has attracted wide attention due to the bottleneck caused by linear flutter theory on flutter-resistant design of super-long-span bridges. The longer the span, the more closely spaced the natural modes, which may cause competition among flutter-modes in a nonlinear flutter, but it is rarely reported so far. To this end, this study experimentally investigates the 3D nonlinear flutter characteristics of a long-span suspension bridge with closely spaced natural modes based on full-bridge aeroelastic model wind tunnel tests. Since...

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Investigation on nonlinear flutter modes competition of a long-span suspension bridge based on full-bridge aeroelastic model tests

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