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논문 기본 정보

자료유형
학술저널
저자정보
Sun, Yanguo (Research Centre for Wind Engineering, Southwest Jiaotong University) Li, Mingshui (Research Centre for Wind Engineering, Southwest Jiaotong University) Liao, Haili (Research Centre for Wind Engineering, Southwest Jiaotong University)
저널정보
테크노프레스 Wind & structures Wind & structures 제17권 제6호
발행연도
2013.1
수록면
565 - 587 (23page)

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초록· 키워드

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Obvious vortex induced vibration (VIV) was observed during section model wind tunnel tests for a single main cable suspension bridge. An optimized section configuration was found for mitigating excessive amplitude of vibration which is much larger than the one prescribed by Chinese code. In order to verify the maximum amplitude of VIV for optimized girder, a full bridge aeroelastic model wind tunnel test was carried out. The differences between section and full aeroelastic model testing results were discussed. The maximum amplitude derived from section model tests was first interpreted into prototype with a linear VIV approach by considering partial or imperfect correlation of vortex-induced aerodynamic force along span based on Scanlan's semi-empirical linear model. A good consistency between section model and full bridge model was found only by considering the correlation of vortex-induced force along span.

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