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Multi‑factor analysis of buffeting response in cable‑stayed bridge with Π‑shaped main beam
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Rui DONG1, 2, 3, Linkai WANG1, Yu GUO1, Xiangying WENG4
Journal of Vibration Engineering | 2025, 38(10) : 2405 - 2415
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Journal of Vibration Engineering | 2025, 38(10): 2405-2415
Multi‑factor analysis of buffeting response in cable‑stayed bridge with Π‑shaped main beam
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Rui DONG1, 2, 3, Linkai WANG1, Yu GUO1, Xiangying WENG4
Affiliations
  • 1.College of Civil Engineering, Fuzhou University, Fuzhou 350108, China
  • 2.State Key Laboratory of Bridge Engineering Structural Dynamics, China Merchants Chongqing Communications Technology Research & Design Institute Co., Ltd., Chongqing 400067, China
  • 3.Fujian Civil Engineering & Architectural Society, Fuzhou 350001, China
  • 4.College of Civil Engineering, Fujian University of Technology, Fuzhou 350118, China
doi: 10.16385/j.cnki.issn.1004-4523.202307065
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In order to obtain the main influencing factors of buffeting response calculation of Π‑shaped main girder cable‑stayed bridge, taking Qingzhou Minjiang River Bridge as the engineering background, the buffeting response characteristics of main girder displacement were analyzed by using three‑dimensional multi‑modal coupling buffeting calculation method on the basis of wind tunnel test. The significance of nine factors in buffeting response was tested by uniform experimental design and regression analysis method. The results show that the aerodynamic admittance, fluctuating wind correlation coefficient, vertical wind spectrum, average wind profile index, surface roughness height and air density have significant influence on the buffeting response of cable‑stayed bridge in the common range of values. The influence of structural mass and damping ratio is not significant, and its value deviation can be ignored in buffeting calculation. The horizontal wind spectrum only has a significant effect on the lateral buffeting response.

cable‑stayed bridge  /  buffeting  /  Π‑shaped main beam  /  wind tunnel tests  /  uniform experimental design  /  regression analysis
Rui DONG, Linkai WANG, Yu GUO, Xiangying WENG. Multi‑factor analysis of buffeting response in cable‑stayed bridge with Π‑shaped main beam[J]. Journal of Vibration Engineering, 2025 , 38 (10) : 2405 -2415 . DOI: 10.16385/j.cnki.issn.1004-4523.202307065
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doi: 10.16385/j.cnki.issn.1004-4523.202307065
  • Receive Date：2023-07-24
  • Online Date：2026-02-04
Article Data
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History
  • Received：2023-07-24
  • Revised：2023-12-28
Funding
Affiliations
    1.College of Civil Engineering, Fuzhou University, Fuzhou 350108, China
    2.State Key Laboratory of Bridge Engineering Structural Dynamics, China Merchants Chongqing Communications Technology Research & Design Institute Co., Ltd., Chongqing 400067, China
    3.Fujian Civil Engineering & Architectural Society, Fuzhou 350001, China
    4.College of Civil Engineering, Fujian University of Technology, Fuzhou 350118, China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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