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aerodynamic interference 1

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Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 292-298 doi: 10.1007/s11709-009-0048-8

Abstract: The distances between the twin decks and wind attack angles were changed during the wind tunnel testto study the effects on aerodynamic interferences of aerostatic coefficients of twin decks.The lift and torque coefficients of windward and leeward decks are also affected slightly by the aerodynamicinterference of twin decks.And the aerodynamic interference effects on lift and torque coefficients of twin decks can be neglected

Keywords： twin decks aerodynamic interference effects aerostatic coefficients wind tunnel test

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Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent cable-stayed bridges

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4, Pages 510-517 doi: 10.1007/s11709-011-0129-3

Abstract: By examining the two neighboring Haihe Bridges with semi- and full-closed bridge decks, the aerodynamicinterference between the two decks on the vortex-induced vibration (VIV) and the corresponding aerodynamicinterference and that the extent of the influence varies with the shapes of the windward and leeward deckseffective combined measure of adding wind barriers and sharpening the wind fairing noses of the two box decks

Keywords： separated parallel decks vortex-induced vibration aerodynamic interference aerodynamic mitigation measure

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Real-Time Detection of Cracks on Concrete Bridge Decks Using Deep Learning in the Frequency Domain Article

Qianyun Zhang,Kaveh Barri,Saeed K. Babanajad,Amir H. Alavi

Engineering 2021, Volume 7, Issue 12, Pages 1786-1796 doi: 10.1016/j.eng.2020.07.026

Abstract:

This paper presents a vision-based crack detection approach for concrete bridge decks using an integrated1D-CNN-LSTM algorithm is trained using thousands of images of cracked and non-cracked concrete bridge decks

Keywords： Crack detection Concrete bridge deck Deep learning Real-time

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A Simplified Nonlinear Model of Vertical Vortex-Induced Force on Box Decks for Predicting Stable Amplitudes

Le-Dong Zhu, Xiao-Liang Meng, Lin-Qing Du, Ming-Chang Ding

Engineering 2017, Volume 3, Issue 6, Pages 854-862 doi: 10.1016/j.eng.2017.06.001

Abstract: to investigate the nonlinear behaviors of vertical vortex-induced forces (VIFs) on three typical box decksOn these bases, a universal simplified nonlinear mathematical model of the vertical VIF on box decks

Keywords： Box deck of bridge Vertical vortex-induced vibration Vertical vortex-induced force Simplified nonlinear model Wind-tunnel test Large-scale sectional model Synchronous measurement of force and vibration