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Flutter derivatives of the Kao-Pin Hsi cable- supported bridge (CROSBI ID 222035)

Prilog u časopisu | izvorni znanstveni rad

Buljac, Andrija ; Pospišil, Stanislav ; Kozmar, Hrvoje ; Kuznetsov, Sergey ; Kral, Radomil Flutter derivatives of the Kao-Pin Hsi cable- supported bridge // Applied Mechanics and Materials, 821 (2016), 172-179. doi: 10.4028/www.scientific.net/AMM.821.172

Podaci o odgovornosti

Buljac, Andrija ; Pospišil, Stanislav ; Kozmar, Hrvoje ; Kuznetsov, Sergey ; Kral, Radomil

engleski

Flutter derivatives of the Kao-Pin Hsi cable- supported bridge

Long-span cable-supported bridges, characterized with low natural frequencies and mechanical damping, are very sensitive to wind effects. Therefore, investigation of the aeroelastic behaviour of bridges is particularly important when designing these complex engineering structures. The focus is on evaluation of dimensionless aeroelastic coefficients, i.e. flutter derivatives, which are considered as indicators of the aeroelastic stability of bridges. A comprehensive experimental study on dynamic wind-induced behaviour of the Kao-Pin Hsi Bridge in Taiwan is carried out in the Climatic Wind Tunnel of the Centre of Excellence Telč (CET), Czech Republic. The bridge-deck section is tested at a multipurpose experimental setup originally developed in the CET. Flutter derivatives are obtained by the means of the free-vibration technique for the double-degree-of-freedom (DDOF) system. The results are compared to those of a thin flat plate with large width to height ratio, which previously proved to be stable with respect to the flutter phenomenon. While the torsional instability is observed for the Kao-Pin Hsi bridge-deck section, the flat plate proves to be aeroelastically stable.

bridge-deck section ; vibrations ; aeroelasticity ; flutter derivatives ; wind-tunnel experiments

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Podaci o izdanju

821

2016.

172-179

objavljeno

1660-9336

1662-7482

10.4028/www.scientific.net/AMM.821.172

Povezanost rada

Fizika, Građevinarstvo, Strojarstvo

Poveznice