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Flutter and galloping of cable-supported bridges with porous wind barriers (CROSBI ID 244017)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Buljac, Andrija ; Kozmar, Hrvoje ; Pospíšil, Stanislav ; Macháček, Michael Flutter and galloping of cable-supported bridges with porous wind barriers // Journal of wind engineering and industrial aerodynamics, 171 (2017), 304-318. doi: 10.1016/j.jweia.2017.10.012

Podaci o odgovornosti

Buljac, Andrija ; Kozmar, Hrvoje ; Pospíšil, Stanislav ; Macháček, Michael

engleski

Flutter and galloping of cable-supported bridges with porous wind barriers

Wind-tunnel experiments are carried out to analyze the influence of wind-barrier porosity and height on aerodynamic and aeroelastic characteristics of wide long-span cable- supported bridges. The experiments are carried out on sectional models of the Golden Gate Bridge (USA), Kao-Pin Hsi Bridge (Taiwan), and Great Belt Bridge (Denmark). The bridge-deck section models are equipped with the wind- barrier models at the windward (leading) edge of the studied sections. The experimental results indicate that the effects of wind barriers on galloping sensitivity of studied bridge decks are rather negligible, while bridge decks become quite prone to flutter for wind barriers placed at their windward edge. These trends are more exhibited for more-solid wind barriers. The effects of increasing wind- barrier height are not unambiguous, as they are simultaneously influenced by the aerodynamic shape of bridge decks as well.

Cable-supported bridges ; Porous wind barriers ; Aerodynamic forces and moments ; Flutter ; Galloping ; Wind-tunnel experiments

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Podaci o izdanju

171

2017.

304-318

objavljeno

0167-6105

10.1016/j.jweia.2017.10.012

Povezanost rada

Matematika, Fizika, Strojarstvo

Poveznice
Indeksiranost