Lifetime-oriented modelling of vortex-induced across-wind vibrations on bridge tie rods

Galffy, Mozes; Wellmann Jelic, Andres; Hartmann, Dietrich

The influence of vortex-induces vibrations on vertical tie rods has been proved as a determinant load factor in the lifetime-oriented dimensioning of arched steel bridges. Particularly, the welded connection plates between the suspenders and the arches often exhibit cracks induced primarily rods. In this context, the synchronization of the vortex-shedding to the rod motion in a critical wind velocity range, the so-called lock-in effect, is of essential interest.

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Galffy, Mozes / Wellmann Jelic, Andres / Hartmann, Dietrich: Lifetime-oriented modelling of vortex-induced across-wind vibrations on bridge tie rods. 2004.

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