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From the view of the construction engineer, some new knowledge of wind-induced vibrations in structures is imparted, where mention is made of the forced vibrations and the self-excited vibrations. The forced vibrations (periodic excitation by whirlwind or windward sided interference bodies as well as the aperiodic excitation by squally wind) are illustrated in the light of the results of own studies with mock ups and on actual structures. Finally, the modern methods of deter mining the inherent values for the structure (natural vibration and self damping) of original stuctures and measures to…mehr

Produktbeschreibung
From the view of the construction engineer, some new knowledge of wind-induced vibrations in structures is imparted, where mention is made of the forced vibrations and the self-excited vibrations. The forced vibrations (periodic excitation by whirlwind or windward sided interference bodies as well as the aperiodic excitation by squally wind) are illustrated in the light of the results of own studies with mock ups and on actual structures. Finally, the modern methods of deter mining the inherent values for the structure (natural vibration and self damping) of original stuctures and measures to reduce the wind-induced vibration in structures are discussed. Resume L'expose donne quelques notions nouvelles sur les vibrations des batiments engendrees par Ie vent, sous Ie point de vue de l'ingenieur du genie civil, en distinguant entre les vibrations forcees et les vibrations au to-exci tees. Les vibrations forcees (avec excitation periodique par des tourbillons ou des corps perturbateurs tournes du cote du vent ainsi que l'excitation non periodique due aux rafales de vent) font l'objet d'explications detaillees, a l'aide des resultats de recherches faites par l'auteur sur des maquettes et des ouvrages originaux. Pour terminer, l'article mentionne des methodes modernes de determination des valeurs intrinseques de la structure (frequence propre et amortissement) d'ouvrages originaux et les mesures a prendre pour reduire les vibrations des batiments engen drees par Ie vent. Diskussion Herr Quick: Sie sprachen von einer reprasentativen Windgeschwindig keit bei der Anregung von Bauwerken.
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