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Nonlinear Parametric Vibration Characteristics of Stay Cable Due to Strong Bridge Deck Vibration

 Nonlinear Parametric Vibration Characteristics of Stay Cable Due to Strong Bridge Deck Vibration
Autor(en): ,
Beitrag für IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, veröffentlicht in , S. 196-203
DOI: 10.2749/222137816819258410
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The vibration of deck may result in parametric vibration of stay cable in cable-stayed bridge system. Aiming at investigating the nonlinear parametric vibration characteristics of long stay cable, ...
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Autor(en):

Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016
Veröffentlicht in:
Seite(n): 196-203 Anzahl der Seiten (im PDF): 8
Seite(n): 196-203
Anzahl der Seiten (im PDF): 8
Jahr: 2016
DOI: 10.2749/222137816819258410
Abstrakt:

The vibration of deck may result in parametric vibration of stay cable in cable-stayed bridge system. Aiming at investigating the nonlinear parametric vibration characteristics of long stay cable, a mathematical model is setup in which the cable is considered as a geometric nonlinearity string element The spatial problem is solved by using Galerkin’s method to simplify the governing equations to a set of ordinary differential equations and only the first mode of the cable is considered. Then the multiple time scales method is applied to derive the first-order solutions with numerically computed amplitude-frequency. The results show good agreement between the analytical and numerical solutions.

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