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Multimode-based evaluation of cable tension force in cable-supported bridges
For the purpose of developing a precise parameter identification procedure for bridge cables using measured multiple-mode parameters, a systematic investigation on the modal properties of cables is first carried out by using a 3D finite element formulation taking into account the cable flexural rigidity, sag-extensibility, and non-constant dynamic tension force. The dimensionless frequencies were evaluated for free vibration of cables with their parameters lying in a wide range covering most of the cables in existing cable-supported bridges. The relation surfaces between the dimensionless frequencies and structural parameters are obtained for both lower and higher modes.
Multimode-based evaluation of cable tension force in cable-supported bridges
For the purpose of developing a precise parameter identification procedure for bridge cables using measured multiple-mode parameters, a systematic investigation on the modal properties of cables is first carried out by using a 3D finite element formulation taking into account the cable flexural rigidity, sag-extensibility, and non-constant dynamic tension force. The dimensionless frequencies were evaluated for free vibration of cables with their parameters lying in a wide range covering most of the cables in existing cable-supported bridges. The relation surfaces between the dimensionless frequencies and structural parameters are obtained for both lower and higher modes.
Multimode-based evaluation of cable tension force in cable-supported bridges
Zheng, Gang (Autor:in) / Ko, Jan Ming (Autor:in) / Ni, Yi-Qing (Autor:in)
Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways ; 2001 ; Newport Beach,CA,United States
Proc. SPIE ; 4330
30.07.2001
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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