Multimode-based evaluation of cable tension force in cable-supported bridges

Gang Zheng; Jan Ming Ko; Yi-Qing Ni

doi:10.1117/12.434153

30 July 2001 Multimode-based evaluation of cable tension force in cable-supported bridges

Gang Zheng, Jan Ming Ko, Yi-Qing Ni

Proceedings Volume 4330, Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways; (2001) https://doi.org/10.1117/12.434153
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

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.

Citation Download Citation

Gang Zheng, Jan Ming Ko, and Yi-Qing Ni "Multimode-based evaluation of cable tension force in cable-supported bridges", Proc. SPIE 4330, Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways, (30 July 2001); https://doi.org/10.1117/12.434153

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