Research on Dynamic Characteristics for Large Span Cable-Stayed Suspension Bridges with CFRP Cables

Rong Gui Liu; Guo Ying Feng; Bei Chen

doi:10.4028/www.scientific.net/AMR.683.845

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 683Research on Dynamic Characteristics for Large Span...

Research on Dynamic Characteristics for Large Span Cable-Stayed Suspension Bridges with CFRP Cables

Abstract:

Cable-stayed suspension bridge with Carbon Fibre Reinforced Plastics(CFRP) cables is a new type of bridge structure. To study the dynamic characteristics for this kind of bridges, and its differences from cable-stayed bridges of the same span level, finite element dynamic modle of a Cable-stayed suspension bridge with main span of 1488 meters is established and a series of calculations is done. The results show that, natural frequencies of cable-stayed suspension bridges with CFRP cables are relatively small, integral frequencies are stepped and discontinuous; Its modes are centralized and the natural vibration modes show a lot of coupling; The natural frequencies of this kind of bridges are smaller than cable-stayed bridges of the same span level, the entire stiffness decreased.

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Periodical:

Advanced Materials Research (Volume 683)

Pages:

845-850

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.683.845

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Online since:

April 2013

Authors:

Rong Gui Liu, Guo Ying Feng, Bei Chen

Keywords:

Cable-Stayed Suspension Bridge, Carbon Fiber Reinforced Polymer/Plastic (CFRP), Dynamic Characteristic, Finite Element Analysis (FEA)

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