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Analysis of rigidity in design for CFST dumbbell-rib arch bridges

Baochun Chen

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Abstract

There are some differences in the define of the rigidity of CFST component between the codes of countries it influence the calculation result of internal forces,deformations,stability and self-frequency of CFST dumbbell-rib arch bridge in design.Based on testing results of a real CFST dumbbell-rib arch bridge,the comparative analysis by using different rigidity defines of the CFST component was carried out in this paper.Some useful conclusions were deduced to be help for the design of this type bridges.

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What this paper is about

There are some differences in the define of the rigidity of CFST component between the codes of countries it influence the calculation result of internal forces,deformations,stability and self-frequency of CFST dumbbell-rib arch bridge in design.Based on testing results of a real CFST dumbbell-rib arch bridge,the comparative analysis by using different rigidity defines of the CFST component was carried out in this paper.Some useful conclusions were deduced to be help for the design of this type bridges.

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Available abstract

There are some differences in the define of the rigidity of CFST component between the codes of countries it influence the calculation result of internal forces,deformations,stability and self-frequency of CFST dumbbell-rib arch bridge in design.Based on testing results of a real CFST dumbbell-rib arch bridge,the comparative analysis by using different rigidity defines of the CFST component was carried out in this paper.Some useful conclusions were deduced to be help for the design of this type bridges.

Key concepts: Rigidity (electromagnetism), Dumbbell, Structural engineering, Arch, Arch bridge, Engineering, Structural rigidity, Geology

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