Analytic Method of Stability of Rigid Frame Bridge with Double-Limb Thin-Walled Piers

Xiu Lan Wang; Wen Qiang Chen

doi:10.4028/www.scientific.net/AMM.501-504.1136

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 501-504Analytic Method of Stability of Rigid Frame Bridge...

Analytic Method of Stability of Rigid Frame Bridge with Double-Limb Thin-Walled Piers

Abstract:

Based on the stability theory of column ,this paper did research on the solving methods of buckling eigenvalue when the rigid frame bridge was subjected to dead load . When solving the critical failure force, you could consider the height of piers as the effective height, consider the sum of the loads of upper structure and half of the weight of the piers as the equivalent buckling loads. Finite element model was created for verifying the solving method introduced in this paper. The results shows that in the maximum cantilever phase , the calculation error of buckling eigenvalue was decreased as the height of piers was increased ; the method in this paper was more accurate on the completed bridge stage . When the height of two piers was different, you can calculate each piers buckling eigenvalue, the buckling eigenvalue of the whole bridge was the average of every pier.

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Periodical:

Applied Mechanics and Materials (Volumes 501-504)

Pages:

1136-1139

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.1136

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Online since:

January 2014

Authors:

Xiu Lan Wang, Wen Qiang Chen

Keywords:

Double-Limb Thin-Walled Piers, Rigid Frame Bridge, Stability

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References

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