Analysis of Thermal Effect on Girder with Side Main Rib Section

Niu Jing Ma

doi:10.4028/www.scientific.net/AMM.501-504.495

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 501-504Analysis of Thermal Effect on Girder with Side...

Analysis of Thermal Effect on Girder with Side Main Rib Section

Abstract:

According to the common girder with side main rib section of PC cable-stayed bridge with double cable planes, a computational model of two-dimension temperature field is presented. Temperature gradient of main rib, small longitudinal rib, top plate and flange plate was computed respectively, and then the stress and strain of each section are derived through plane cross-section assumption. For the cable-stayed bridge, member structure FEM is applied to compute node equivalent load and displacement, which resulted from both sunshine and seasonal thermal difference. Finally, a case study is analyzed, the results showed: computed and measured deflection of girder that result from thermal effect are very close, therefore, this method is feasible.

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Periodical:

Applied Mechanics and Materials (Volumes 501-504)

Pages:

495-500

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.495

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Online since:

January 2014

Authors:

Niu Jing Ma

Keywords:

Finite Element Method (FEM), Girder with Side Main Rib Section, Thermal Effect, Two-Dimension

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References

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