The Analysis and Experiment on Key Technologies of Structural Design of Cap Beams of Highway Bridges

Xing Wei Xue; Hong Yuan; Shan Qing Li

doi:10.4028/www.scientific.net/AMM.105-107.1235

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 105-107The Analysis and Experiment on Key Technologies of...

The Analysis and Experiment on Key Technologies of Structural Design of Cap Beams of Highway Bridges

Abstract:

In the paper, two key technologies of cap beams of highway bridges are studied, and the reductions of the bending moment on a pillar top and the lateral loading of live one are calculated and done experimental research. For the reduction problem of the bending moment on a pillar top, we build a three-dimensional entity model by ANSYS, and extract the bending moment of cap beams by the method of using track variable operation in post-treatment. Comparing the results of three-dimensional entity model with that of measurement of cap beams of a bridge in Zhuhai, it reveals that the reduction theory of the bending moment on an intermediate supporting of continuous beams can be applicable. For the lateral loading problem of the live load on cap beams, a new delivery method for the live load on cap beams is proposed. The transferring method is more conform to actual structure.

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Periodical:

Applied Mechanics and Materials (Volumes 105-107)

Pages:

1235-1240

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.105-107.1235

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Online since:

September 2011

Authors:

Xing Wei Xue, Hong Yuan, Shan Qing Li

Keywords:

Bending Moment, Cap Beam, Lateral Load, Reduction, Three-Dimensional Finite Element

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