Mechanical Analysis on Anchorage Structure of Self-Anchored Suspension Bridge

Jia Xing Zhou; Qing Tian Su; Chong Wu; Guo Tao Yang

doi:10.4028/www.scientific.net/AMR.446-449.1277

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Mechanical Analysis on Anchorage Structure of...

Mechanical Analysis on Anchorage Structure of Self-Anchored Suspension Bridge

Abstract:

Main cables of self-anchored suspension bridge are anchored at each end of main girder, thus producing a self-balancing system. In order to transfer the cable force to main girder safely and smoothly, the anchorage region is one of the most critical issues in design of a self-anchored suspension bridge. It is hard to fully understand the mechanical behavior only by spatial beam and column model, so a 3D shell finite element model is established to overcome the limitation of spatial beam and column model. The mechanical behavior of initial designed anchorage structure is then analyzed and a modified anchorage fabrication is proposed to improve the stress distribution. Analysis results show that: the modified anchorage system effectively reduces the stress level of anchorage structure and enhances the efficiency of anchorage structure.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

1277-1282

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.1277

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Online since:

January 2012

Authors:

Jia Xing Zhou, Qing Tian Su, Chong Wu, Guo Tao Yang

Keywords:

Anchorage Zone, Finite Element Method (FEM), Self-Anchored, Steel Girder, Structure Optimization, Suspension Bridge

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References

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