Study on Boundary Conditions of the Natural Vibrations for Self-Anchored Cable-Stayed Suspension Bridges

Hai Xin Huang; Ying Zhang; Shou Shan Cheng; Yan Hui Qie

doi:10.4028/www.scientific.net/AMM.419.872

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 419Study on Boundary Conditions of the Natural...

Study on Boundary Conditions of the Natural Vibrations for Self-Anchored Cable-Stayed Suspension Bridges

Abstract:

The study of the natural vibrations is the basis of risk evaluation. Based on numerical simulation technology, some influence factors such as different restriction means including the setup of vertical support or fixed connection between pylon and girder, and elastic constraint along longitude of girder, as well as whether setting the auxiliary piers, the location and the number of the auxiliary pier and the changes of the dead load are chosen in order to study in depth the effects on the first-order longitudinal frequency, first-order vertical-bending frequency, first-order transverse-bending frequency and the first-order torsional frequency of self-anchored cable-stayed suspension bridges. The results obtained here have an important guiding significance to optimize structure design and defend risk.

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Periodical:

Applied Mechanics and Materials (Volume 419)

Pages:

872-876

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.419.872

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Online since:

October 2013

Authors:

Hai Xin Huang, Ying Zhang, Shou Shan Cheng, Yan Hui Qie

Keywords:

Auxiliary Piers, Cable-Stayed Suspension Bridge, Constraint Means, Natural Vibrations

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References

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