Analysis Dynamic Response of Pile-Soil-Water Coupling of Large Span Cable-Stayed Bridge in Multipoint Excitation

Xue Mei Li

doi:10.4028/www.scientific.net/AMM.556-562.984

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Analysis Dynamic Response of Pile-Soil-Water...

Analysis Dynamic Response of Pile-Soil-Water Coupling of Large Span Cable-Stayed Bridge in Multipoint Excitation

Abstract:

Computed Ruiz and Penzien power spectrum model of Sutong bridge site, used the multi-point excitation response analysis method to long span bridge, the additional mass method considering the fluid effect and equivalent viscoelastic boundary method considering the soil effect. As a result, for the pile - soil - water - structure model, the internal force of main tower of Sutong bridge response decreased tendency, the peak of tower internal force response had certain phase difference effect. In addition, different structure types of the bridge by the traveling wave effect the influence degree is different, some parts of the reaction may be increased ,the other may be reduced, so analyzing response of the long span cable-stayed bridge must be consider the traveling wave, the coherent and the local effect.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

984-987

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.984

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Online since:

May 2014

Authors:

Xue Mei Li*

Keywords:

Dynamic Response of Large Span Bridge, Multi Support Excitation Analysis Method, Penzien Model, Pile-Soil-Water Coupling, Ruiz Model

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