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Seismic Study of a Cable-Stayed Bridge

by K. C. Yiak, (S.M.ASCE), Memphis State Univ, Memphis, United States,
S. Pezeshk, (A.M.ASCE), Memphis State Univ, Memphis, United States,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

The focus of this paper is to investigate the non-linear and linear behavior of a cable-stayed bridge in a seismic environment. Three design features of a cable-stayed bridge are studied: 1) The nonlinear performance under an earthquake. 2) The effect of having a rigid connection between the bridge deck and pylon under an earthquake. 3) The effect of bridge super elevation change in the earthquake response. MSC/Nastran finite element analysis program is used to develop the finite element models of a cable-stayed bridge. The response of the structure is examined by comparing mode shapes, displacements, and element forces in a seismic environment. Results of this study may contribute to the future design and analysis of cable-stayed bridges.

Subject Headings: Cable stayed bridges | Cables | Finite element method | Bridge design | Structural behavior | Seismic tests | Earthquakes

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