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Advanced Continuum Model for Dynamic Analysis of Suspension Bridges
- Authors
- Gwon, Sun-Gil; Choi, Dong Ho
- Issue Date
- Nov-2015
- Publisher
- Korean Society of Steel Structures
- Keywords
- Suspension bridge; Continuum model; Dynamic analysis; Hanger extensibility; Girder continuity condition
- Citation
- Proceedings of the 8th international Symposium on Steel Structures, pp.411 - 412
- Indexed
- OTHER
- Journal Title
- Proceedings of the 8th international Symposium on Steel Structures
- Start Page
- 411
- End Page
- 412
- Abstract
- This paper proposes an advanced continuum model for dynamic analysis of suspension bridges with extensible hangers and various girder continuity conditions. The coupled differential equations for the vertical deflections of the main cable and girder are presented. The Galerkin’s method is used to obtain the equations of motion in the matrix form for various girder continuity conditions. To validate the model proposed in this study, free vibration analyses are performed with an example model. The natural frequencies and mode shapes obtained by the proposed model are compared with those from the finite element model.
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Related Researcher
- Choi, Dong Ho
- COLLEGE OF ENGINEERING (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)