Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/3967
Title: | Geometrical nonlinearities on the static analysis of highly flexible steel cable-stayed bridges | Authors: | Freire, A. M. S. Negrão, J. H. O. Lopes, A. V. |
Keywords: | Cable-stayed bridges; Nonlinear analysis; Large displacements; Beam-column; Cable sagging | Issue Date: | 2006 | Citation: | Computers & Structures. 84:31-32 (2006) 2128-2140 | Abstract: | An evaluation of the importance of geometrically nonlinear effects on the structural static analysis of steel cable-stayed bridges is presented. A finite element model is analyzed using linear, pseudo-linear and nonlinear methods. The pseudo-linear approach is based on the modified elastic modulus. The nonlinear analysis involves cable sag, large displacement and beam-column effects. The results confirm that both cable sag and large displacement originate the most important nonlinear effects in those structures. Beam-column effects are irrelevant for service loads. Both the pseudo-linear approach and the modified modulus element prove to be very limited or even inappropriate. | URI: | https://hdl.handle.net/10316/3967 | DOI: | 10.1016/j.compstruc.2006.08.047 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Civil - Artigos em Revistas Internacionais |
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file8b3cdb6899034b8c9d60811c1797edea.pdf | 1.14 MB | Adobe PDF | View/Open |
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