Recommendations on imperfections in the design of plated structural elements of bridges |
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Affiliation: | 1. Tecnalia, c/Geldo, Parque Tecnológico de Bizkaia, Edificio 700, 48160 Derio, Spain;2. Dept. of Engineering in Mining, Metallurgy and Science of Materials (UPV/EHU), c/Alameda Urquijo, s/n, 48013 Bilbao, Spain;3. IDEAM, S.A. c/Velázquez, 41-1ª, 28001 Madrid, Spain;4. Dept. of Civil Engineering, EPS University of Burgos, c/Villadiego, s/n, 09001 Burgos, Spain;1. Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France;2. APHM, CHU Timone, Service de Neurooncologie, Marseille, France;3. APHM, Timone Hospital, Department of Anatomopathology, 13005 Marseille, France;4. Centre de Recherche en Cancérologie de Marseille, INSERM UMR1068, Institut Paoli-Calmettes, Predictive Oncology Team, France;5. APHM, Hôpital de la Conception, Service de Biologie Moléculaire, 13005 Marseille, France;6. APHM, Timone Hospital, Department of Neuro-Surgery, 13005 Marseille, France;7. APHM, North Hospital, Transfert Laboratory, 13015 Marseille, France |
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Abstract: | High-yield strength steel-plated structures represent competitive solutions when used in steel and steel–concrete composite bridges. Nevertheless, further modifications may still be introduced at the design stage in the case of slender sections, in order to minimize the number of their stiffeners and thereby economize on manufacturing costs. Eurocode 3 “Design of steel structures” specifies design methodologies for slender plates subjected to compression and for stiffeners. Moreover, the use of Finite Element Method (FEM) software is fast becoming an alternative analytical method for the design of complete structures or structural elements, as it offers a more realistic approach. This paper makes recommendations for FEM assessments of plated sections in bridges that take the initial imperfections, geometric imperfections and residual stresses of the sections into account, in order to arrive at realistic results. |
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