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|Título: ||Ultimate limit state design for lateral torsional buckling of partially encased steel beams|
|Autor: ||Piloto, P.A.G.|
Ramos Gavilán, A.B.
|Issue Date: ||2006|
|Citação: ||Piloto, P.A.G.; Mesquita, L.M.R.; Ramos Gavilán, A.B. (2006) - Ultimate limit state design for lateral torsional buckling of partially encased steel beams. In 5th International Congress in Mechanics and Materials in Design (M2D) – Structural and Materials Safety in Design Symposium. Porto.|
|Resumo: ||Partially encased beams are composed structural elements widely used for industrial and
commercial buildings with increasing significance. Composite beams may be designed for
service load conditions without the collaborative contribution of slabs. Instability problems
may occur because concrete may not have the age to resist and also because concrete may slip
over steel, crack or crush. Lateral torsional buckling is an instability limit state that may occur
in these situations.
This paper presents Ansys material and geometric non-linear finite element model for the
design of lateral torsional buckling resistance of partially encased steel beam without
encasement reinforcements at room temperature. The steel part of the composed section will
be modelled by shell, concrete by three dimensional solids and the bond contact with nonlinear
spring finite elements. Failure of concrete will also be predicted when the beam is
subjected to a constant bending moment.|
|Appears in Collections:||DMA - Artigos em Proceedings Não Indexados ao ISI/Scopus|
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