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Title:	Conventional and advanced bending strength analysis of common and castellated, homogeneous and hybrid I-beams
Abstract:	An appropriate investigation has been performed in order to estimate the bending strength safety of steel I-beams typical in traditional and up-to-date computational analyses. The bending strengths of the conventional analysis have been set in general form for the beam parameters of the span/depth ratios usually observed. Mutual strength relationships between common and castellated, homogeneous and hybrid I-beams, reflect the anticipated regularities. Use of the advanced analysis, founded on the non-linear FEM approach, required the solution of adequate practical examples. In view of the research class, certain completion of the typical non-linear procedure was needed. Konventionelle und verschärfte Berechnung der Biegefestigkeit normaler und wabenförmiger, homogener und hybrider I-Träger . Um die Biegefestigkeit von stählernen I-Trägern abzuschätzen, typischer Bestandteil traditioneller und moderner Berechnungsverfahren, wurde eine entsprechende Untersuchung unternommen. Für die üblichen Bauteilparameter der Spannweite/Höhe-Verhältnisse wurden die Biegefestigkeiten der konventionellen Berechnung in der allgemeinen Form festgesetzt. Die ermittelten Traglastverhältnisse zwischen den normalen und wabenförmigen, homogenen und hybriden I-Trägern gaben die erwarteten Verhältnisse wieder. Die Anwendung der verschärften Berechnungsmethode, gestützt auf dem nichtlinearen Vorgehen der FEM, bedurfte der Lösung entsprechender praktischer Beispiele. Angesichts der Untersuchungsklasse war eine Ergänzung des typischen nichtlinearen Verfahrens nötig.
Source:	Stahlbau 81 (2012), No. 2
Page/s:	142-150
Language of Publication:	English

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