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Abstract:	Für die Ermittlung der erforderlichen Einspanntiefe von eingespannten Stahlquerschnitten in Betonkonstruktionen existieren verschiedene Bemessungsmodelle. Diese basieren vorwiegend auf Grundlage nationaler Normen wie z. B. DIN 18800 [1] und DIN 1045 [2], die durch die europäische Normung ersetzt wurden. Aus diesem Grund wird in diesem Aufsatz ein Berechnungsmodell für die erforderliche Einspanntiefe von eingespannten Stahlquerschnitten in Betonkonstruktionen auf Grundlage des Eurocodes vorgestellt. Das Grundgerüst für dieses Berechnungsmodell bildet das Verfahren nach Kindmann und Laumann, welches in [3] behandelt wurde. Gleichzeitig werden neue Formeln zur direkten Ermittlung der Mindesteinspanntiefe vorgestellt. Behandelt werden gewalzte I-Profile für einachsige Biegung um die starke Achse (y-y) mit Drucknormalkraft. Direct calculation of the required length of restraint for steel columns in concrete constructions. For the calculation of the load carrying capacity of steel columns in concrete foundations several calculation models exist. Until now, these calculation models are based on national standards (e. g. DIN 18800 [1]; DIN 1045 [2]), whereas these standards will be replaced by European standards in 2012. This paper shows a calculation model based on the Eurocode refining the methods of Kindmann and Laumann [3]. The minimum length of restraint can be calculated directly for rolled I-sections considering bending about the strong axis (y-y) with compression normal force.
Source:	Stahlbau 81 (2012), No. 11
Page/s:	850-860
Language of Publication:	German

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