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Author(s):	Knobloch, Markus; Pauli, Jacqueline; Somaini, Diego; Frangi, Andrea
Title:	Cross-sectional capacity and flexural buckling resistance under fire conditions - An experimental study
Abstract:	This paper presents an experimental study on the cross-sectional capacity and flexural buckling resistance under fire conditions. Steady state stub and slender column tests were carried out at ambient and elevated temperatures on square and rectangular hollow sections as well as H-sections. In addition, transient state slender column tests were performed on H-section test specimens. The compressive load was applied centrically or eccentrically to the test specimens. The paper presents the testing programme, the geometry of the test specimens including initial geometrical imperfection measurements, elevated temperature material properties, test setup, the execution and the results of the stub and slender column tests. Querschnitts- und Knickwiderstand im Brandfall - Experimentelle Untersuchungen. Der Beitrag analysiert mit Hilfe experimenteller Methoden den Querschnitts- und Knickwiderstand im Brandfall. Die stationären Versuche zum Widerstand gedrungener und schlanker Stützen unter Druck- sowie kombinierter Druck- und Biegebeanspruchung bei Normaltemperatur und erhöhten Temperaturen wurden an Hohlprofilen sowie H-Querschnitten durchgeführt. Zusätzlich wurden schlanke Stützen unter transienten Versuchsbedingungen analysiert. Der Beitrag stellt das Versuchsprogramm, die Geometrie der Versuchskörper einschließlich geometrischer Imperfektionen, die Materialeigenschaften bei erhöhten Temperaturen, die Versuchseinrichtung sowie -durchführung und die Ergebnisse der Versuche zum Querschnitts- und Knickwiderstand dar.
Source:	Stahlbau 83 (2014), No. 9
Page/s:	657-667
Language of Publication:	German

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