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Author(s):	Lachinger, Stefan; Bergmeister, Konrad
Title:	Randnahe Mehrfachbefestigungen unter kombinierter Belastung - Experimentelle und theoretische Untersuchungen
Abstract:	Befestigungen an Betontragwerken finden sich in der Baupraxis oftmals in der Nähe freier Ränder. Aufgrund von hohen Lasten und konservativen Annahmen im Bemessungsverfahren zeigen sich derartige Befestigungen oftmals problematisch in der Bemessung. Die vorliegende Arbeit beschäftigt sich mit randnahen Mehrfachbefestigungen unter kombinierter Zug- und Querbeanspruchung mit besonderer Berücksichtigung von Montagetoleranzen. Basierend auf experimentellen Untersuchungen wird das Bruchverhalten analysiert und ein Vorschlag für eine Erweiterung des derzeitigen Bemessungskonzepts aufgezeigt, welche eine höhere Auslastung der Befestigung bei Einhaltung der geforderten Sicherheit ermöglicht. Close to the edge anchorages under inclined loading Fixtures in concrete structures are often situated close to free edges of the concrete. Analytical proof of this fastenings can be problematic because of high loads and conservative assumptions within the design concept. The work presented in this paper deals with close to the edge fastenings unter inclined loading with consideration of installation tolerances. Based on experiments the fracture behaviour is analysed and a possible enhancement to the current design concept, derived from the experimental observed behaviour, is introduced. This enhancement can allow for a higher utilization of the fixture while keeping the required safety level.
Source:	Beton- und Stahlbetonbau 109 (2014), No. 5
Page/s:	334-343
Language of Publication:	German

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