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Author(s):	Kuhlmann, Ulrike; Ruopp, Jakob; Ozbolt, Ana
Title:
Abstract:	Dieser Beitrag befasst sich mit dem Tragverhalten von steifen Ankerplatten mit Kopfbolzen in stabförmigen Stahlbetonbauteilen insbesondere unter Schubbeanspruchung quer zum Bauteilrand, aber auch unter zentrischer Zugbeanspruchung. Für beide Belastungsrichtungen wurden Versuche mit Ankerplatten in Stahlbetonbauteilen mit einer Standardbügelbewehrung in gerissenem und ungerissenem Beton durchgeführt. Außerdem erfolgten zahlreiche numerische Simulationen mit dem FE-Programm MASA. Die FE-Modelle wurden an den Versuchsergebnissen verifiziert, so dass umfangreiche Parameterstudien durchgeführt werden konnten. Dadurch konnten weitere Effekte untersucht werden, die das Anwendungsfeld der Ankerplatten erweitern und die Entwicklung eines sicheren Bemessungsmodells unterstützen. Auf Grundlage der Ergebnisse aus Versuchen und FE-Simulationen wurde für Ankerplatten mit Kopfbolzen in stabförmigen Stahlbetonbauteilen ein Komponentenmodell zur Berechnung der Traglast dieser Ankerplatten unter Schub sowie zentrischem Zug entwickelt, das die im Bauteil vorhandene Bewehrung berücksichtigt und das Tragverhalten der Ankerplatte realistisch wiedergibt. Improvement of the load carrying capacity of anchor plates with welded headed studs in narrow reinforced concrete members. This contribution deals with the structural behavior of stiff anchor plates with welded headed studs in narrow reinforced concrete members under shear loading perpendicular to the edge as well as pure tension loading. For both directions of loading tests were carried out with anchor plates in concrete structures with a standard stirrup reinforcement in cracked and non-cracked concrete. Furthermore numerous numerical simulations using the finite element program MASA have been done. The FE models were verified by the experimental results and extensive parameter studies were carried out. Further effects were examined which extend the application field of the anchor plates and support the development of a reliable design model. Based on these experimental and numerical results a component model for the calculation of the load capacity of anchor plates with headed studs in narrow reinforced concrete structures under shear loads and tension loads has been developed. The model takes into account the reinforcement in the concrete member and predicts the resistance of the anchor plate in a realistic way.
Source:	Stahlbau 83 (2014), No. 10
Page/s:	731-740
Language of Publication:	German

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