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Title:	Versuche zur Zug-Abscher-Interaktionstragwirkung von Schrauben
Abstract:	Seit Mitte des vergangenen Jahrhunderts sind Schrauben im Stahlbau als Verbindungsmittel etabliert. Für viele Anwender kam daher die Änderung der Interaktionsformel zur Bemessung von Schrauben unter kombinierter Zug-Abscher-Beanspruchung im neu eingeführten Eurocode 3 (DIN EN 1993-1-8) gegenüber der altbekannten DIN 18800-Formel sehr überraschend. Die bisher vertraute quadratische Interaktion wird im Eurocode durch eine deutlich konservativere, bi-lineare Funktion ersetzt. Auf der Suche nach einer Antwort auf die Frage, welche Funktion zur Beschreibung des Tragverhaltens von Schrauben unter kombinierter Belastung richtig ist, wurde am Fachgebiet Stahlbau der TU Darmstadt eine Reihe von Versuchen durchgeführt. Experimental study on the combined tension and shear load bearing behavior of bolts. Since the middle of last century bolts are an established part of connections in steel structures. Therefore for many design engineers the change in the design rule for bolts under combined tension and shear load in the newly introduced Eurocode 3 (EN 1993-1-8) towards the well-known DIN 18800 design rule came rather as a surprise. The hitherto quadratic interaction function is replaced by a by far more conservative, bi-linear function. Searching for the answer to the question, which function really describes the behavior of bolts under combined load, a number of tests were conducted at the Department of Steel Structures at the TU Darmstadt.
Source:	Stahlbau 83 (2014), No. 4
Page/s:	265-272
Language of Publication:	German

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