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Title:	Ein aktueller Schadensfall durch Terrassenbruch und seine Lehren
Abstract:	Bei der Montage eines schweren stählernen Fachwerkträgers von 78 m Länge auf einer festen Rüstung wurden im Bereich zahlreicher Knotenpunkte Terrassenbrüche von bis zu 600 mm Länge bemerkt. Diese bereits beim Schweißen in der Werkstatt aufgetretenen Brüche führten zum Verlust der Tragfähigkeit des Trägers. Im Beitrag wird auf die Ursachen der Terrassenbrüche und auf die Sanierung eingegangen. Insbesondere erscheinen Schlussfolgerungen für die Normung unumgänglich, um eine Wiederholung derartiger Schäden zu vermeiden. A current case of damage by lamellar tearing and its teachings. During the assembling process of a heavy steel truss girder of 78 m length on a scaffold, at numerous nodal points lamellar fractures up to 600 mm extension were detected. These fractures, appeared due to welding in the workshop, lead to the loss of load bearing capacity. The paper deals with the reasons of lamellar fractures and with the rehabilitation of the girder. In particular, conclusions regarding the standardization appear unavoidable to prevent the recurrence of such damages.
Source:	Stahlbau 78 (2009), No. 11
Page/s:	873-877
Language of Publication:	German

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