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Abstract:	Die Hochstraße Barkauer Kreuz wurde 1970/71 als Spannbetonbrücke mit einstegigem Plattenbalkenquerschnitt errichtet. Die Brücke weist sieben Felder mit Stützweiten bis zu 33,15 m und im Grundriss eine starke Krümmung auf. Die Nachrechnung der Brücke in den Stufen 1 und 2 gemäß der Nachrechnungsrichtlinie [1] zeigte, dass nahezu alle Nachweise geführt werden konnten. Lediglich an den Achsen B, C und D zeigten sich Defizite. Daher wurde hier eine Nachrechnung nach Stufe 4 auf der Grundlage einer Finite-Element-Berechnung durchgeführt und der Nachweis für Brückenklasse 60 erbracht. Zur Sicherstellung der langfristigen Nutzung wurden Sanierungsarbeiten erforderlich. Bridge across the Barkauer Crossing in Kiel - Recalculation and rehabilitation of a demanding prestressed concrete bridge The bridge across the Barkauer crossing was built in 19970/71 as a prestressed concrete bridge with a wide T-beam cross section. The bridge has seven spans with span widths up to 33.15m and it is extremely curved in the ground section. The recalculation of the bridge on the levels 1 and 2 according to the German recalculation regulations [1] showed good results for most of the parts of the bridge. Deficits were found only in the axes B,C and D. Therefore a recalculation on level 4 was done, based on a FE-calculation and the proof for bridge class 60 was obtained. For a safe long time use a rehabilitation was necessary.
Source:	Bautechnik 93 (2016), No. 2
Page/s:	105-113
Language of Publication:	German

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