Bridge translocation operations in Hamburg
In the course of a bridge modernisation process in Hamburg renovation work was necessary on two railway bridges in the area of the Müggenburg thoroughfare. On account of the cramped site conditions, the only solution was to preassemble the bridges on pontoons. Following completion of the work, the bridges, each weighing 320 tonnes, had to be raised approximately 3.5 m by means of a hydraulic gantry system and the pontoons floated onto the bridge abutments during high tide. Assembly and dismantlement of the constructions proceeded partly by means of a floating crane operating in conjunction with a truck-mounted crane.
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