Semi-continuous beam-to column joints at the Millennium Tower in Vienna, Austria

The Millennium Tower is situated to the north of the center of Vienna. With a height of 202 mrnit is the highest building in Austria. Realization was improved by new methods. The tower is a typicalrnexample of mixed building technology, combining composite frames with a concrete core. Specialrnattention has been paid to the moment connections between the slim floors and the column tubes resultingrnin a drastically reduced construction time and thin slabs. The semi-continuity has been considered in therndesign at ultimate and serviceability limit states.