TY - JOUR AB - ECCS news / News News – will receive an end buffer, for safety Danube City Tower: Semi-active reasons. dampers respond to various load cases The technical core element is hidden underneath the pendulum mass. Two The Danube City Tower 1 protrudes semi-actively controlled hydraulic dam- 220 m into the air. Winds let the tower pers connect the swinging mass with the vibrate constantly, moreover in the structure and adapt their reaction to the Vienna region storms or even earthqua- three load cases “normal wind”, “storm”, kes have to be considered. A 300 ton mass pendulum balances the vibrations. and “earthquake”. Base of this unique The special: unique semi-active dampers control are dampers with a magneto- continuously adapt to the occurring rheological fluid. Its viscosity can be va- load cases and respond with an adapted ried by way of varying the magnitude of force. This control system brings about a magnetic field. By way of coils and an unique performance. electric impulse, thus the response force of the damper can be steplessly varied The Danube City was designed by the from 3 to 110 kN, and this in real time French architect Dominique Perrault of 50 to 100 msec. who now TI - Danube City Tower: Semi‐active dampers respond to various load cases JF - Steel Construction: Design and Research DO - 10.1002/stco.201590030 DA - 2015-09-01 UR - https://www.deepdyve.com/lp/wiley/danube-city-tower-semi-active-dampers-respond-to-various-load-cases-jC4cMbH9Ib SP - 219 EP - 220 VL - 8 IS - 3 DP - DeepDyve ER -