Residential and Office Building - Brunnenstr. / Ramlerstr. - Berlin / Germany



Brunnenstr. / Ramlerstr., Berlin / Germany
Levelling of the spring elements with shims
Protection of spring elements against dirt
Brunnenstr. / Ramlerstr., Berlin / Germany
Project
Brunnenstr. / Ramlerstr., Berlin / Germany
Design load
51.550 kN
   
Building
Two 5-story residential buildings with shops
Arrangement of spring elements
Below the building
   
Structure
Reinforced concrete
Vibration control effect
85-90%
   
Noise and Vibration source
Underground line. Main frequency 20 - 25 Hz.
Vibration levels increased because of resonance in the air-raid shelter top deck
Completion
1986
   
Special problems
Foundation on (2) levels. Part of the foundation is sitting on top of an old air-raid shelter.
Developer
GAW, Berlin
   
Base isolation system
Fully-prestressable GERB spring units, Type GP + GPV
Vertical natural system frequency 4,0 Hz