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Torre Agbar tower in Barcelona, Spain
Crane-Independent, Safe and Fast
PERI ACS for the Core and Facade
With 35 floors and 4 basements, this impressive office tower reaches a height of 142 metres. For the egg-shaped core and facade walls, up to four different curved radii, changing wall thicknesses and more than 4,400 window openings – seemingly randomly cut but yet carefully positioned – had to be taken into consideration.
Core
Corresponding to the construction progress and geometry of the structure, ACS-R, ACS-G and ACS-P systems were used with the ACS brackets being set radially. Through a frame construction on the ACS-R working platforms, the formwork could be moved backwards and forwards on separate carriages, thereby allowing it to be easily stripped or shuttered.
Facade
PERI VARIO girder wall formwork was adjusted to the different radii through spindles and to the changing wall thicknesses in 10 cm increments. The ACS-R self-climbing system was used to climb from the ground slab up to the 25th floor. From this level upwards, a steel and glass construction was used to complete the dome of the building. Here, the self-climbing system was adapted to the building''s tapered contour by cutting the cantilever lengths.
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| PERI Systems In Use |
ACS G Self Climbing System
ACS P Self Climbing System
ACS R Self Climbing System
VARIO GT 24 Girder Wall Formwork
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Luis Danoz
Project Manager
“I''ve been really impressed by the safety and the speed of the PERI system. In spite of the complicated design of the building, we managed to complete each floor in a regular 5-day cycle. I don''t believe there is another system around, which provides the same high performance.”
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PERI Handbook 2005 Formwork
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