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Exhibition Centre, Bilbao, Spain
Slabs Concreted From Top Down
Special Solution for an Unusual Construction Method
With the realisation of the exhibition centre project in the Gran Bilbao business park area of Barakaldo, approx. 120,000 m² of exhibition space was created. The development aimed to provide the regional economy with a much-needed boost.
One of the most striking structures of the exhibition centre is the reception, congress and administration building. The 103 m high tower is the highest building in the Vizcaya region.
At the request of the responsible engineering office, an unusual method was used to construct the tower:
At a height of 98 m, a hat shaped reinforced concrete construction was poured to the elevator core which had been previously erected using ACS self-climbing technology. The hat comprises of crossing pre-stressed beams with a height of 4.48 m which cantilever from the core approx. 8 metres. This section was formed with TRIO formwork on a specially designed falsework and was anchored to the core. After completion of the hat, construction of the 9-floor office tract took place.
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| PERI Systems In Use |
MULTIFLEX Girder Slab Formwork
TRIO
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Juan Gallego
Site Manager
„The PERI solution combines a rational constructive method, a reduction of cycle times and strict safety conditions in a very high structure with big loads.“
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A special feature was that the slabs were completed one after each other but in a top down order. All the slabs are hanged with 14 pre-tensioned steel cables at the hat construction. When one slab was finished the shoring was lowered by means of 4 pre-tensioned steel cables to the next cycle phase one storey below. |
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PERI Handbook 2005 Formwork
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