Bordeaux > wooden high-rise building

Bordeaux > wooden high-rise building

This is a strategic site, at the crossroads of a number of throughways (for tram, cars, cyclists, pedestrians…), already endowed with a range of major amenities and future home to a whole series of emblematic buildings as part of the ambitious Euratlantique development. Plot number 8.4. lies at the centre of the ZAC area. This design is based on the principle of mixed programmes, including social housing for rent or private ownership, general housing for private acquisition and car parking facilities. The design espouses the curve delineated by the crossroads, lending the neighbourhood a sense of urban structure, closely interconnected with the surrounding area and town beyond and preparing the way for future building work. The line of the building is curved, slipping effortlessly into the urban context, and there are 5 floors including the ground floor. It is situated right next to the tram stop and a path leads pedestrians from the heart of the complex to the exterior facilities. The upper slab is graced with a garden, functioning as a fifth façade and a transitional space takes the form of a vertical garden comprising vegetated stairways for use by the residents. Shops are positioned in three different spots, and all have glazed panels at their corners, lending them a particularly delicate appearance for passers-by to appreciate. The whole design is very New York, using concrete with white cladding for the upper reaches of the building. The intimacy of the balconies is protected by the use of frosted glass. The base of the building uses ceramic bricks, in gloss or matte finish, as a reminder of the site’s industrial past. Horizontal lines are predominant. No such wooden tower of comparable height (55 m) has been built in France or the world today. Most edifices built in wood present the easily observed inconvenience of ageing very poorly. We have respected the programme specifications by designing a tower which explicitly demonstrates that its structure is made from wood. The series of laminated wooden pillars has been pushed out towards the periphery of the design, forming the exterior façade and supporting structural framework of the tower. A concrete core houses the lifts and stairwells, and guarantees resistance to wind forces. The design also uses fibrocement backfilling and exterior door and window frames in glass and aluminium. The structure is thus extremely simple, easily intelligible and has nothing elaborate or wordy about it. The question of how to prevent the wood from ageing prematurely was solved by doubling the thick structural posts with a blade of glass, detached from the main façade – not only does this enable one to clearly see the main material used (wood), but light also reflects playfully over its surface.
program
construction of a wooden high-rise building
project management
Icade Promotion, Domofrance, atelier d'architecture King Kong, Teisseire & Touton, Lets Grow, Elithis, Nobatek, Arbonis, Peutz
client: Icade Promotion, Domofrance / developer : Bordeaux Euratlantique
location: Bordeaux (33)
surface area: 17 000 m²
date: competition 2016
images/photos: atelier d'architecture King Kong, 2:pm
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