WAD 2014

THURSDAY 31 JULY 2014

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Footbridge Granite, Paris, France 
Tuesday 07 Oct 2008
 
Paris’s new promenade 
 
Copyright of Wade Zimmerman 
 
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No. of Comments: 2

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14/10/08 Sy Auerbach, F.A.I.A, Chevy Chase, MD
What pedestrian, in his/her right mind would lean on a transparent railing where his feet would hit the railing before he/she could look over it?

It's computer produced arrogance with no thought of human reaction!

It's arrogant!
14/10/08 David May, AIA, Virginia Beach
It's ironic, it's clever, it's so negative it almost ceases to exist (if it wasn't for the skill of the photographer). But is it architecture just because it's designed by architects? Of is it morelikely fancy engineering? Architecture is of the heart, whilst engineering is of the mind. Let's call this for what it is and not what it pretends to be.
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Editorial

It’s all in the details as Tour Granite receives this curving walkway masterpiece 

Linking up the west part of the Parisian financial district La Defense with Nanterre via the Tour Granite, this 90 m long footbridge winding through a dense architectural tissue is a modern urban promenade based on an ambitious structural concept.

Starting off behind the Grande Arche as a ramp in continuation with a street, the generous circumscription of the office building of the Société Générale Bank required a specific solution.

The bridge keeps a distance from the building and the supporting structure has been transferred to the exterior curve. This allows for the maximum of natural light to reach the offices and cafeteria. The bridge then reaches the Tour Granite on the first floor. Escalators and stairs link up with the ground level. The main structural elements are the girders accentuating the bridge every 10 m like ‘vertebrae’. The ‘spine’ of the bridge consists of steel sheet box girders. The radiating ‘vertebrae’ are interconnected by pre-stressing ‘tendons’. A system of cantilevers takes on the vertical forces.

Strong resistance against torsion is assured by the deck and a band below interlinking the pre-stressed in the circumferential direction.

Glass banisters are fixed at the exterior curve so that the pedestrian may contemplate the cityscape. At night the illumination of the masts emphasizes the rhythmic structure of the promenade.

Key Facts

Status complete
Value 0(m€)
Feichtinger Architectes
www.feichtingerarchitectes.com

More projects by this architect

Financial and commercial department of Voest Alpine Stahl GmbH

 
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