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La république de l'Architecture

Infinity, la tour invisible, humilité ou péché d’orgueil?

Une tour de 450 mètres invisible… Là on se dit qu’il faut peut-être secouer les auteurs de ce projet insensé, car du rêve au délire… Pas du tout. les tours les plus hautes ont toujours fait fantasmer architectes et ingénieurs et les poussent à se dépasser pour inventer, tirer parti des techniques existantes, en adapter d’autres… Bien des idées sont restées dans es cartons, mais la technique aidant, de plus en plus de bâtiments inconstructibles il y a un quart de siècle sont érigés en quelques années. Les maîtres d’ouvrages de ces grands objets étant plus souvent en panne d’idées que d’argent, sont ravis et prêts à mettre les moyens pour que « leur » tour soit , pendant un temps de plus en plus court, la plus haute, la plus belle, la plus connue.

A Seoul, le projet Infinity, issu d’un concours international jugé en 2008 et remporté par l’agence d’architecture GDS est organisé par un maître d’ouvrage public, « Korea Land Corporation and Cheongna organisation » décidé à faire de ce bâtiment situé à proximité de l’aéroport international Incheon, la porte d’entrée dans le pays. L’incroyable gratte ciel vient d’obtenir son permis de construire…

Une tour de 450 mètres, jusque là rien de très extraordinaire. Enveloppée dans une résille métallique ou de béton, l’idée commence à être banale aussi. C’est pourquoi les architectes ont décidé de jouer sur un autre registre. De ne pas se battre sur la hauteur mais de retourner le propos en créant une « anti-tour », non plus égo-centrée et construite pour attirer l’attention, mais tournée vers l’extérieur qu’elle est chargée de mettre en valeur. « La tour démontrera avec subtilité la place grandissante de la Corée dans le monde, expliquent les architectes sur leur site, en imposant une présence forte tout en la diminuant »…

Malgré sa masse et ses 100.000 m2, le bâtiment devra donc se faire discret. Disparaître même. Ce qui parait éventuellement crédible d’une construction basse qui fait corps avec un sol ou un environnement végétal paraît tout simplement inapproprié à une tour, car alors, pourquoi la construire? Beauté du geste sans doute et technique inédite:  Grâce à une façade équipées de leds capables de reproduire l’image du paysage filmé en temps réel, par des caméras installées sur la tour, l’édifice reflètera le ciel et la ville qui l’entourent en se fondant visuellement dans les éléments, même lorsque ceux-ci varieront, la couleur du ciel en premier lieu. Lorsque le système est « éteint », le bâtiment est bien présent. Lorsqu’il fonctionne, il reflète les alentours qu’en réalité il cache.

La tour reflètera ce qui se trouvera autour d’elle

Courtesy of GDS Architects

(Courtesy of GDS Architects)

Les images seront filmées autour de la tour puis projetées sur le bâtiments  à différents niveaux.

Courtesy of GDS Architects

 

 

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10 Réponses pour Infinity, la tour invisible, humilité ou péché d’orgueil?

Éric Symak dit: 16 novembre 2013 à 1 h 04 min

Bonjour
Si on peut imaginer une ‘tour de pixels’ où le point émis reproduit ce qui est derrière, et ceci dans une symétrie circulaire tout le long du cylindre, qu’en serait-il si on ne se place pas dans les conditions optimales de vision i.e. à l’infini et selon l’horizontale. Les phénomènes de rapport de grandissement et de parallaxe ne faussent-ils pas tout si on est soit près soit regardant obliquement ?

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