The Arc at Green School Bali

Ibuku Bamboo Architecture and Design as Architects

 An Unprecedented Structure

IBUKU has pioneered a new design vocabulary, making our own rules along the way, and offering new solutions to the world through our journey. Today, we offer yet another design solution, an unprecedented structure which is not only an incredible piece of bamboo architecture, but will serve as a reference in lightweight structures altogether.

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

The Arc is the newest building on campus at the world-renowned Green School in Bali, Indonesia. The school has a 12 year history of breaking boundaries and expanding horizons and the Arc is the newest benchmark in that history, raising the bar for sustainable education around the world. The first building of its kind ever made, The Arc at Green School is built from a series of intersecting 14 meter tall bamboo arches spanning 19 meters, interconnected by anticlastic gridshells which derive their strength from curving in two opposite directions.

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

The Arc is a feat of engineering; it required months of research and development and fine tuning of tailor-made details. The result is a refined design with unparalleled beauty, which stands as a testament to IBUKU’s commitment to expanding horizons in architecture and design.

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

 Constructed by Bamboo Pure

“There is something quite wonderful about ancestral craftsmanship meeting modern construction techniques. To ensure maximum accuracy, the craftsmen worked within a three dimensional coordinate system which enabled a reliable adherence of the gridshells' curvatures to specific engineering requirements.”
—Jules de Laage, The Arc at Green School - Construction Manager & On Site Architect, IBUKU

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

Inspired by Nature
The Arc employs one of nature’s greatest strategies for creating large spaces with minimal structure. Within a human ribcage, a series of ribs working in compression are held in place by a tensioned flexible layer of muscle and skin. This creates a thin but strong encasement for the lungs. In the case of The Arc, arches working in compression are held in place by tensioned anticlastic gridshells. These fields of gridshells appear to drape across the spaces between impossibly thin arches soaring overhead, giving a whimsy, intimacy and beauty to the space. Although, the gridshells appear to hang from the arches, they actually hold them up

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

The Arc's counterintuitive orchestration of geometry brings the structure into a state of equilibrium, which means a dramatically decreased necessity for structural material. This also means an unprecedented inner volume with an impossibly thin structure and without any distracting trusses. 

photo_credit Tommaso Riva
Tommaso Riva
photo_credit Tommaso Riva
Tommaso Riva

Team:

Design: IBUKU

Concept: Jörg Stamm

Engineering: Atelier One

Construction: Bamboo Pure

On-Site Architect & Construction Manager: Jules De Laage

Testing and Construction Strategy Consultant: James Wolf

Lighting: Studio Nimmersatt

Photography: Tommaso Riva

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