The Arc at Green School
The geometry of this arch not only saves a lot of building material, it also results in a beautiful sports hall.
The Arc aims to set new standards for sustainable building and education.
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.
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.
Along the way, The Arc is a fantastic and distinctly multifunctional sports hall.
The design model was a mammal’s chest.
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.
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.
The Arc’s counterintuitive orchestration of geometry brings the structure into a state of equilibrium.
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.
“The gridshells use shape stiffness to form the roof enclosure and provide buckling resistance to the parabolic arches. The two systems together create an unique and highly efﬁcient structure, able to ﬂex under load allowing the structure to redistribute weight, easing localised forces on the arches.” says Neil Thomas from Atelier One.
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