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The Arc at Green School
The Arc at Green School
Bali, Indonesia
Finalist, 2025 A+Awards, Sports & Recreation - Gyms and Recreation Centers
Jury Winner, 2025 A+Awards, Concepts - Architecture +Innovation
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The Arc at Green School
Bali, Indonesia
Finalist, 2025 A+Awards, Sports & Recreation - Gyms and Recreation Centers
Jury Winner, 2025 A+Awards, Concepts - Architecture +Innovation
Firm
Type
STATUS
Built
YEAR
2021
SIZE
0 sqft - 1000 sqft
The Arc at Green School Bali redefines sustainable architecture, showcasing the potential of bamboo in large-scale structures. As the largest assembly space on campus, The Arc serves as a gymnasium and a community gathering space, embodying Green School’s vision for innovation and ecological stewardship.
Ibuku, in collaboration with bamboo master builder Jörg Stamm and structural engineer Neil Thomas of Atelier One, sought a design solution that was both functional and transformative. The result is a structure that draws inspiration from nature and biomimicry, echoing the form of a human ribcage. Achieving this design required pushing the boundaries of bamboo’s potential, combining traditional craftsmanship with precision engineering. Extensive structural testing and close collaboration with Atelier One enabled the team to address the challenges of working with bamboo, a material known for its variability.
Soaring bamboo arches spanning 19-meter in compression are stabilized by anticlastic gridshells in tension, creating a voluminous, open space without intrusive trusses. By working with opposing curvatures, the gridshells remain in tension, perfectly complementing the compressive strength of the arches. This innovative approach balances material efficiency with structural integrity.
Completed on Earth Day 2021, The Arc is more than a gymnasium—it is a symbol of what is possible when nature and design come together. This groundbreaking project continues to inspire architects, engineers, and communities worldwide, demonstrating the role of sustainable materials in reimagining the future of design.
Ibuku, in collaboration with bamboo master builder Jörg Stamm and structural engineer Neil Thomas of Atelier One, sought a design solution that was both functional and transformative. The result is a structure that draws inspiration from nature and biomimicry, echoing the form of a human ribcage. Achieving this design required pushing the boundaries of bamboo’s potential, combining traditional craftsmanship with precision engineering. Extensive structural testing and close collaboration with Atelier One enabled the team to address the challenges of working with bamboo, a material known for its variability.
Soaring bamboo arches spanning 19-meter in compression are stabilized by anticlastic gridshells in tension, creating a voluminous, open space without intrusive trusses. By working with opposing curvatures, the gridshells remain in tension, perfectly complementing the compressive strength of the arches. This innovative approach balances material efficiency with structural integrity.
Completed on Earth Day 2021, The Arc is more than a gymnasium—it is a symbol of what is possible when nature and design come together. This groundbreaking project continues to inspire architects, engineers, and communities worldwide, demonstrating the role of sustainable materials in reimagining the future of design.
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