The proposal '21st century oasis' by japanese practice sou fujimoto architects in collaboration with taiwanese firm Fei & Cheng Associates has taken first place in the taiwan tower international competition for taichung city. Derived from the trunk of the taiwanese banyan tree, the ornate structural system will frame a semi-outdoor interior space generating a dappled light quality as found beneath a leafy deciduous canopy. Positioned within a green belt, the building will become an urban retreat with a green rooftop 'island' floating 300 meters above the city. Representing the divine isle of formosa, the garden will reintroduce the beauty of nature into the urban fabric while becoming a symbolic landmark visible from many points throughout the city.

A variety of renewable energy systems and passive design techniques have been integrated into the design including rainwater harvesting, solar hot water panels, wind turbines, photovoltaic cells, ground source heat pumps, desiccant air-handling units and natural ventilation due to the inherent stack effect. Mitigating the impact on infrastructure, the collection of systems will reduce half of the consumption and carbon emissions. The exterior effect of the steel construction is produced with vertical and inclined perimeter, inner and intermediate columns as well as spiral beams and roof beams. The presence of leaning vertical elements - comprised of 80mm diameter hollow tubes - will provide lateral stability from wind and earthquakes loads. Comprised of two intertwined units, the spiral beams stitch together the outer and inner row of columns from the ground floor to the roof plane, preventing buckling due to their slender proportions. a conic atrium is maintained within the center of the building's footprint spanning the entire height of the tower.

Adjacent to cultural districts, the program will consist of museum and exhibition spaces. visitors circulate upwards via an elevator placed within the acute point of the triangulated footprint. The facades contain LED lights which create an airy and hazy effect which changes in color and intensity. The exterior transitions into a sleeping state creating a starry illumination which evokes a similar effect of chinese lanterns.

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Sou Fujimoto was born in Hokkaido, Japan, on August 4, 1971. He graduated in architecture from the University of Tokyo's Faculty of Engineering in 1994. He established his own architectural practice, Sou Fujimoto Architects, in Tokyo in 2000, and has been a professor at Kyoto University since 2007.

He came to international attention in 2005 when he won the renowned AR – International Architectural Review Awards in the Young Architect category, an award he received three consecutive years, the first in 2006.

In 2008, he won the JIA (Japan Institute of Architects) Award and the World Architecture Festival Award in the Private Houses section. In 2009, Wallpaper magazine awarded him its design award. Sou Fujimoto published "The Primitive Future" in 2008, one of the best-selling architectural books of that year. His architectural projects always seek new forms and spaces between nature and artifice.

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Published on: December 16, 2011
Cite:
metalocus, PEDRO NAVARRO
"Sou Fujimoto wins Taiwan Tower Competition" METALOCUS. Accessed
<http://www.metalocus.es/en/news/sou-fujimoto-wins-taiwan-tower-competition> ISSN 1139-6415
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