The Japanese architect Shigeru Ban recently completed a very interesting and innovative theater building in Paris, France. Shigeru Ban is well known for pushing the envelope when it comes to architectural design, as well as for his humanitarian design work, and this theatre is no exception. It features a wall of solar panels, which is movable so that it can follow the sun all day.
Ban created the Seine Musicale theatre building in collaboration with French architect Jean de Gastines. It is located in the western suburbs of Paris, on the Île Seguin. The round building can seat 5,500 and contains two separate main halls, five recording studios, several practice rooms, as well as a huge rooftop garden that is planted with more than a dozen different tree species.
However, the really impressive part of the building is the 200-ton and 147-foot (45-meter) movable “sail” covered in solar panels. It is a heliotropic surface, which is capable of automatically tracking the path of the sun at a rate of 16 feet (5 meters) per minute. In this way the solar power generation of the array is maximized, while the “sail” also provides shading for the interior. It is definitely a feat in sustainable design, and Ban hopes in time the building will become one of the world famous symbols of Paris, alongside the Eiffel Tower and the Louvre pyramid.
The theater has a timber structure, which is robust enough to support its glass skin. The ceiling of the 1,150-seat classical music auditorium is made out of hexagonal elements that satisfy the acoustic demands of building such a structure. It is covered with an array of tubes that are made from wood, cardboard and paper, while weaved wooden slats cover the walls.
This project took four years to complete, and it is a great example of how cutting edge technology can be used to make our buildings more sustainable. Hopefully more future projects will incorporate such innovative solutions.
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