Archery Hall in Tokyo
The Technical University “Kogakuin” situated in the west of Tokyo commissioned the construction of an archery facility for its campus. A filigree space frame with bars made of Japanese cypress wood spans the column-free space measuring 7.20 × 10.80 m. The 60 × 60 × 60 cm spatial grid leads to slender dimensions for the bars of the structure. The rafters consist of two beams each measuring 120 × 36 mm. Between them, vertical bundles are placed with 4 wood bars each measuring 36 × 36 mm. They feature grooves that serve to brace six layered horizontal 24 × 50 mm bars. This leads to a cross section resembling a stable triangular frame. The frames were set on top of the ring beams via steel angles and connected with 12 × 50 mm wood bars. They lead through all nodes of the horizontal and vertical bars of the triangular frame and are connected to the nodes with bolts. The roofing consists of galvanized sheet metal. The walls of the wood frame construction are clad in cedar with dark glazing on the exterior and gypsum board on the interior. Despite the strong presence of the roof construction, it emphasizes the openness of the space thanks to its filigree character.
