Tokyo International Forum – Giant Vierendeel Truss: Sketches of the Convention Hall interior

Precast Vierendeel box beams, six meters deep, spanning 50 meters at a height of 20 metters. The beams are pierced by huge chrysanthemum-shaped voids, which are illuminated.

Christopher Alexander recognized the importance of the geometry of centers and for years he was looking for the common structural features among buildings, paintings, streets, carpets, doors, windows, etc. which have "life" and "wholeness". He identified fifteen structural features which ...

Focusing primarily on the pure beauty of the geometric order, which comes, above all, from the building structure (columns, walls, beams, vaults and so forth), specifically from the aperiodic grids which form the abstract underpinning of the building structure.

Color perspective view of the interior space of Convention Hall A, depicting the six pairs of Vierendeel bent type of beams with chrysanthemum hollow cuts in them, as submitted to the competition.

Four photographs of the perspective view of the Convention Hall interior, an enormous room 50 meters by 70 meters, with large columns. The roof is supported by Vierendeel box beams, pierced by giant chrysanthemum voids, which are illumunated.