1996国立国会図書館関西館建築設計競技 1996
Kansai-kan of the National Diet Library Design Competition
Location: Seika, Kyoto Pref.
Site Area: 37,500 m2
Building Area: 13,588 m2
Total Floor Area: 59,429 m2
Total Story: 4 floors above ground, 4 below
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SITE CONDITIONS
The construction site of this project is located nearly in the center of the "Seika-Nishikizu District" which forms the core of Kansai Science City and faces on the Seika Main Street in the north that will be the main road of this district, and on the Nara Seika Street in the west. Keihanna area where the building is constructed was cut open in the large mountains and still there exists rich green nature in the environs.
ARCHITECTURAL CONCEPT
This facility with an enormous quantity of books might give the surroundings a coercive aspect because of its huge volume. This project was designed to utilize this volume, to respect the lost nature in the site, and to reflect a revitalization of the natural mountains in the appearance as its image. The building appearance is covered with a gently curved roof as a whole forming an image of natural hill rising from the land.
In consideration of the characteristics of this place and a sequence with the suburbs, the facilities are constituted with an open courtyard in the north, a parking place with a natural approach in the east, Building A for service section and library cooperation section next to the parking place, Building B mainly for management and work section in the south of Building A, and Building C exclusively for book stock room section in the west. The entrance hall was planned to incorporate the interior space and the exterior space by a glass curtain wall and the floor materials and their pattern. There is an atrium across from the first floor to the third floor in the center of Building A, which is covered with a skylight from where a soft natural light is pouring into the lobby in the building. The general references reading room in the second floor has an open space without pillar made by a gently curved 3-D truss at the roof of Building A, which allows to change the layout flexibly and provides a space with an effective visibility for emergency.