Grand Ring, Expo 2025 Osaka, Kansai, Japan

Outline
The symbol of Expo '70 Osaka-Kansai (2025), the world's largest wooden building is a circular structure consisting of 109 wooden frame units, 30 m wide, 20 m high, and 615 m in inner diameter, with a circumference of approximately 2 km. The joints are made by hollowing out columns and inserting penetrators, and the structure meets earthquake resistance standards. The construction is divided into three sections, and the construction method differs for each section.
Location
  • Osaka
Journal
Shinkenchiku 2025:09
Related Link
Shop
Special Link
Matrix of 100 Years of Architecture(The 100th Anniversary of Shinkenchiku)
Previous Categories
Timber’s Potential
Category
Mass Timber Construction
Next Categories
Decade
2020s
Thema