Osaka Expo Big House Root Ring: How the temporary giant structure discusses the next stop of materials

AbstractAbstract

The Expo root ring organizes the flow, shade and overall recognition of the venue with a huge wooden system.It also raises a real-world question: how structures, components, and public memory continue to exist after the temporary event is over.

2025 Timeline and Evidence

01 The Great Yago Root Ring is the core spatial framework for the overall experience of the Osaka World Expo.

Wooden nodes, continuous walking and high-level vision combine engineering, climate, and public activity.

Expo clearly only 184 days, the estate strategy must face time limit.

Osaka Expo Big House Root Ring: How the temporary giant structure discusses the next stop of materials editorial image 1 — 016 · editorial image 01AURELIS ARCHIVE

s of Case Analysis

Temporary buildings cannot be evaluated only at the time of construction.The component size, connection method, transportation, dismantling and reuse market determine whether “recyclable” can be achieved; heritage may also be knowledge, standards, and urban space rather than original retention.

Design Response Design Response

01 Create a list of disassembly and de-direction for each type of component.

Evaluate the dimensions and quality requirements of reuse during the design phase.

Integrate operational data and public feedback into legacy decisions.

Osaka Expo Big House Root Ring: How the temporary giant structure discusses the next stop of materials editorial image 2 — 016 · editorial image 02AURELIS ARCHIVE

AURELIS observation

The value of the big have root ring is not only in scale, but also in forcing the industry to think about short-term public experience and long-term material responsibility at the same time.

Source of sources

01 https://www.expo2025.or.jp/en/overview/