記事概要

AND
OR
記事タイトル
大阪・関西万博照明の実測調査
発刊年月日
2026年5月 Vol.110 第3号
著者名
吉澤 望,柏熊 陸斗
企業・団体名
記事種別
特集資料・講演など
抄録(ABSTRACT)
This article reports on the results of the measurement survey on the lighting plan for the Expo 2025 Osaka, Kansai site. Measurements of the main roof ring were conducted three times before the event, and the one inside the ring and of pavilion area was done in September during the event. The measurements made it clear that the Expo lighting was designed to keep the overall light intensity very low based on the concept of proposing “Updated Nighttime Scenes in Lighting” for the next era. The illuminance of the skywalk above the ring was also very low, however there were no problems for walking on it. It appears that the Expo lighting fully fulfilled the expected role in terms of presenting sustainable lighting for the next era.
図表タイトル

図1 照明デザインの基本的な考え方:鉛直面の明るさ Fig.1 Basic idea on lighting design: brightness of vertical surfaces.
図2 左:輝度測定,右:照度計受光部 Fig.2 Left: luminance measurement, right: light receiving part.
図3 リング側面(左:写真,右:輝度画像) Fig.3 Side of the Ring (left: picture, right: luminance image)
図4 リング上 歩廊(左:写真,右:輝度画像) Fig.4 Skywalk of the Ring (left: picture, right: luminance image)
図5 リング上 歩廊の輝度分布 Fig.5 Luminance distribution of the Skywalk of the Ring.
図6 リング内 パビリオンエリア照度分布 Fig.6 Illuminance distribution inside the Ring and in the pavilion area.
図7 各パビリオンの平均輝度 Fig.7 Average luminance of each pavilion.
表1 各ゾーンの照明の推奨値 Table 1 Recommended values for Lighting in each zone.
表2 各ゾーンの平均照度 Table 2 Average illuminance in each zone.

キーワード
Expo 2025 Osaka | 屋外照明計画 | outdoor lighting design | measurement survey | luminance regulation | 実測調査 | lighting design guidelines | 大阪・関西万博 | 輝度基準 | 照明ガイドライン | Kansai

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