SalhausによるSreed Ebisu T オフィスビルは、建築・建物・構造物デザインコンペティションカテゴリーにおける非常に権威ある2025 A' Design Award 銀賞の優れた受賞作品です。

銀建築· 2025

Sreed Ebisu T オフィスビル

デザイナー： Salhaus

クライアント: Sapporo Real Estate Co., Ltd

建築カテゴリーのA' Design Award 銀賞受賞者

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デザイン

Sreed Ebisu T オフィスビルについて

「Sreed Ebisu T」は、東京都渋谷区恵比寿に建つ地上9階建てのオフィスビルである。本建築は、鉄骨のラーメン架構に木造の耐震フレームを組み込んだハイブリッド構造を採用している。「耐震木格子シェル」と名付けられたこの木架構は、構造要素であると同時にインテリア要素としても機能する。地震力のみを負担する部材には耐火被覆が不要であるため、木材をあらわしのまま見せることができる。低層階には飲食店や物販店舗が入り、上層階はオフィスとして計画されている。階段沿いに設けられた共用テラスが、休憩や交流の場を生み出している。

受賞

A' Design Award 銀賞について

Sreed Ebisu T オフィスビルは、見事で印象的なハイエンドのデザインに授与される、非常に権威ある評価である A' Design Award 銀賞の受賞作品です。銀賞の受賞作品は、きわめて輝かしく創造性に富んだ作品であり、デザイナーの傑出した専門知識、才能、洞察力を示しています。Sreed Ebisu T オフィスビルは、素晴らしい代表作であり、驚くほどプロフェッショナルで、深く革新的であることが期待されます。この A' Design Award 銀賞を受賞したデザインは、非常に注目すべき称賛される発明であり、芸術・科学・デザイン・技術の境界に寄与し、それを前進させます。Sreed Ebisu T オフィスビルは、多くの人に羨まれる創造物であり、欲求を呼び覚まし、前向きな感情をもたらし、驚きと感嘆を灯します。

デザインの裏側

プレスキット

デザイナーが提供するクレジット、チームメンバー、技術的な詳細。

独自の特性: This project is a nine-story office building in Tokyo. We tried to create a new prototype for urban timber architecture in this project. Our proposal was a hybrid structure of a steel post-and-beam frame and timber seismic frames inserted into it. This timber frame, which we call a "seismic timber lattice shell," is not only a structural but also an interior element to realize new workspaces where people can work in a more relaxed mode, enjoying the spatial value of the timber construction.
寸法とパッケージ: This project is a 9-story, 34.3m-high rental building with a total floor area of 564.7m2 and a footprint of 80.0m2. The ground and first floors are for restaurants or retail stores, and the third to ninth floors are for offices. It has an evacuation staircase and an evacuation balcony on each floor required by law, and an elevator. In addition, it is a fireproof building under the Building Standards Act.
タグ: Architecture, Timber, urban, Office, workspace
製造技術: Urban timber architectures, which have recently been booming in Japan, are dominated by multi-story buildings with post-and-beam frames that have acquired special fire-resistance certification. However, these buildings simply replace RC or steel-frame construction with timber and do not possess the spatiality unique to timber construction. Our goal was to create a new typology of urban timber architectures that maximizes the spatial value of timber construction and allows end users to enjoy the value.
デザインの課題: As this was an unprecedented construction method, we put great effort into the detailed design of the steel and timber joints. During the construction phase, we formed a team with a contractor, a steel fabricator, and a timber fabricator, both with high technical capabilities, and worked out the details of the joints while sharing 3D data. In addition, there were differences in the production accuracy between the two fabricators, so we paid close attention to the accuracy management on site.
リサーチ: Two primary motivations for promoting the construction of timber buildings in Japan today are, reducing CO2 emissions during construction and making use of the vast forest stock. Structural strength and fire resistance are the main issues when employing timber for urban buildings. We developed a method of using timber as a seismic element to brace steel frames, which can also work as an exposed interior element; structural members that only act against seismic force do not require fireproofing.
インスピレーション: The design of this building was carried out during the COVID-19 pandemic. People stayed home; some even said office buildings were no longer necessary. In this project, we considered what kind of workspace would be worth visiting and working in even after online working technology was established. Our answer was architecture, which provides the comfort of a home and maximizes the value of working together.
プロジェクト期間: This building's site is located in Ebisu, Shibuya-ward, Tokyo. We designed the building from June 2020 to June 2021, and construction work was carried out from June 2021 to January 2023. The building was put into use immediately after that, and all floors are currently rented out to tenants.
オペレーションフロー: In addition to creating an intimate workspace wrapped in timber on each floor, we created rich common spaces to facilitate workers' interaction. We designed a staircase not only as a simple evacuation route but also as a daily traffic route and arranged many common terraces along it. Taking a break outdoors or communicating with people from other companies will activate collaboration and creativity among workers.
チームメンバー: Architect: Motoki Yasuhara
Architect: Masashi Hino
Architect: Mari Tochizawa
Structural Engeneer: Jun Sato
画像クレジット: Image #1：Photographer Makoto Yoshida, 2023
Image #2：Photographer Makoto Yoshida, 2023
Image #3：Photographer Makoto Yoshida, 2023
Image #3：Photographer Makoto Yoshida, 2023
Image #4：Photographer Makoto Yoshida, 2023