Embraced in Recycled Steel Office by Nobuaki Miyashita

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DESIGN DETAILS
DESIGN NAME:
Embraced in Recycled Steel

PRIMARY FUNCTION:
Office

INSPIRATION:
The design reflects the process of transforming recycled scrap metal into new steel products, embodying Kyoei Steel’s commitment to sustainability. The stacked billet-inspired structure symbolizes the recycling and regeneration of steel resources, visually expressing the company's dedication. The interior incorporates the company’s own steel materials, such as angle steel, rebars, and flat bars, ensuring their strength, durability, and aesthetic appeal are fully showcased throughout the space.

UNIQUE PROPERTIES / PROJECT DESCRIPTION:
Kyoei Steel recycles steel scrap using electric furnaces. The new Yamaguchi office themed An Office Embraced in Recycled Steel embodies this transformation. The exterior draws from stacked billets while the interior uses locally sourced angle steel and rebars. Barcode and QR code designs extend through office spaces, harmonizing steel and light. The lighting design transforms these patterns into three dimensional forms, adding depth and movement, symbolizing Kyoei Steel’s identity and vision.

OPERATION / FLOW / INTERACTION:
This building visualizes Kyoei Steel’s recycling process, transforming the journey of recycled scrap metal into an architectural experience. The stacked billet-inspired exterior symbolizes material circulation, while the interior features angle steel and deformed bars as finish materials. The stairwell integrates a QR code motif with lighting, creating an interplay of steel and light that intuitively communicates the company’s technology and commitment to sustainability.

PROJECT DURATION AND LOCATION:
The project commenced in early 2022 in Yamaguchi, Japan, with design and planning phases focused on integrating Kyoei Steel’s identity into the architecture. Construction began in mid-2023, aiming to unify office functions while enhancing operational efficiency and employee engagement. The office was completed in early 2024, creating a sustainable workspace that embodies the company’s commitment to steel recycling and innovation.

FITS BEST INTO CATEGORY:
Architecture, Building and Structure Design

PRODUCTION / REALIZATION TECHNOLOGY:
The building’s exterior adopts a stacked structure inspired by Kyoei Steel’s billets, with special coatings creating textural variations symbolizing recycling. The interior features angle steel, flat bars, and deformed steel bars as finish materials, bringing typically hidden structural elements into the architectural expression. The lighting design integrates seamless LED fixtures shaped like billets, harmonizing with steel louvers on the ceiling for a cohesive lighting environment.

SPECIFICATIONS / TECHNICAL PROPERTIES:
Site Area: 108,045.44 Square meters Building Area: 1,091.12 Square meters Total Floor Area: 3,931.89 Square meters Structure: RC Number of Floors: 4 above ground Maximum Height: 19.9 m Eaves Height: 16.5 m Floor Height: 3.9 m Ceiling Height: 2.9 m

TAGS:
architecture, office, lighting design, recycled steel, sustainable design

RESEARCH ABSTRACT:
Type of Research: Architectural design research Research Objectives: Exploring recycled steel’s potential in architecture Methodology: Material analysis and spatial testing Data Collection: Mock-ups and lighting simulations Participants: Designers, engineers, technical experts Results: The building serves as a showroom, demonstrating recycled steel’s architectural potential Impact: Set a benchmark for sustainable design while enhancing corporate branding and public awareness

CHALLENGE:
The main challenge was to create an architecture that symbolizes the company’s identity without compromising factory functionality. The project required extensive testing to utilize steel materials not only structurally but also aesthetically. Special focus was given to the QR code-inspired vertical design and lighting integration, which underwent multiple prototypes and refinements to achieve the desired effect.

ADDED DATE:
2025-02-28 07:29:45

TEAM MEMBERS (1) :
N/A

IMAGE CREDITS:
Image #1,#3,#4 : Photographer Nobuaki Miyashita Variations, 2024
Image #2,#5 : Photographer Sato Kenta, Variations, 2024.

Visit the following page to learn more: https://www.mrstudio.biz


CLIENT/STUDIO/BRAND DETAILS
NAME:
KYOEI STEEL LTD.

PROFILE:
KYOEI STEEL LTD. is a leading Japanese manufacturer of steel products, specializing in electric arc furnace (EAF) technology for sustainable steel production. Established in 1947, the company has grown into a key player in the global steel industry, providing high-quality reinforcing bars (rebar) and structural steel for construction, civil engineering, and infrastructure projects. With production facilities across Japan and international operations in Vietnam, the U.S., and other regions, Kyoei Steel is committed to environmentally responsible manufacturing. The company leverages recycled scrap metal as a primary raw material, reducing carbon emissions and promoting a circular economy. Kyoei Steel continuously enhances its technological capabilities, ensuring efficiency and sustainability in steelmaking. The company also prioritizes safety, quality, and innovation, contributing to the long-term development of society through its durable and reliable steel solutions.



NOMINATION DETAILS

Embraced in Recycled Steel Office by Nobuaki Miyashita is a Nominee in Architecture, Building and Structure Design Category.

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AWARD DETAILS

Embraced in Recycled Steel Office by Nobuaki Miyashita is Winner in Architecture, Building and Structure Design Category, 2024 - 2025.

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