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Yamana Lab
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An architectural history lab that explores reinforced concrete architecture in former French Indochina through history.

AboutAbout the lab
Considering modern and contemporary architecture through history and preservation.
The Yamana Lab studies the history of modern and contemporary architecture, and its preservation and reuse.
The lab investigates how reinforced concrete technology spread in former French Indochina (such as Vietnam and Cambodia), as well as the architecture of covered markets.
It also researches modern and contemporary architecture in Japan, including a survey of the prefabricated wooden houses designed by Junzo Sakakura.
Key terms
- Former French Indochina
- A region of Southeast Asia that was under French rule. The research deals with Vietnam and Cambodia.
- Covered market
- A market where stalls are lined up inside a building with a roof. The research examines those built of reinforced concrete.
- Reinforced concrete
- A structure in which concrete is poured into a framework of reinforcing bars and left to harden.
NewsLab news
Prof. Yamana received the 2026 Architectural Institute of Japan Prize (for Contributions)
Prof. Yamana received the 2026 Architectural Institute of Japan Education Award
The survey research on Junzo Sakakura's prefabricated wooden houses received the 24th Research and Practice Commendation Award
Prof. Yamana received the 2025 Architectural Institute of Japan Prize (for Contributions)
Prof. Yamana received the ICOMOS Japan Award
ResearchResearch themes
The lab investigates architecture in former French Indochina and modern and contemporary architecture in Japan through historical documents and field surveys. Its research subjects include the spread of reinforced concrete technology, covered markets, and Junzo Sakakura's prefabricated houses.
*Illustrative imageCovered markets in French Indochina
The lab studies the typology and distribution of covered markets built in French Indochina, and the characteristics of markets built of reinforced concrete. The targets are markets in northern and southern Vietnam and in Cambodia.
*Illustrative imageThe spread of reinforced concrete technology
The lab explores how reinforced concrete technology was introduced to former French Indochina. It also includes research that examines, from historical documents, the activities of the construction company that spread the technology across Asia.
*Illustrative imageJunzo Sakakura's prefabricated wooden houses
The lab studies Junzo Sakakura's prefabricated wooden houses using newly discovered documents. Through the reassembly of temporary housing in Sumita Town, it also considers the versatility of the components of prefabricated houses.
*Illustrative imagePreservation and archiving of 20th-century architecture
The lab works on the preservation and archiving of 20th-century architecture. It has also produced a paper on the Museum of Modern Art in Kamakura, built in 1951, based on an analysis of its structure and design.
MembersFaculty
- ProfessorYoshiyuki Yamana
- LecturerGenta Kokubu
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “French COlonial Architecture - Hanoi - Vietnam” Adam Jones Adam63 / CC BY-SA 3.0 (cropped)
- Covered markets in French Indochina: “Quyết Tiến market, Hà Giang, Vietnam - 2” Benjamin Smith / CC BY-SA 4.0 (cropped)
- The spread of reinforced concrete technology: “First Street Reinforced Concrete Bridge, Spanning Moxahala Creek at First Street (CR 7), Roseville, Muskingum County, OH HAER OHIO,60-ROSE,1- (sheet 1 of 1)” Related names: Gerwick, Benjamin C Warner, Charles A Withgott, F E / Public domain (cropped)
- Junzo Sakakura's prefabricated wooden houses: “SAKAKURA-Paris-pavilion” Unknown photographer, Sakakura Kenchiku Kenkyujo. / Public domain (cropped)
- Preservation and archiving of 20th-century architecture: “Early 20th century Modernist architecture in Pondicherry” Aviad2001 / CC BY-SA 4.0 (cropped)
- Related lab (川辺研究室): “Architectural Masterplan Model of Lieb Tang Rodfai Villas” Designer Mario Kleff / CC BY-SA 4.0 (cropped)
- Related lab (設計講師室): “Modern Architecture ( )” Gary Todd from Xinzheng, China / CC0 (cropped)
- Related lab (栢木研究室): “Great Kanto Earthquake Memorial Museum” Kakidai / CC BY-SA 4.0 (cropped)
- Related lab (高研究室): “ICD Research Pavilion 2016-17 Stuttgart 01” MSeses / CC BY-SA 4.0 (cropped)
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