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Hiraga Lab
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A cultural heritage conservation lab that protects the value of historic buildings and passes it on to the future.

AboutAbout the lab
Carrying the value of historic buildings into the future
The lab studies the conservation and use of historic buildings and historic environments.
Its theme is “building a sustainable urban environment through the conservation and use of historic buildings and historic environments.”
The lab pursues two kinds of research: work on the principles and systems needed to pass the historic value of heritage on to the future, and practical work that explores ways of using heritage that suit contemporary society.
It covers the history of modern architecture in Japan and fields related to the conservation of cultural heritage.
Key terms
- Historic building
- A building recognized as having historic value and treated as a target for conservation and use
- Cultural heritage
- Buildings and environments inherited from the past that are protected and handed down as valuable
- Modern architecture
- Architecture built since the Meiji period, after Western technologies and styles were introduced to Japan
ResearchResearch themes
The lab's theme is building a sustainable urban environment through the conservation and use of historic buildings and historic environments. It conducts theoretical and institutional research on how to pass historic value on to the future, as well as practical research on uses suited to contemporary society.
*Illustrative imageWhere the Stone in a Building Came From
Knowing where the stone of a historic building was quarried helps in choosing materials for repairs and in assessing the building's value. The lab is developing a method to estimate the source of the stone without damaging it, using a portable X-ray fluorescence (XRF) analyzer.
*Illustrative imageThe Role of Those Who Protect World Heritage
To explore mechanisms for protecting cultural heritage over the long term, the lab takes the Tomioka Silk Mill, a World Heritage Site, as an example. It investigates the roles that the local government owning the buildings has played in conservation and restoration projects.
*Illustrative imageMeiji-Era Architecture and Imported Iron
To understand how modern construction technology took root, the lab uses historical documents to trace how steel members were imported and accepted by the architectural world during the Meiji period, when buildings combining brick masonry with steel frames first appeared.
MembersFaculty
- Associate ProfessorAmana HiragaPublications ↗
VoicesStudent voices
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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: “Former Hakodate Museum 1” Ozizo / Public domain (cropped)
- Where the Stone in a Building Came From: “Niton XL3t GOLDD Plus on rock 800-600” Thermo Scientific™ / CC BY-SA 4.0 (cropped)
- The Role of Those Who Protect World Heritage: “Tomioka Silk Mill East Cocoon Warehouse05” Hasec / Public domain (cropped)
- Meiji-Era Architecture and Imported Iron: “Mitsubishi Ichigokan Museum” Wish.F / CC BY 3.0 (cropped)
- Related lab (山﨑研究室): “Tutiurakamekitei” Teduryu / CC BY-SA 4.0 (cropped)
- Related lab (藤田研究室): “Rabat church 2012” M. / CC BY-SA 3.0 (cropped)
- Related lab (中野研究室): “2015.04 - Amsterdam, photo of a building site - An excavation at the Sarphatistraat for a new hotel; a geotagged free urban picture, in public domain Commons CCO; city photography by Fons Heijnsbroek, The Netherlands ( )” Fons Heijnsbroek from Amsterdam, Netherlands / CC0 (cropped)
- Related lab (五十嵐研究室): “Steel frame building under construction in Taiwan” SSJF01 / CC0 (cropped)
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