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Infrastructure-Friendly Technology Lab
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A lab that connects the ground and the environment, turning soil and waste into resources.
AboutAbout the lab
Harmony between people and the geoenvironment, and the creation of infrastructure
The Infrastructure-Friendly Technology Lab, centered on geoenvironmental engineering, studies how to build infrastructure that protects the global environment.
It deals with technologies for returning waste and by-products from human activities to the ground as construction materials, or for safely accepting them into the geoenvironment.
The lab also develops technologies for remediating contaminated ground and hydrological environments, and technologies for infrastructure development with a small environmental burden.
Although it is a lab of the School of Global Environmental Studies, it is also involved in education for the Undergraduate School of Global Engineering in the Faculty of Engineering and the Department of Urban Management in the Graduate School of Engineering.
Key terms
- Geoenvironmental engineering
- A field that treats the ground not only as a foundation for structures but also as a pathway for and a receptor of pollutants
- Adsorption layer method
- A construction method in which a layer that adsorbs heavy metals is laid beneath the soil to hold back the components that leach out
- Bentonite
- A clay that swells greatly when it absorbs water, used to build walls that water does not easily pass through
NewsLab news
A student received the Presentation Award at Geo-Environmental Engineering 2026
Paper accepted by Waste Management
Paper accepted by Journal of the Japan Society of Civil Engineers
Paper accepted by Applied Clay Science
Lab visit schedule for incoming fourth-year undergraduates announced
ResearchResearch themes
The ground and hydrological environment are the foundation of life and society, and they need to be used sustainably in harmony with human activities. The lab develops technologies for returning waste and by-products to the ground, technologies for remediating contaminated ground, and technologies for infrastructure development with a small environmental burden.
*Illustrative imageRecycling soil generated by construction
Excavated soil and rock can naturally contain heavy metals and other substances such as arsenic. The lab works on establishing construction methods for the adsorption layer method, which holds back heavy metals.
*Illustrative imageEvaluating and countering ground contamination
To manage contaminated soil with as little movement as possible, the lab evaluates vertical cutoff walls made by mixing bentonite into soil on site, in terms of their low permeability and their ability to follow ground deformation.
*Illustrative imageProper management and use of waste and by-products
The lab has studied, from the viewpoint of geotechnical engineering, the liner systems laid at waste disposal sites and the construction methods for driving piles into sites after closure.
*Illustrative imageContributing to global environmental issues
The lab works in areas where energy and geotechnical engineering overlap, such as the use of shallow geothermal energy. It investigates, through both experiments and analysis and while improving its testing equipment, how the interaction between the ground and heat affects the migration of chemical substances underground.
MembersFaculty
The members of the Infrastructure-Friendly Technology Lab consist of faculty, researchers, and students in the doctoral program, the master's program, and the undergraduate program.As of 2026
- ProfessorTakeshi Katsumi
- Associate ProfessorAtsushi Takai
- Assistant ProfessorTomohiro Kato
- Program-Specific Assistant ProfessorRongguang Yu
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: “Cracked dry mud ( )” USDAgov / Public domain (cropped)
- Recycling soil generated by construction: “Gold Pan” Nate Cull / CC BY 2.0 (cropped)
- Evaluating and countering ground contamination: “Dew on Lotus Leaf” Koushik Roy / CC BY-SA 4.0 (cropped)
- Proper management and use of waste and by-products: “Demolition rubble - geograph.org.uk - 6775942” Anthony O'Neil / CC BY-SA 2.0 (cropped)
- Contributing to global environmental issues: “Sol de Mañana 2018” kallerna / CC BY-SA 4.0 (cropped)
- Related lab (応用力学): “Fluid simulation created using Blender 3D” Original uploader was Charybdis at en.wikibooks / CC BY-SA 3.0 (cropped)
- Related lab (地殻開発工学): “Hohlbohrkern” --Nightflyer 23:51, 27. Jun 2006 (CEST) / CC BY-SA 3.0 (cropped)
- Related lab (土木施工システム工学): “Kazan Tunnel Kyoto JPN 004” Ignis / CC BY-SA 4.0 (cropped)
- Related lab (放射能環
境動態工学(複合原子力科学研究所)): “Radioactive contamination monitor EKO-C” Łukasz Karolewski / CC BY-SA 4.0 (cropped)
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