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Construction Design Engineering Lab
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A lab studying the maintenance and design needed to make steel and concrete structures last longer.
AboutAbout the lab
Detecting deterioration and designing for long life.
The Construction Design Engineering Lab studies the maintenance of steel and concrete structures against aging deterioration, as well as high-durability design.
It is a lab that takes on new research spanning multiple academic fields, including chemistry, electrochemistry, materials science, spatial statistics, and mechanics.
Through basic research, the lab clarifies the mechanisms of deterioration and proposes methods to predict the onset of these phenomena and of critical damage.
Many of the research themes are carried out as joint research with research institutions and private companies in a variety of industrial fields.
Key terms
- CFRP
- A composite material made by binding carbon fibers with resin. The lab studies it as a material for repairing and strengthening steel structures
- Surface preparation
- Removing rust and other material from the surface of steel to prepare the base before repair or painting
- Geopolymer
- A material made by mixing an alkaline solution with fly ash or similar materials and letting it harden. It is being studied as a material for use in concrete
NewsLab news
Professor Kainuma and Assistant Professor Kim received the Technology Award from the Japan Society of Corrosion Engineering
A paper by a doctoral student was published in the international journal Surface and Coatings Technology
Professor Kainuma received the Outstanding Paper Award from the Japan Foundry Engineering Society
A paper by a doctoral student was published in the international journal Corrosion Science
A paper by a doctoral student was published in the international journal Construction and Building Materials
ResearchResearch themes
The lab clarifies the mechanisms of deterioration in steel and concrete structures through basic research, and proposes methods to predict the occurrence of these phenomena and of critical damage. Based on these results, it develops new technologies such as damage-prediction sensors, aging deterioration simulation, monitoring, damage restoration, and higher durability, and conducts implementation research that applies them to actual structures.
*Illustrative imageMaintenance, Corrosion, and Corrosion Protection of Steel Bridges
This theme covers steel structures, with the keywords steel bridge maintenance, corrosion and corrosion protection, surface preparation, CFRP, and AWT. It is handled by the Kainuma group.
*Illustrative imageMaintenance of Concrete Bridges
This theme covers concrete, with the keywords concrete bridge maintenance, blast furnace slag, fly ash, and geopolymers. It is handled by the Sagawa group.
MembersFaculty
The members of the Construction Design Engineering Lab are faculty, administrative assistants, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorShigenobu Kainuma
- Associate ProfessorYasutaka Sagawa
- Associate ProfessorMuye Yang
- Assistant ProfessorAran Kim
- Project Assistant ProfessorJian Tang
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: “Steel girder and concrete blockwork bridge - geograph.org.uk - 6101986” Alan Hughes / CC BY-SA 2.0 (cropped)
- Maintenance, Corrosion, and Corrosion Protection of Steel Bridges: “Amfleets on Cascades crossing the Steel Bridge 1” Ac530 / CC BY 4.0 (cropped)
- Maintenance of Concrete Bridges: “Broadway bridge awaiting placement of concrete deck, May 2020” MassDOT / Public domain (cropped)
- Related lab (建設材料システム工学研究室): “Kintsugi on broken Kyūsu lid-bottom PNr°1259” D-Kuru / CC BY-SA 4.0 (cropped)
- Related lab (流域システム工学研究室): “River Vishwamitri eco Restoration 01” Santhemant / CC BY 4.0 (cropped)
- Related lab (災害数理研究室): “Tsunami simulations Ofunato City” Ōfunato City, Prefecture Iwate, Japan / CC BY 3.0 igo (cropped)
- Related lab (水圏環境工学研究室): “Pentwyn Reservoir in drought (geograph 7271833)” Martin Laverty / CC BY-SA 2.0 (cropped)
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