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Kato Lab
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The lab studies the quality of concrete and the corrosion of reinforcing steel.
AboutAbout the lab
Uncovering the mechanisms of concrete deterioration.
The Kato Lab researches the mechanisms by which concrete structures deteriorate and what is needed to maintain them.
It investigates how segregation of materials in concrete before it hardens affects its quality after hardening.
The lab uses electrochemistry to study the corrosion of reinforcing steel inside concrete, and is considering the development of corrosion protection technologies.
On the lab's website, it is introduced under the name "Concrete Engineering Lab."
Key terms
- Fresh properties
- The state and properties of concrete before it hardens. Their relationship with quality after hardening is being investigated.
- Segregation
- The uneven separation of materials, for example during the placing or compaction of concrete. It is considered one of the causes of variation in quality.
- Electrochemistry
- A field in which the properties related to metal corrosion are systematically organized. It is used to elucidate the corrosion of reinforcing steel.
NewsLab news
View More ↗ResearchResearch themes
The Kato Lab investigates the mechanisms of deterioration in concrete structures and also works on developing technologies to prevent corrosion of reinforcing steel. It studies the properties of concrete before it hardens and the corrosion of the reinforcing steel inside it, respectively.
*Illustrative imageEffects of fresh properties on quality after hardening
Even in structures cast with the same mix proportions, variation in the progress of deterioration depending on member location has been confirmed. The lab investigates the mechanism of segregation of materials, which is considered one of the causes, and its effect on quality after hardening.
*Illustrative imageElucidating rebar corrosion and corrosion protection technologies
In environments exposed to seawater, chloride ions penetrate the concrete and corrode the reinforcing steel. The lab uses electrochemistry and is considering elucidating this corrosion phenomenon and developing corrosion protection technologies.
MembersFaculty
The members of the Kato Lab consist of faculty members, part-time lecturers, and joint researchers.As of 2026
- ProfessorYoshitaka Kato
- Assistant ProfessorKazuo Nishimura
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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: “Microscopic-image-of-corroded-rebar-containing-25-of-fly-ash-concrete” V. M. Sounthararajan, A. Sivakumar / CC BY 4.0 (cropped)
- Effects of fresh properties on quality after hardening: “Governor Clarence D. Martin tripping the concrete bucket at the official first pour ceremony - NARA - 294178” 作者不詳 / Public domain (cropped)
- Elucidating rebar corrosion and corrosion protection technologies: “Rebar on a pallet” W.carter / CC BY-SA 4.0 (cropped)
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