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Earthquake Disaster Engineering Lab
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The lab studies how buildings are damaged by earthquakes and develops systems that quickly identify the damage.
AboutAbout the lab
Buildings that withstand earthquakes, and damage that is known right away.
The lab conducts research on the seismic structures of buildings and on disaster prevention and mitigation.
Focusing on reinforced concrete structures and steel-concrete composite structures, it aims to advance design methods and enable immediate estimation of earthquake damage.
In addition to various structural experiments, the lab carries out numerical analysis and earthquake observation in existing buildings.
It also develops new building structural systems and proposes low-cost, simple seismic retrofitting methods for existing buildings.
Key terms
- Reinforced concrete structures
- Reinforced concrete structure: a structure in which steel reinforcing bars are placed inside concrete so that it can also resist tensile forces
- Pile foundation
- Pile foundation: a foundation that supports the weight of a building with columns (piles) driven deep into the ground
- Shake-table test
- Shake-table test: a test in which a specimen is placed on a platform and subjected to shaking like an earthquake to see how it fails
NewsLab news
A student received the FY2025 Chiba University Graduate School of Engineering Dean's Award
A student received the Young Presenter Award in the Structural Division (Foundation Structures) at the Architectural Institute of Japan Annual Meeting
A student received the FY2023 Chiba University Faculty of Engineering Dean's Award
ResearchResearch themes
The lab works on advancing seismic design methods for concrete-based structures. It also works on observation and monitoring to quickly assess how badly a building is damaged after an earthquake.
*Illustrative imageAdvancing design methods for reinforced concrete pile foundations
The lab investigates how the ground, reinforced concrete piles, and the building move together during a major earthquake. Using small-scale model tests in a centrifuge test facility and numerical analysis, it seeks to derive a design method that prevents the piles from failing in shear.
*Illustrative imageRapid damage monitoring of earthquake-affected buildings
The lab is developing a system that automatically determines the degree of damage from the records of seismometers installed in buildings. It is carrying out earthquake observation in an actual municipal government building, large-scale shake-table tests using full-scale specimens, and operational trials using machine learning.
*Illustrative imageA dense earthquake observation network using smartphones
The lab aims to build a finely spaced observation network by using the accelerometers in smartphones in place of seismometers. In collaboration with local governments and boards of education, it is also working on installing them in school buildings.
MembersFaculty
The lab's members consist of faculty and master's and undergraduate students.As of 2026
- Associate ProfessorKazuhiro Hayashi
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: “February 2011 Christchurch earthquake 15” Andy Miah / CC BY-SA 2.0 (cropped)
- Advancing design methods for reinforced concrete pile foundations: “Pile wall drilling 01” Villoe / CC BY-SA 4.0 (cropped)
- Rapid damage monitoring of earthquake-affected buildings: “Structural-Health-Monitoring-Anlage im Hohlkastens der alten Nibelungenbrücke” SG-IMBTUDD / CC BY-SA 4.0 (cropped)
- A dense earthquake observation network using smartphones: “Half-collapsed wall of former Kesennuma Koyo High School” Yasu (talk) / CC BY-SA 3.0 (cropped)
- Related lab (構造安全計画
（中村 友紀子） ): “UCSD-JacobsSchool-20230406-Shake table-Tallwood-sunset-05308-DNG dxo-8MP” Jacobs School of Engineering / CC BY 2.0 (cropped) - Related lab (構造安全計画
（原田 幸博） ): “Steel Frame Commercial Building Under Construction, Ann Arbor Township, Michigan” Dwight Burdette / CC BY 3.0 (cropped) - Related lab (構造安全計画
（島田 侑子） ): “Steel skeleton fabrication - geograph.org.uk - 4033831” Stephen Middlemiss / CC BY-SA 2.0 (cropped) - Related lab (丸山喜久研究室): “Shin-Tomei Expressway 20120909” Batholith / Public domain (cropped)
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