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Asai Lab
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The lab evaluates the performance of buildings against earthquakes and tsunamis through experiments and damage surveys.
AboutAbout the lab
Disaster-resilient buildings, through experiments and surveys
Asai Lab studies the performance evaluation of buildings against disasters such as earthquakes and tsunamis.
The lab combines shaking table tests, which shake buildings; loading tests, which apply force to see how specimens fail; and computer-based numerical analysis.
After earthquakes, the lab also surveys damaged buildings to understand the actual state of the damage.
Key terms
- Shaking table test
- A test in which a specimen of a building or structural member is placed on a large platform and shaken to reproduce how it moves and fails in an earthquake.
- FEM analysis
- A method that divides an object into small elements and uses a computer to calculate how it deforms and fails under load.
- Non-structural components
- The parts of a building other than its structural frame, such as exterior walls, ceilings, and equipment.
NewsLab news
Damage survey of the 2026 Kumamoto Earthquake conducted jointly with the National Research Institute for Earth Science and Disaster Resilience
Komaba Research Campus Open House to be held in June
Information session for graduate admissions in the Department of Architecture announced; lab visits accepted on a rolling basis
Shaking table test conducted jointly with the National Research Institute for Earth Science and Disaster Resilience and others featured in a news release
A master's student received the Excellent Presentation Award at the Japan Association for Earthquake Engineering Annual Meeting
ResearchResearch themes
The lab studies the performance evaluation of buildings against disasters such as earthquakes and tsunamis, based on experiments, numerical analysis, and damage surveys. Its work includes shaking table tests and loading tests, surveys of damaged buildings, and developing an evaluation framework using BIM and FEM.
*Illustrative imageComprehensive evaluation of buildings' seismic performance
To evaluate structural damage, non-structural damage, and loss of building function during earthquakes together, the lab is developing an evaluation framework centered on BIM and FEM analysis.
*Illustrative imageInvestigating how reinforced concrete fails
To predict how buildings shake, the lab studies the relationship between force and deformation in structural members and how they fail. It applies loads to shear wall specimens and measures their deformation in detail with infrared cameras and optical fibers.
*Illustrative imageEvaluating earthquake damage to exterior cladding and building equipment
Even when the structural frame survives, damage to non-structural components can endanger lives and impair building function. In a research project led by organizations including the National Research Institute for Earth Science and Disaster Resilience, the lab conducted shaking table tests using full-scale specimens.
*Illustrative imageEvaluating tsunami forces on buildings
As part of a project of the Ministry of Land, Infrastructure, Transport and Tourism, the lab evaluated the tsunami forces acting on buildings based on surveys of structures damaged by tsunamis. The results are reflected in a national notification that sets requirements for tsunami evacuation buildings and similar facilities.
MembersFaculty
The members of Asai Lab consist of faculty and master's students.As of 2026
- Associate ProfessorTatsuya AsaiPublications ↗
- Project Assistant ProfessorKazuki Takaya
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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: “2010 Chile earthquake - Building destroyed in Concepción” Claudio Núñez / CC BY-SA 2.0 (cropped)
- Comprehensive evaluation of buildings' seismic performance: “Architectural BIM 3D Modeling” Archdraw / CC BY-SA 4.0 (cropped)
- Investigating how reinforced concrete fails: “Fractured reinforced concrete column” 作者不詳 / Public domain (cropped)
- Evaluating earthquake damage to exterior cladding and building equipment: “UCSD-JacobsSchool-20230406-Shake table-Tallwood-sunset-05308-DNG dxo-8MP” Jacobs School of Engineering / CC BY 2.0 (cropped)
- Evaluating tsunami forces on buildings: “Seleton Sairs onto Tsunami Evacuation Building in Fujisawa City” ウィキ太郎 (Wiki Taro) / Public domain (cropped)
- Related lab (Nakano Lab): “Fukuoka Growth Next the seismic retrofit carried out on the former Daimyō Elementary School building Fukuoka 20241231” Hirho / CC BY-SA 4.0 (cropped)
- Related lab (Tajri Lab): “Fukuoka Growth Next the seismic retrofit carried out on the former Daimyō Elementary School building Fukuoka 20241231” Hirho / CC BY-SA 4.0 (cropped)
- Related lab (Kusunoki-Maida Lab): “Burst column” Polyparadigm / Public domain (cropped)
- Related lab (Fujita Lab): “Zentsuji Zentsu-ji Garan Five-storied Pagoda 5” Zairon / CC BY 4.0 (cropped)
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