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Building Earthquake Engineering Lab
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The lab tests buildings all the way to collapse in order to reduce earthquake damage.
AboutAbout the lab
Protecting buildings from earthquakes.
The Building Earthquake Engineering Lab clarifies, through theory and experiments, how buildings shake and collapse during earthquakes, in order to ensure their safety against earthquakes.
By combining experiments and numerical analysis, the lab reproduces how members fail under repeated deformation and how they behave until complete collapse.
The lab aims to compile these results and use them to develop more advanced seismic design methods.
The lab belongs to the Disaster Prevention Research Institute (Uji Campus) and is also known as the Yoshiki-Kurata Lab.
Key terms
- Performance-based design
- A design method in which the performance required of a building (function, degree of damage, safety) is set first, and design proceeds while verifying that it is met
- Vibration control member
- A member built into a building that absorbs the energy of earthquake shaking and reduces sway
- Structural health
- The degree to which a building is undamaged and can continue to be used as it is
ResearchResearch themes
The lab clarifies how buildings shake and collapse in earthquakes through theory and experiments, and aims to establish more advanced seismic design methods. It is also developing techniques that reproduce large deformations at full scale, using simulation equipment that integrates experiments and numerical analysis.
*Illustrative imageTracing buildings all the way to complete collapse
To confirm safety through performance-based design, it is necessary to know numerically how a building collapses in a very large earthquake and how much it can withstand until collapse. The lab quantifies these limits using experiments that reproduce complete collapse and analysis that incorporates changes in geometry.
*Illustrative imageSeismic retrofitting with less burden
For low- to mid-rise buildings with insufficient seismic performance, the lab develops retrofitting systems that combine small, lightweight members with energy-absorbing members and can be installed without heavy machinery or open flame. It also proposes retrofitting methods for protecting historic buildings over the long term.
*Illustrative imageQuickly assessing a building's structural health after an earthquake
Diagnosing buildings right after an earthquake currently relies on visual inspection by experts. The lab is developing damage detection for steel-frame buildings using cutting-edge sensors, a wireless system for assessing structural health, and vibration control members that can record the maximum deformation they experience.
MembersFaculty
- ProfessorYoshiki Yoshiki
- Associate ProfessorMasahiro Kurata
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: “Kinematically equivalent building models on a shake-table” Shustov / CC BY-SA 3.0 (cropped)
- Tracing buildings all the way to complete collapse: “Rescue workers near the semi-collapsed ten-story Uranus Building on Xuanyuan Road after the 2024 Hualien earthquake” 總統府 / Official Photo by Shufu Liu / Office of the President Perspective correction made by Basile Morin from the original version. / CC BY 2.0 (cropped)
- Seismic retrofitting with less burden: “Seismic retrofit bolts on apartment house, LA” Downtowngal / CC BY-SA 4.0 (cropped)
- Quickly assessing a building's structural health after an earthquake: “Earthquake Damage in Malapatan, Sarangani” Malapatan Municipal Disaster Risk Reduction and Management Office / Public domain (cropped)
- Related lab (Architectural Structures Lab): “NR Dresden Seilnetzkonstruktion einer Sporthalle” Jörg Blobelt / CC BY-SA 4.0 (cropped)
- Related lab (Spatial Structure Development Engineering Lab): “Three dimensional truss construction Unic Rotarex®” Marius Rotar / CC BY-SA 4.0 (cropped)
- Related lab (Earthquake Environmental Engineering Lab): “Overview Seismic Waves” LukeTriton, Steven Earle, Mario Bačić, Lovorka Librić, Danijela Jurić Kaćunić, Meho Saša Kovačević / CC BY-SA 4.0 (cropped)
- Related lab (Building Wind Engineering Lab): “Wind Tunnel Model of One Post Office Square, Boston, by Frank Durgin, model built by Earl Wassmouth, 1979, view 1 - MIT Museum - DSC03694” Daderot / CC0 (cropped)
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