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Hotta Lab
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A lab that investigates the true nature of concrete structures through scaled-model experiments.
AboutAbout the lab
Getting at the true nature of structures through scaled-model experiments.
The Hotta Lab's theme is to investigate the true nature of concrete structures through precise scaled-model experiments.
Within architectural structural engineering, the lab works on concrete-based composite structures and seismic structures.
It carries out precise experiments on models that are scaled-down versions of real structures, and verifies how the frames of concrete buildings behave.
Key terms
- Scaled-model experiment
- An experiment in which a scaled-down model of a real structure is built and loaded to study how it behaves
- Concrete-based composite structure
- A building frame made by combining materials with different properties, such as concrete and steel
- Seismic structure
- A building structure designed to withstand earthquake shaking
ResearchResearch themes
The lab's theme is to investigate the true nature of concrete structures through precise scaled-model experiments. Within architectural structural engineering, its subjects are concrete-based composite structures and seismic structures.
*Illustrative imageBeam elongation and earthquake shaking
When reinforced concrete beams bend greatly in an earthquake, they also elongate and shorten along their length. The lab compares how a building frame shakes with and without this effect taken into account, in order to make seismic evaluation more reliable.
*Illustrative imageColumn bases shaken in two directions
Earthquake shaking comes from two horizontal directions at the same time. To check whether the bases of columns that support a building can withstand it, the lab uses analysis to study the behavior of the bases of reinforced concrete columns bent in two directions.
MembersFaculty
- ProfessorHisato HottaPublications ↗
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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: “2 Faculty Of Pharmacy Sports and Assembly Hall View from East to West” The Chroniclers / CC BY-SA 4.0 (cropped)
- Beam elongation and earthquake shaking: “INTERIOR VIEW OF BASEMENT OF CA. 1948 FACTORY ADDITION, WITH REINFORCED CONCRETE FRAME AND FLOOR OF REINFORCED CONCRETE TEE-BEAMS, LOOKING NORTH. AT LEFT IS DEEP DRAW, HEAVY HAER ILL, 16-LEMO, 2-6” 作者不詳 / Public domain (cropped)
- Column bases shaken in two directions: “Fractured reinforced concrete column” 作者不詳 / Public domain (cropped)
- Related lab (西村研究室): “Betonstahl1” Störfix at German Wikipedia / CC BY-SA 2.0 (cropped)
- Related lab (中野研究室): “2015.04 - Amsterdam, photo of a building site - An excavation at the Sarphatistraat for a new hotel; a geotagged free urban picture, in public domain Commons CCO; city photography by Fons Heijnsbroek, The Netherlands ( )” Fons Heijnsbroek from Amsterdam, Netherlands / CC0 (cropped)
- Related lab (山崎義弘研究室): “Byggnadsstomme2” Entheta / CC BY-SA 3.0 (cropped)
- Related lab (五十嵐研究室): “Steel frame building under construction in Taiwan” SSJF01 / CC0 (cropped)
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