Detection of Lagrangian displacements induced in seismic source regions and its implementation for land conservation
| Project/Area Number |
23246087
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Yokohama National University (2013)
The University of Tokyo (2011-2012) |
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Principal Investigator |
KONAGAI Kazuo 横浜国立大学, 都市イノベーション研究院, 教授 (50126471)
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| Co-Investigator(Kenkyū-buntansha) |
KIYOTA Takashi 東京大学, 生産技術研究所, 准教授 (70431814)
TAKEUCHI Wataru 東京大学, 生産技術研究所, 准教授 (50451878)
SEKIGUCHI Haruko 京都大学, 防災研究所, 准教授 (20357320)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥48,490,000 (Direct Cost: ¥37,300,000、Indirect Cost: ¥11,190,000)
Fiscal Year 2013: ¥12,610,000 (Direct Cost: ¥9,700,000、Indirect Cost: ¥2,910,000)
Fiscal Year 2012: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
Fiscal Year 2011: ¥23,660,000 (Direct Cost: ¥18,200,000、Indirect Cost: ¥5,460,000)
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| Keywords | ラグランジアン変位 / 国土保全 / 地形変形 / 地震断層 / 地震防災 / 液状化 |
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| Research Abstract |
Strong ground motion records are often missing or very sparsely available especially in the developing countries, discouraging all attempts for rational rehabilitation. Something that should not be forgotten in talking about rehabilitation is that a large earthquake often causes long lasting geo-technical problems, in which terrain changes are to be thoroughly studied. A method is presented to extract Lagrangian ground displacements from an available set of aerial/satellite data capturing sub-aerial topography. Its application to the Mid-Niigata Prefecture Earthquake, a well recorded and documented seismic event, has shown good correlation with the field measurements and/or observations. Also the method was used to prepare precise map of soil subsidence for Tokyo bay shore areas liquefied in the March 11th, 2011 off the Pacific Coast of Tohoku Earthquake.
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Report
(4 results)
Research Products
(40 results)
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[Journal Article] Breaching failure of a huge landslide dam formed by the 2005 Kashmir earthquake2011
Author(s)
Kiyota, T., Sattar, A., Konagai, K., Kazmi, Z.A., Okuno, D. and Ikeda, T.
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Journal Title
Soils & Foundations
Volume: Vol.51, No.6
Pages: 1179-1190
NAID
Related Report
Peer Reviewed
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[Journal Article] BREACHING FAILURE OF A HUGE LANDSLIDE DAM FORMED BY THE 2005 KASHMIR EARTHQUAKE2011
Author(s)
Kiyota, T., Sattar, A., Konagai, K., Kazmi, Z.A., Okuno, D., Ikeda, T.
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Journal Title
SOILS AND FOUNDATIONS
Volume: 51
Issue: 6
Pages: 1179-1190
DOI
NAID
ISSN
0038-0806, 1881-1418
Related Report
Peer Reviewed
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[Presentation] Soil subsidence map of the Tokyo Bay Area liquefied in the March 11th Great East Japan Earthquake, One year after the 2011 Great East Japan Earthquake2012
Author(s)
Konagai, K., Asakura, T., Suyama, S., Kyokawa, H., Kiyota, T., Eto, C. and Shibuya, K.
Organizer
International Symposium on Engineering Lessons Learned from the Giant Earthquake
Place of Presentation
(B8)
Related Report
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