2016 Fiscal Year Final Research Report
Effective and economical slope disaster prevention strategy for reduction of isolated areas and period after strong earthquake
| Project/Area Number |
26420466
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Structural engineering/Earthquake engineering/Maintenance management engineering
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| Research Institution | Hosei University |
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Principal Investigator |
SAKAI Hisakazu 法政大学, デザイン工学部, 教授 (00360371)
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| Research Collaborator |
IKEDA Yuji
SHIMANAKA Takashi
NOBATA Takuya
TAKEZAWA Mai
NAITO Masaki
FUJINAMI Yusei
NISHIDA Keisuike
OKAMOTO Ryota
AIZAWA Rui
KONNO Reo
ISHIKAWA Daichi
IBUKI Ryuichi
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Keywords | 斜面崩壊 / 道路ネットワーク / 地震 / 孤立 |
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| Outline of Final Research Achievements |
(1)We proposed some equations of probability on slope collapse during strong earthquake based on the slope damages during the 1995 Kobe, the 2004 Chuetsu, the 2014 Kamishiro fault and the 2016 Kumamoto earthquakes, as well as the road disaster prevention check data. We indicated the validation for the isolated areas assessment in the southern Wakayama and the northern Nagano by using the results of statistical analysis for the relationship between the slope damage probability and the road damage.
(2)We conducted twice field surveys at Aratozawa where one of the largest landslide in Japan occurred during the 2008 Iwate-Miyagi inland earthquake, and laboratory tests of the soil and the rock samples. Based on the test results, we performed three dimensional Smoothed Particle Hydrodynamics analyses for the landslide. We also improved the methodologies of time integration and damping calculation for analytical stability and accuracy.
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| Free Research Field |
地盤地震工学
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