Abstract
This paper presents an examination the Aso-bridge slope subjected to the foreshocks of the 2016 Kumamoto earthquakes. While the Aso-bridge slope was marginal stable in the absence of earthquake, it remained stable during the foreshocks that struck on April 14 and 15 2016, with magnitudes of 6.5 and 6.4 Mw, respectively. To validate that the slope did not fail during the foreshocks and the applicability of an enhanced FS method capable of determining the initiation time of co-seismic landslides, relationships between the Aso-bridge slope and the nearest recorded seismic signals, including the main-shock and the foreshocks, were investigated. It was found that the two foreshocks, having PGAs of 43.0 and 129.7 gal, were not strong enough to cause failure of the slope. They were not strong enough mainly because of the smaller magnitude as compared to the main-shock of 7.0 Mw with a PGA of 508.9 gal, leading to a significant difference in the PGAs. The study demonstrates that the enhanced FS method can be one efficient and practical alternative for determining large-scale co-seismic landslides.
| Original language | English |
|---|---|
| Pages (from-to) | 511-517 |
| Number of pages | 7 |
| Journal | Springer Series in Geomechanics and Geoengineering |
| Issue number | 204379 |
| DOIs | |
| Publication status | Published - 2018 Jan 1 |
| Event | 2nd International Symposium on Asia Urban GeoEngineering, 2017 - Changsha, China Duration: 2017 Nov 24 → 2017 Nov 27 |
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All Science Journal Classification (ASJC) codes
- Geotechnical Engineering and Engineering Geology
- Mechanics of Materials
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Effect of Foreshocks of the 2016 Kumamoto Earthquakes on the Aso-Bridge Slope. / Hung, C.; Hsiung, B. C.B.; Yang, K. H.; Ge, L.
In: Springer Series in Geomechanics and Geoengineering, No. 204379, 01.01.2018, p. 511-517.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - Effect of Foreshocks of the 2016 Kumamoto Earthquakes on the Aso-Bridge Slope
AU - Hung, C.
AU - Hsiung, B. C.B.
AU - Yang, K. H.
AU - Ge, L.
PY - 2018/1/1
Y1 - 2018/1/1
N2 - This paper presents an examination the Aso-bridge slope subjected to the foreshocks of the 2016 Kumamoto earthquakes. While the Aso-bridge slope was marginal stable in the absence of earthquake, it remained stable during the foreshocks that struck on April 14 and 15 2016, with magnitudes of 6.5 and 6.4 Mw, respectively. To validate that the slope did not fail during the foreshocks and the applicability of an enhanced FS method capable of determining the initiation time of co-seismic landslides, relationships between the Aso-bridge slope and the nearest recorded seismic signals, including the main-shock and the foreshocks, were investigated. It was found that the two foreshocks, having PGAs of 43.0 and 129.7 gal, were not strong enough to cause failure of the slope. They were not strong enough mainly because of the smaller magnitude as compared to the main-shock of 7.0 Mw with a PGA of 508.9 gal, leading to a significant difference in the PGAs. The study demonstrates that the enhanced FS method can be one efficient and practical alternative for determining large-scale co-seismic landslides.
AB - This paper presents an examination the Aso-bridge slope subjected to the foreshocks of the 2016 Kumamoto earthquakes. While the Aso-bridge slope was marginal stable in the absence of earthquake, it remained stable during the foreshocks that struck on April 14 and 15 2016, with magnitudes of 6.5 and 6.4 Mw, respectively. To validate that the slope did not fail during the foreshocks and the applicability of an enhanced FS method capable of determining the initiation time of co-seismic landslides, relationships between the Aso-bridge slope and the nearest recorded seismic signals, including the main-shock and the foreshocks, were investigated. It was found that the two foreshocks, having PGAs of 43.0 and 129.7 gal, were not strong enough to cause failure of the slope. They were not strong enough mainly because of the smaller magnitude as compared to the main-shock of 7.0 Mw with a PGA of 508.9 gal, leading to a significant difference in the PGAs. The study demonstrates that the enhanced FS method can be one efficient and practical alternative for determining large-scale co-seismic landslides.
UR - http://www.scopus.com/inward/record.url?scp=85034235553&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85034235553&partnerID=8YFLogxK
U2 - 10.1007/978-981-10-6632-0_39
DO - 10.1007/978-981-10-6632-0_39
M3 - Conference article
AN - SCOPUS:85034235553
SP - 511
EP - 517
JO - Springer Series in Geomechanics and Geoengineering
JF - Springer Series in Geomechanics and Geoengineering
SN - 1866-8755
IS - 204379
ER -