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dc.contributor.authorGratchev, Ivan
dc.contributor.authorTowhata, Ikuo
dc.date.accessioned2018-09-11T02:20:58Z
dc.date.available2018-09-11T02:20:58Z
dc.date.issued2010
dc.date.modified2011-08-19T06:42:56Z
dc.identifier.issn1612-510X
dc.identifier.doi10.1007/s10346-010-0211-2
dc.identifier.urihttp://hdl.handle.net/10072/40106
dc.description.abstractThis paper seeks to investigate the properties of volcanic soil from the Aratozawa landslide, the largest failure triggered by the 2008 Iwate-Miyagi Nairiku earthquake, Japan. The Aratozawa landslide, which extended about 1,200 m long and 800 m wide, consisted of a complex system of ridges and depressions, including a number of smaller failures that occurred within the slide body. Field investigation was carried out to study the geotechnical properties of pumice that was exposed at the scarp of two smaller slides. The pumice was found to be heavily weathered, having low dry density and high moisture content. Portable cone penetration tests were performed to evaluate the in situ properties of soil as well as to determine the thickness of the weathered zone. Laboratory examination included slake-durability tests, grain-size distribution analysis, and a series of cyclic loading triaxial compression tests conducted on undisturbed and reconstituted samples. Laboratory test data indicated that the soil had a high potential for generation of excess pore-water pressures, suggesting that liquefaction might have occurred in the weathered mass of pumice during the earthquake.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherSpringer
dc.publisher.placeGermany
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom503
dc.relation.ispartofpageto510
dc.relation.ispartofissue4
dc.relation.ispartofjournalLandslides
dc.relation.ispartofvolume7
dc.rights.retentionY
dc.subject.fieldofresearchPhysical geography and environmental geoscience
dc.subject.fieldofresearchCivil engineering
dc.subject.fieldofresearchCivil geotechnical engineering
dc.subject.fieldofresearchcode3709
dc.subject.fieldofresearchcode4005
dc.subject.fieldofresearchcode400502
dc.titleGeotechnical characteristics of volcanic soil from seismically induced Aratozawa landslide, Japan
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dc.description.versionAccepted Manuscript (AM)
gro.rights.copyright© 2010 Springer Berlin / Heidelberg. This is an electronic version of an article published in Landslides, 2010, Volume 7, Issue 4, pp 503–510. Landslides is available online at: http://link.springer.com/ with the open URL of your article.
gro.date.issued2010
gro.hasfulltextFull Text
gro.griffith.authorGratchev, Ivan


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