{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390001205359309952.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.5610/jaee.16.4_93"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/jaee/16/4/16_4_93/_pdf"}},{"identifier":{"@type":"NAID","@value":"130005142676"}}],"dc:title":[{"@language":"ja","@value":"東北地方太平洋沖地震時の非線形地盤応答の簡易指標による評価"},{"@language":"en","@value":"Evaluation of Nonlinear Soil Response during the 2011 Off the Pacific Coast of Tohoku Earthquake by Means of a Simple Index of Soil Nonlinearity"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"We investigated the time-dependent change of soil response at three KiK-net vertical array sites for several years before and after the 2011 off the Pacific coast of Tohoku earthquake by means of a simple quantitative index of soil nonlinearity. The whole site showed significant nonlinear soil response during the mainshock of the 2011 Tohoku Earthquake. We focused on the soil response recovery process at these sites after the mainshock. The soil response characteristics at MYGH10 recovered to those before the mainshock faster than TCGH16, though both the sites were attacked by strong ground motions over 1 G during the mainshock. The soil response at FKSH14, where the spiky waveforms implying cyclic mobility were observed during the mainshock, also showed the slower recovery similar to TCGH16; the soil response recovery at these sites does not completed even three years after the mainshock. The difference of the soil response recovery at the three sites would be attributed to the difference of their soil characteristics."},{"@language":"ja","@value":"2011年東北地方太平洋沖地震の際に強震動に見舞われた3箇所のボアホール強震観測点について、東北沖地震本震とその前後数年間の地盤応答特性の経時変化を、地盤の非線形応答の簡易的な定量的指標DNLを用いて調べた。3箇所共に本震時には強い非線形応答がみられた。本震の際の最大加速度が共に1 Gを超えたMYGH10とTCGH16では、本震後のDNL値の低下やスペクトル比の回復においてMYGH10の方がTCGH16より早かった。これは地盤構造の違いに起因すると考えられる。また、最大加速度は上記2箇所より小さいが、本震時にスパイク状の波形が観測されたFKSH14は、TCGH16と同様に本震後のDNL値の低下やスペクトル比の回復が遅かった。この2箇所の地盤応答特性は、3年近く後の2014年末でも本震前の状態に完全には戻っていない。この結果は、当該地点での地盤構造が、本震前の地盤構造とは異なる状態のままであることを示唆する。以上の検討に基づき、強震動予測において重要となる地盤応答特性の地震動レベルによる変化とその回復を大量・長期間のデータを用いて定性的ながら簡便に求める手法として、DNLの有効性が確認された。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001205359309953","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000318586963"}],"foaf:name":[{"@language":"ja","@value":"野口 科子"},{"@language":"en","@value":"NOGUCHI Shinako"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Association for the Development of Earthquake Prediction"},{"@language":"ja","@value":"地震予知総合研究振興会"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001205359309954","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000318586964"}],"foaf:name":[{"@language":"ja","@value":"佐藤 浩章"},{"@language":"en","@value":"SATO Hiroaki"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Civil Engineering Research Laboratory, Central Research Institute of Electric Power Industry"},{"@language":"ja","@value":"電力中央研究所 地球工学研究所"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658328427523","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"10002148"},{"@type":"NRID","@value":"1000010002148"},{"@type":"NRID","@value":"9000000093447"},{"@type":"NRID","@value":"9000401056106"},{"@type":"NRID","@value":"9000400685029"},{"@type":"NRID","@value":"9000400685510"},{"@type":"NRID","@value":"9000016887579"},{"@type":"NRID","@value":"9000314388143"},{"@type":"NRID","@value":"9000409883996"},{"@type":"NRID","@value":"9000401288320"},{"@type":"NRID","@value":"9000401056094"},{"@type":"NRID","@value":"9000401176976"},{"@type":"NRID","@value":"9000016890940"},{"@type":"NRID","@value":"9000400681951"},{"@type":"NRID","@value":"9000400690219"},{"@type":"NRID","@value":"9000321629014"},{"@type":"NRID","@value":"9000401315160"},{"@type":"NRID","@value":"9000401243238"},{"@type":"NRID","@value":"9000391404899"},{"@type":"NRID","@value":"9000391402611"},{"@type":"NRID","@value":"9000360547410"},{"@type":"NRID","@value":"9000401057118"},{"@type":"NRID","@value":"9000401055723"},{"@type":"NRID","@value":"9000016885873"},{"@type":"NRID","@value":"9000016893695"},{"@type":"NRID","@value":"9000401362535"},{"@type":"NRID","@value":"9000401253165"},{"@type":"NRID","@value":"9000400668246"},{"@type":"NRID","@value":"9000401056716"},{"@type":"NRID","@value":"9000401054004"},{"@type":"NRID","@value":"9000006720675"},{"@type":"NRID","@value":"9000400691073"},{"@type":"NRID","@value":"9000400682140"},{"@type":"NRID","@value":"9000401389154"},{"@type":"NRID","@value":"9000254753134"},{"@type":"NRID","@value":"9000254754315"},{"@type":"NRID","@value":"9000400694678"},{"@type":"NRID","@value":"9000401052404"},{"@type":"NRID","@value":"9000400690837"},{"@type":"NRID","@value":"9000401362709"},{"@type":"NRID","@value":"9000401253066"},{"@type":"NRID","@value":"9000401056718"},{"@type":"NRID","@value":"9000318586965"},{"@type":"NRID","@value":"9000400687216"},{"@type":"NRID","@value":"9000401054854"},{"@type":"NRID","@value":"9000016885553"},{"@type":"NRID","@value":"9000331884594"},{"@type":"NRID","@value":"9000401243241"},{"@type":"NRID","@value":"9000400687210"},{"@type":"NRID","@value":"9000401055720"},{"@type":"NRID","@value":"9000401054852"},{"@type":"NRID","@value":"9000016893958"},{"@type":"NRID","@value":"9000400691070"},{"@type":"NRID","@value":"9000400690222"},{"@type":"NRID","@value":"9000401315268"},{"@type":"NRID","@value":"9000401288133"},{"@type":"NRID","@value":"9000254270763"},{"@type":"NRID","@value":"9000400694864"},{"@type":"NRID","@value":"9000401054404"},{"@type":"NRID","@value":"9000400691076"},{"@type":"NRID","@value":"9000400683305"},{"@type":"NRID","@value":"9000400681955"},{"@type":"NRID","@value":"9000401315133"},{"@type":"NRID","@value":"9000401362537"},{"@type":"NRID","@value":"9000403520202"},{"@type":"NRID","@value":"9000401056103"},{"@type":"NRID","@value":"9000315683697"},{"@type":"NRID","@value":"9000401209462"},{"@type":"NRID","@value":"9000254754521"},{"@type":"NRID","@value":"9000401056727"},{"@type":"NRID","@value":"9000400694828"},{"@type":"NRID","@value":"9000400694708"},{"@type":"NRID","@value":"9000401288214"},{"@type":"NRID","@value":"9000391402303"},{"@type":"NRID","@value":"9000254753210"},{"@type":"NRID","@value":"9000254270693"},{"@type":"NRID","@value":"9000400694734"},{"@type":"NRID","@value":"9000016893841"},{"@type":"NRID","@value":"9000400691079"},{"@type":"NRID","@value":"9000380461575"},{"@type":"NRID","@value":"9000401056100"},{"@type":"NRID","@value":"9000400694740"},{"@type":"NRID","@value":"9000016887783"},{"@type":"NRID","@value":"9000016890797"},{"@type":"NRID","@value":"9000400683313"},{"@type":"NRID","@value":"9000401314965"},{"@type":"NRID","@value":"9000391404776"},{"@type":"NRID","@value":"9000401209458"},{"@type":"NRID","@value":"9000401056729"},{"@type":"NRID","@value":"9000401056721"},{"@type":"NRID","@value":"9000016887462"},{"@type":"NRID","@value":"9000016891584"},{"@type":"NRID","@value":"9000400683308"},{"@type":"NRID","@value":"9000400682137"},{"@type":"NRID","@value":"9000401209454"},{"@type":"NRID","@value":"9000254753966"},{"@type":"NRID","@value":"9000003141489"},{"@type":"NRID","@value":"9000401056097"},{"@type":"NRID","@value":"9000400694716"},{"@type":"NRID","@value":"9000400690840"},{"@type":"NRID","@value":"9000391402904"},{"@type":"NRID","@value":"9000364799577"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0167131"}],"foaf:name":[{"@language":"ja","@value":"笹谷 努"},{"@language":"en","@value":"SASATANI Tsutomu"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18846246"},{"@type":"LISSN","@value":"18846246"}],"prism:publicationName":[{"@language":"ja","@value":"日本地震工学会論文集"},{"@language":"en","@value":"Journal of Japan Association for Earthquake Engineering"},{"@language":"en","@value":"Journal of JAEE"},{"@language":"en","@value":"J. of JAEE"},{"@language":"ja","@value":"地震工学会論文集"},{"@language":"ja","@value":"日本地震工学会論文集"}],"dc:publisher":[{"@language":"en","@value":"JAPAN ASSOCIATION FOR EARTHQUAKE ENGINEERING"},{"@language":"ja","@value":"公益社団法人 日本地震工学会"}],"prism:publicationDate":"2016","prism:volume":"16","prism:number":"4","prism:startingPage":"4_93","prism:endingPage":"4_105"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"https://www.jstage.jst.go.jp/article/jaee/16/4/16_4_93/_pdf"}],"availableAt":"2016","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Nonlinear%20Soil%20Response","dc:title":"Nonlinear Soil Response"},{"@id":"https://cir.nii.ac.jp/all?q=The%202011%20off%20the%20Pacific%20coast%20of%20Tohoku%20Earthquake","dc:title":"The 2011 off the Pacific coast of Tohoku Earthquake"},{"@id":"https://cir.nii.ac.jp/all?q=Time-dependent%20Change%20of%20Soil%20Response","dc:title":"Time-dependent Change of Soil Response"},{"@id":"https://cir.nii.ac.jp/all?q=2011%E5%B9%B4%E6%9D%B1%E5%8C%97%E5%9C%B0%E6%96%B9%E5%A4%AA%E5%B9%B3%E6%B4%8B%E6%B2%96%E5%9C%B0%E9%9C%87","dc:title":"2011年東北地方太平洋沖地震"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%9C%B0%E7%9B%A4%E3%81%AE%E9%9D%9E%E7%B7%9A%E5%BD%A2%E5%BF%9C%E7%AD%94","dc:title":"地盤の非線形応答"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%9C%B0%E7%9B%A4%E5%BF%9C%E7%AD%94%E3%81%AE%E7%B5%8C%E6%99%82%E5%A4%89%E5%8C%96","dc:title":"地盤応答の経時変化"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050306506452527360","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Cause of destructive strong ground motion within 1–2s in Mukawa town during the 2018 Mw 6.6 Hokkaido eastern Iburi earthquake"}]},{"@id":"https://cir.nii.ac.jp/crid/1360283694838203776","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Time-Lapse 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