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Title: Dynamic analysis of earth dam damaged by the 2011 Off the Pacific Coast of Tohoku Earthquake
Authors: Charatpangoon, Bhuddarak
Kiyono, Junji  kyouindb  KAKEN_id
Furukawa, Aiko  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-2660-7241 (unconfirmed)
Hansapinyo, Chayanon
Keywords: Earth dam
Earthquake
Finite element
Dynamic
Fujinuma dam
Issue Date: Sep-2014
Publisher: Elsevier Ltd.
Journal title: Soil Dynamics and Earthquake Engineering
Volume: 64
Start page: 50
End page: 62
Abstract: This study examines possible failure mechanisms and dynamic behavior of the Fujinuma dam, which failed following the 2011 Off the Pacific Coast of Tohoku Earthquake. The study comprises two parts: an investigation through field and laboratory experiments, and a numerical simulation of the dam. Field measurements and laboratory experiments were conducted to acquire necessary information. Microtremor observations of the surviving portion of the failed dam were performed to extract data from its dynamic characteristics. Triaxial and other laboratory tests provided information required for the analysis. For the seismic analysis, a coupled solid–fluid finite element method was applied and observed and simulated motions of the 2011 Tohoku Earthquake used as input. Mechanical behavior of the dam material was described using the Mohr–Coulomb failure criterion. Frequency and dynamic analyses were performed and dam behavior and possible failure phenomena presented. Furthermore, a comparison between the simulation results and existing facts is discussed.
Rights: © 2014 Elsevier Ltd.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/188946
DOI(Published Version): 10.1016/j.soildyn.2014.05.002
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