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Strong-Motion Characteristics and Visual Damage Assessment Around Seismic Stations in Kathmandu After the 2015 Gorkha, Nepal, Earthquake

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Title: Strong-Motion Characteristics and Visual Damage Assessment Around Seismic Stations in Kathmandu After the 2015 Gorkha, Nepal, Earthquake
Authors: Bijukchhen, Subeg Browse this author
Takai, Nobuo Browse this author →KAKEN DB
Shigefuji, Michiko Browse this author
Ichiyanagi, Masayoshi Browse this author
Sasatani, Tsutomu Browse this author →KAKEN DB
Issue Date: Dec-2017
Publisher: Earthquake Engineering Research Institute
Journal Title: Earthquake Spectra
Volume: 33
Issue: S1
Start Page: S219
End Page: S242
Publisher DOI: 10.1193/042916EQS074M
Abstract: A rapid visual damage assessment of buildings around four strong-motion seismic stations in Kathmandu Valley was carried out after the damaging Gorkha, Nepal earthquake (Mw7.8) of 25 April 2015. The waveforms of the main shock recorded at these stations were compared with the damage to buildings around the stations. The damage was found to be related to strong-motion characteristics of the earthquake. A dominance of long-period oscillation could be observed in the records. The damage to low-rise buildings in the valley was less than anticipated from an earthquake of this magnitude given that the majority of buildings were built without proper engineering consideration. The acceleration response spectra of one of the sedimentary sites show high response in the 1–2 s period range, and nearly 10% of the buildings, which were all low-rise, suffered damage around this site.
Rights: Copyright 2017 Earthquake Engineering Research Institute. This article may be downloaded for personal use only. Any other use requires prior permission of the Earthquake Engineering Research Institute.
Type: article (author version)
URI: http://hdl.handle.net/2115/68216
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 高井 伸雄

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