Effect of damping of pore water on three dimensional nonlinear seismic response analysis of ground

Hiroyuki Yoshida, Kohji Tokimatsu, Yasushi Nukui, Katsuichirou Hijikata

Research output: Contribution to journalArticle

Abstract

Three-dimensional nonlinear seismic response analysis of ground was presented in which any special engineering judgment to determine analytical parameters of the ground was not required. To examine the effectiveness of the method, the vertical array strong motions recorded in Kashiwazaki Kariwa Nuclear Power Station during the 2007 Niigata-ken Chuetsuoki earthquake was simulated. When using only hysteresis damping due to shearing deformation in the analysis, the vertical motion showed an excessive response due probably to the resonance of the pore water. When a damping of about 10% was given to the pore water, in contrast, the analysis was able to reproduce the observed three-dimensional ground motion with a reasonable degree of accuracy.

Original languageEnglish
Pages (from-to)1741-1749
Number of pages9
JournalJournal of Structural and Construction Engineering
Volume74
Issue number644
DOIs
Publication statusPublished - 2009 Oct
Externally publishedYes

Fingerprint

Seismic response
Damping
Shearing
Nuclear power plants
Hysteresis
Water
Earthquakes

Keywords

  • 3-directional inputs
  • Damping
  • Downhole array records
  • Nonlinear
  • Seismic response analysis
  • The 2007 Niigata-ken Chuetsuoki earthquake

ASJC Scopus subject areas

  • Building and Construction
  • Architecture

Cite this

Effect of damping of pore water on three dimensional nonlinear seismic response analysis of ground. / Yoshida, Hiroyuki; Tokimatsu, Kohji; Nukui, Yasushi; Hijikata, Katsuichirou.

In: Journal of Structural and Construction Engineering, Vol. 74, No. 644, 10.2009, p. 1741-1749.

Research output: Contribution to journalArticle

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