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Numerical Analysis of Two Wooden House Damages Induced by Dune Liquefaction during the 2007 Niigata Chuetsu-Offshore Earthquake

  • Fei CaiEmail author
  • Keizo Ugai
  • Akihiko Wakai
  • Seiichiro Kuroda
  • Atsuo Onoue
  • Kunihiro Higuchi
Chapter

Abstract

Many wooden houses near a dune at Kariwa Village, Kashiwazaki City, Niigata Prefecture were damaged because of the liquefaction of the dune during the 2007 Niigata Chuetsu-offshore Earthquake, Mw = 6.8. This paper performs fully coupled dynamic finite element analysis to reproduce the ground liquefaction of two wooden houses. Here, wooden house A of which the ground was improved only using horizontal drainage pipes was fully damaged; however, wooden house B of which the ground was improved by horizontal drainage system to lower the ground water level, surface ground improvement, and steel-pipe piles was slightly deformed. For wooden house B, it was found, based on the numerical results, that steel-pipe piles were more effective liquefaction mitigation measure.

Keywords

Dune Liquefaction Numerical analysis 

References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Fei Cai
    • 1
    Email author
  • Keizo Ugai
    • 1
  • Akihiko Wakai
    • 1
  • Seiichiro Kuroda
    • 2
  • Atsuo Onoue
    • 3
  • Kunihiro Higuchi
    • 4
  1. 1.Department of Civil and Environmental EngineeringGunma UniversityKiryuJapan
  2. 2.National Agriculture & Food Research OrganizationTsukubaJapan
  3. 3.Department of Civil EngineeringNagaoka College of TechnologyNagaokaJapan
  4. 4.Kuroiwa Survey Design Office Co, LtdMaebashiJapan

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