Earth bank reinforced with geosynthetics against tsunami flood learned in the 2011 great East Japan Earthquake

K. Tokida, R. Tanimoto, N. Tatta, K. Suzuki

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

In the 2011 Off the Pacific Coast of Tohoku Earthquake, many infrastructures such as sea walls etc. were destroyed severely by the tsunami flood. Based on the field survey by the authors just after the earthquake, it could be learned that the earth bank reinforced with the geosynthetics resisted the tsunami flood. In this study, the fundamental toughness of the earth bank and the effective reinforcement to improve the toughness of the earth bank against the tsunami flood have been discussed through the laboratory tests. As the results, several important lessons on the erosion characteristics of the earth bank and the effective countermeasures to improve the toughness of the earth bank against the tsunami erosion can be obtained. Finally, based on the above results, the design concept to apply the earth bank as one of the countermeasures against tsunami flood is proposed for the future.

Original languageEnglish
Title of host publication10th International Conference on Geosynthetics, ICG 2014
EditorsMartin Ziegler, Kirsten Laackmann, Gerhard Brau, Georg Heerten
PublisherDeutsche Gesellschaft fur Geotechnik e.V.
ISBN (Electronic)9783981395396
StatePublished - 2014
Event10th International Conference on Geosynthetics, ICG 2014 - Berlin, Germany
Duration: 2014/09/212014/09/25

Publication series

Name10th International Conference on Geosynthetics, ICG 2014

Conference

Conference10th International Conference on Geosynthetics, ICG 2014
Country/TerritoryGermany
CityBerlin
Period2014/09/212014/09/25

Keywords

  • Earth bank
  • Erosion
  • Geosynthetics
  • Reinforcement
  • Tsunami

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Engineering
  • Geotechnical Engineering and Engineering Geology
  • Global and Planetary Change
  • Polymers and Plastics

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