STUDY ON THE LOAD ACTING MODEL OF SEISMIC MEASURES FOR SPECIAL LEVEES OF RIVER BY DYNAMIC CENTRIFUGE TESTS

  • KAJIO Tatsushi
    国土交通省 国土技術政策総合研究所 国土防災研究室
  • TANIMOTO Shunsuke
    国立研究開発法人土木研究所 地質・地盤研究グループ 土質・振動チーム
  • KATAOKA Shojiro
    国土交通省 国土技術政策総合研究所 国土防災研究室
  • MATSUMOTO Koji
    国土交通省 国土技術政策総合研究所 国土防災研究室
  • SASAKI Tetsuya
    国立研究開発法人土木研究所 地質・地盤研究グループ 土質・振動チーム
  • SHOJI Gaku
    筑波大学大学院 システム情報工学研究科

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Other Title
  • 動的遠心模型実験による河川特殊堤の耐震対策工の作用力モデルに関する考察

Description

 Since we have concerned about the occurrence of large earthquakes in Tokyo area and Nankai trough, we are examining seismic measures for special levees in the city center as with general embankments. However, the detailed research of the special levees behavior induced by earthquake has not been promoted enough until now. In this study, in order to verify the applicability of the current design methods and investigate effective seismic measures for special levees, we conducted dynamic centrifuge experiments. Comparison between the designed and experimental values of the load acting on the seismic measures by soil improvement revealed problems in the current design method of the seismic measures.

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