Large strain liquefaction tests using medium-size hollow cylindrical apparatus

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Other Title
  • 中型中空ねじり試験機による大ひずみ液状化試験
  • チュウガタ チュウクウ ネジリ シケンキ ニ ヨル ダイヒズミ エキジョウカ シケン

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Description

   Extremely large deformation of liquefied ground has been observed in several case histories, such as the 1964 Niigata, 1983 Nihonkai-Chubu and 1995 Hyogoken-Nanbu earthquakes in Japan. In order to study such large deformation behavior, a medium-size hollow cylindrical apparatus that can shear the specimen up to double amplitude shear strain of about 100% has been developed. With this apparatus, a series of undrained cyclic torsional shear tests was performed on saturated Toyoura sand. As a result, the limiting value of overall shear strain to initiate strain localization was found to increase with a decrease in the relative density of the specimen. [This abstract is not included in the PDF]

Journal

  • SEISAN KENKYU

    SEISAN KENKYU 60 (2), 103-106, 2008

    Institute of Industrial Science The University of Tokyo

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