Studies on the fluctuation characteristics of non-linear pile group coefficient

Katsuichirou Hijikata, Kazuhiro Ihara, Fumio Yagishita, Tatsuya Mase

研究成果: Article

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This paper presents the fluctuation characteristics of non-linear pile group coefficient. In this study, by evaluating the nonlinear influence coefficients between two piles, we have set up a non-linear pile group coefficient evaluation method which can evaluate non-linearity of soil between and around piles. This method is based on the pile group coefficient expressions which we proposed for the elastic soil in the past. The fluctuation characteristics of non-linear pile group coefficient obtained with this method was confirmed that it corresponds well to that of the analysis results of the three-dimensional finite element method. Based on this knowledge, we elucidated the phenomenon that with pile head displacement increases, the value of the pile group coefficient increases at first, but this value starts to decrease in the later.

元の言語English
ページ(範囲)411-418
ページ数8
ジャーナルJournal of Structural and Construction Engineering
80
発行部数709
出版物ステータスPublished - 2015

ASJC Scopus subject areas

  • Building and Construction
  • Architecture

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