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Proposal of Reasonable Fill Construction Management Index in Fill Loading with Vacuum Consolidation Method Based on FEM Analyses


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タイトル: Proposal of Reasonable Fill Construction Management Index in Fill Loading with Vacuum Consolidation Method Based on FEM Analyses
著者: Shahiduzzaman, Mohammad / Tanabashi, Yoshihiko / Kawabata, Hitoshi / Iwanaga, Kenji / Jiang, Yujing / Sugimoto, Satoshi
発行日: 2009年 1月
出版者: 長崎大学工学部
引用: 長崎大学工学部研究報告 Vol.39(72), pp.44-51; 2009
抄録: Vacuum consolidation method (VCM) is one of the recent methods for the improvement of soft ground. This method can forcibly drain pore water, and increase ground strength by loading of the vacuum pressure. A fill loading with vacuum consolidation method (FLVCM) is considered to be able to control lateral flow and upheaval of surrounding area during the rapid fill construction. However, the behavior of this combination on the ground deformation is not fully clarified on FLVCM, fill design and site management is depending on the experienced technique. In this study, numerical simulation has been carried out by finite element method (FEM) for the quantitative evaluation of the deformation suppression effect of FLVCM on the soft grounds of ariake clay, Japan. The utility of FLVCM was confirmed from comparison with the observed and the analytical ground deformation. In addition, the numerical simulation have been carried out under the various conditions of vacuum preand post-loading pressures and fill speeds, and it is suggested that the reasonable construction management index can be easily obtained by the site measurement of deformation.
キーワード: FEM,Lateral displacement / Settlement / Soft clay / Vacuum consolidation method
URI: http://hdl.handle.net/10069/20937
関連リンク : http://www.lb.nagasaki-u.ac.jp/reports/kougaku/preview.php?id=77
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第39巻 第72号

引用URI : http://hdl.handle.net/10069/20937

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