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Effects of inertia force on the dynamic behavior of Sand

Effects of inertia force on the dynamic behavior of Sand
惯性力对砂动态行为的影响
批准号：
05452239
负责人：
TOWHATA Ikuo
金额：
$4.67万
依托单位：
UNIVERSITY OF TOKYO
依托单位国家：
日本
项目类别：
Grant-in-Aid for General Scientific Research (B)
财政年份：
1993
资助国家：
日本
项目状态：
已结题
起止时间：
1993 至 1994
来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05452239/
关键词：
SandShear Strengthwodel testSubgrade reactionShaking table慣性力埋設管砂のせん断強度粒子接点力地盤反力

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中文摘要
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英文摘要
A buried pipe was pulled laterally in a dry sand deposit in order to study the effects of shaking on the subgrade reaction force. It was found that the subgrade reaction decreases when and only when the ground was shaken laterally. The extent of this force reduction was strongly dependent on the intensity of shaking, whilst minor effects of embedment, sand density, and frequency were detected. Further studies were made by using water-saturated ground in which soil liquefaction occurred during shaking. It was found that dilatancy around the moving pipe increased the subgrade reaction. However, the mechanism of dilatancy was destroyed when shaking was still on-going. The cause of the observation stated above seems to be the loss of grain contact due to the cyclic stress application.
期刊论文(20)
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会议论文
I.TOWHATA,H.TOYOTA: "Dynamic Analysis of Lateral Flow of Liquefied Ground" Japan-US Workshop on Liquefaction Contermesures and Earthquake Resistant Design of Lifeline. Proc.5.
I.TOWHATA,H.TOYOTA：“液化地面侧流动力学分析”日美液化测量与生命线抗震设计研讨会。
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通讯作者：
I.Towhata: ""Study on Earthquake Response Analysis of Ground"" Proc.Symposium on Amplification of Earthquake Motion, JSSMFE. 2-13 (1994)
I.Towhata：“地面地震反应分析研究”Proc.Symposium on Amplification of Earthquake Motion，JSSMFE。
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通讯作者：
I.TOWHATA: "Study on Earthquake Response Analysis of Ground" Proc.Symposium on Amplification of Earthquake Motion in Soft Alluvium22GD03:JSSMFE. 2-13 (1994)
I.TOWHATA：“地面地震响应分析研究”Proc.Symposium on Amplification of Earthquake Motion in Soft Alluvium22GD03：JSSMFE。
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通讯作者：
W.VARGAS-MONGE,M.YAO,I.TOWHATA: "Laboratory Experiments on the Effect of Strong Motion Upon the Shear Strength of a Dry Sand Mass" 土質工学研究発表会論文集. (予定).
W.VARGAS-MONGE、M.YAO、I.TOWHATA：“强运动对干砂体剪切强度影响的实验室实验”土壤工程研究会议论文集（计划）。
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    • 批准号：
      25900002
    • 项目类别：
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    • 资助金额：
      $13.8万
    • 财政年份：
      2013
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    • 依托单位：
      The University of Tokyo
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    • 批准号：
      22656105
    • 项目类别：
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      $2.29万
    • 财政年份：
      2010
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      TOWHATA Ikuo
    • 依托单位：
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    • 批准号：
      21246076
    • 项目类别：
      Grant-in-Aid for Scientific Research (A)
    • 资助金额：
      $26.21万
    • 财政年份：
      2009
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      The University of Tokyo
    Experimental study on effects of lateral soil flow on group pile and its application to design procedure
    • 批准号：
      16360234
    • 项目类别：
      Grant-in-Aid for Scientific Research (B)
    • 资助金额：
      $9.02万
    • 财政年份：
      2004
    • 负责人：
      TOWHATA Ikuo
    • 依托单位：
      The University of Tokyo
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