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Rocking Response of Free-Standing Rigid Blocks on Slopes.

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Title: Rocking Response of Free-Standing Rigid Blocks on Slopes.
Authors: Lv, Yang, Sun, Xiaohui, Ling, Jing, Chouw, Nawawi
Source: International Journal of Structural Stability & Dynamics; Sep2020, Vol. 20 Issue 09, pN.PAG-N.PAG, 23p
Subject Terms: ROCK slopes, ANALYTICAL solutions, EARTHQUAKES, MOTION
Geographic Terms: KOBE-shi (Japan)
Abstract: Structure, equipment, statue or storage cask may experience free-standing rocking on slopes because of the nonuniform settlement of the base, construction error or foundation failure. The free-standing rigid block on a slope subjected to one-sine pulse excitation and earthquake motions is examined in this paper. First, considering the free-standing rigid block on a slope, the overturning acceleration spectrum under one-sine pulse is built. The spectrum covers two overturning modes, i.e. overturning with one impact either before or after the excitation and overturning without impact. Then the influences of the slope on the overturning acceleration spectrum are discussed in depth. The analytical solution is compared with the numerical solution based on both linear and nonlinear formulations. It reveals that the safe region of the minimum overturning acceleration spectrum between mode 1 and mode 2 depends on the angle of the slope. Further, the block on a slope is subjected to the Tianjin, Kobe and Northbridge earthquake motions. By simplifying the main pulse of the motions to one-sine pulse, although the overturning acceleration spectrum fails to predict the overturning acceleration of the block subjected to real earthquake motions, it can provide some guidelines to predict the practical performance of the rocking structures. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Rocking Response of Free-Standing Rigid Blocks on Slopes.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Lv%2C+Yang%22">Lv, Yang</searchLink><br /><searchLink fieldCode="AR" term="%22Sun%2C+Xiaohui%22">Sun, Xiaohui</searchLink><br /><searchLink fieldCode="AR" term="%22Ling%2C+Jing%22">Ling, Jing</searchLink><br /><searchLink fieldCode="AR" term="%22Chouw%2C+Nawawi%22">Chouw, Nawawi</searchLink>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: International Journal of Structural Stability & Dynamics; Sep2020, Vol. 20 Issue 09, pN.PAG-N.PAG, 23p
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22ROCK+slopes%22">ROCK slopes</searchLink><br /><searchLink fieldCode="DE" term="%22ANALYTICAL+solutions%22">ANALYTICAL solutions</searchLink><br /><searchLink fieldCode="DE" term="%22EARTHQUAKES%22">EARTHQUAKES</searchLink><br /><searchLink fieldCode="DE" term="%22MOTION%22">MOTION</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22KOBE-shi+%28Japan%29%22">KOBE-shi (Japan)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Structure, equipment, statue or storage cask may experience free-standing rocking on slopes because of the nonuniform settlement of the base, construction error or foundation failure. The free-standing rigid block on a slope subjected to one-sine pulse excitation and earthquake motions is examined in this paper. First, considering the free-standing rigid block on a slope, the overturning acceleration spectrum under one-sine pulse is built. The spectrum covers two overturning modes, i.e. overturning with one impact either before or after the excitation and overturning without impact. Then the influences of the slope on the overturning acceleration spectrum are discussed in depth. The analytical solution is compared with the numerical solution based on both linear and nonlinear formulations. It reveals that the safe region of the minimum overturning acceleration spectrum between mode 1 and mode 2 depends on the angle of the slope. Further, the block on a slope is subjected to the Tianjin, Kobe and Northbridge earthquake motions. By simplifying the main pulse of the motions to one-sine pulse, although the overturning acceleration spectrum fails to predict the overturning acceleration of the block subjected to real earthquake motions, it can provide some guidelines to predict the practical performance of the rocking structures. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1142/S0219455420501114
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 23
        StartPage: N.PAG
    Subjects:
      – SubjectFull: KOBE-shi (Japan)
        Type: general
      – SubjectFull: ROCK slopes
        Type: general
      – SubjectFull: ANALYTICAL solutions
        Type: general
      – SubjectFull: EARTHQUAKES
        Type: general
      – SubjectFull: MOTION
        Type: general
    Titles:
      – TitleFull: Rocking Response of Free-Standing Rigid Blocks on Slopes.
        Type: main
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          Name:
            NameFull: Lv, Yang
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          Name:
            NameFull: Sun, Xiaohui
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          Name:
            NameFull: Ling, Jing
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          Name:
            NameFull: Chouw, Nawawi
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          Dates:
            – D: 01
              M: 09
              Text: Sep2020
              Type: published
              Y: 2020
          Identifiers:
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              Value: 02194554
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              Value: 20
            – Type: issue
              Value: 09
          Titles:
            – TitleFull: International Journal of Structural Stability & Dynamics
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