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On the shear failure mode of granular column embedded unit cells subjected to static and cyclic shear loads.

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Title: On the shear failure mode of granular column embedded unit cells subjected to static and cyclic shear loads.
Authors: Cengiz, Cihan1 c.cihancengiz@gmail.com, Kilic, Ismail Emrah2, Guler, Erol3
Source: Geotextiles & Geomembranes. Apr2019, Vol. 47 Issue 2, p193-202. 10p.
Subjects: Shear (Mechanics), Failure analysis, Granular flow, Statics, Stiffness (Engineering)
Abstract: Abstract Since the initial conception of geosynthetic encased columns (GECs), exhaustion of column capacity due to vertical loads in bulging and punching failure modes were readily recognized. This lead to a vast majority of the available research on GECs to be about the behavior of columns under the action of vertical loads. Recently, two other likely and perhaps more dominant failure modes for granular columns namely, shear and bending failure modes, were identified. The purpose of this paper is to study the behavior of unit cells containing ordinary stone columns (OSCs) and GECs under static and cyclic lateral loads where shear failure of the column is imminent. 1-g physical tests are conducted with a novel apparatus, designated as Unit Cell Shear Device (UCSD), to model the behavior of the unit cells located close to the toe of an embankment where OSCs and GECs experience significant lateral loading. Overall failure envelope and strength parameters for GECs with varying reinforcement stiffnesses are quantified under static and cyclic lateral loading conditions. The distribution and magnitude of reinforcement strains in horizontal (hoop) and vertical direction of the columns are also considered. [ABSTRACT FROM AUTHOR]
Copyright of Geotextiles & Geomembranes is the property of Elsevier B.V. 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 134987517
AccessLevel: 6
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PubTypeId: academicJournal
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  Data: On the shear failure mode of granular column embedded unit cells subjected to static and cyclic shear loads.
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  Data: <searchLink fieldCode="AR" term="%22Cengiz%2C+Cihan%22">Cengiz, Cihan</searchLink><relatesTo>1</relatesTo><i> c.cihancengiz@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Kilic%2C+Ismail+Emrah%22">Kilic, Ismail Emrah</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Guler%2C+Erol%22">Guler, Erol</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Geotextiles+%26+Geomembranes%22">Geotextiles & Geomembranes</searchLink>. Apr2019, Vol. 47 Issue 2, p193-202. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Failure+analysis%22">Failure analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Granular+flow%22">Granular flow</searchLink><br /><searchLink fieldCode="DE" term="%22Statics%22">Statics</searchLink><br /><searchLink fieldCode="DE" term="%22Stiffness+%28Engineering%29%22">Stiffness (Engineering)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract Since the initial conception of geosynthetic encased columns (GECs), exhaustion of column capacity due to vertical loads in bulging and punching failure modes were readily recognized. This lead to a vast majority of the available research on GECs to be about the behavior of columns under the action of vertical loads. Recently, two other likely and perhaps more dominant failure modes for granular columns namely, shear and bending failure modes, were identified. The purpose of this paper is to study the behavior of unit cells containing ordinary stone columns (OSCs) and GECs under static and cyclic lateral loads where shear failure of the column is imminent. 1-g physical tests are conducted with a novel apparatus, designated as Unit Cell Shear Device (UCSD), to model the behavior of the unit cells located close to the toe of an embankment where OSCs and GECs experience significant lateral loading. Overall failure envelope and strength parameters for GECs with varying reinforcement stiffnesses are quantified under static and cyclic lateral loading conditions. The distribution and magnitude of reinforcement strains in horizontal (hoop) and vertical direction of the columns are also considered. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Geotextiles & Geomembranes is the property of Elsevier B.V. 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:
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      – Type: doi
        Value: 10.1016/j.geotexmem.2018.12.011
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 193
    Subjects:
      – SubjectFull: Shear (Mechanics)
        Type: general
      – SubjectFull: Failure analysis
        Type: general
      – SubjectFull: Granular flow
        Type: general
      – SubjectFull: Statics
        Type: general
      – SubjectFull: Stiffness (Engineering)
        Type: general
    Titles:
      – TitleFull: On the shear failure mode of granular column embedded unit cells subjected to static and cyclic shear loads.
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            NameFull: Cengiz, Cihan
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            NameFull: Kilic, Ismail Emrah
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            NameFull: Guler, Erol
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            – D: 01
              M: 04
              Text: Apr2019
              Type: published
              Y: 2019
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              Value: 02661144
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              Value: 47
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              Value: 2
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            – TitleFull: Geotextiles & Geomembranes
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