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A simple testing-analysis method to evaluate the mechanical characteristics of soils under cyclic loading.

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Title: A simple testing-analysis method to evaluate the mechanical characteristics of soils under cyclic loading.
Authors: Bazarbekova, Ayazhan1 (AUTHOR), Kim, Yong-Rak1 (AUTHOR) yong-rak.kim@tamu.edu, Little, Dallas N1 (AUTHOR), Rushing, John F.2 (AUTHOR)
Source: International Journal of Geotechnical Engineering. May2024, Vol. 18 Issue 5, p470-480. 11p.
Abstract: This study presents a simple, yet robust testing methodology employed for investigating the mechanical behaviour of soils under cyclic loading conditions. Small cylindrical specimens of soil (10.5 mm diameter and 35.0 mm high) were subjected to oscillatory torsional loading in either strain sweep or stress sweep mode using the dynamic shear rheometer. Key mechanical properties, including dynamic shear modulus, phase angle, and energy dissipation capacity, were obtained and used to effectively identify threshold strain levels which differentiated the linear, nonlinear, and damage response of the soil. This study further applied the proposed method to stabilized soils to evaluate the effects of stabilizers on improving soil stiffness, while also considering their potential effects on increasing soil brittleness, which could ultimately lead to reduced resistance to fatigue cracking. The successful development of this testing protocol has the potential to evolve into a specification-type method due to its efficiency, repeatability, sensitivity, and fundamental robustness. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Geotechnical Engineering is the property of Taylor & Francis Ltd 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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DbLabel: Engineering Source
An: 179769526
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PubTypeId: academicJournal
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  Data: A simple testing-analysis method to evaluate the mechanical characteristics of soils under cyclic loading.
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  Data: <searchLink fieldCode="AR" term="%22Bazarbekova%2C+Ayazhan%22">Bazarbekova, Ayazhan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Yong-Rak%22">Kim, Yong-Rak</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yong-rak.kim@tamu.edu</i><br /><searchLink fieldCode="AR" term="%22Little%2C+Dallas+N%22">Little, Dallas N</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rushing%2C+John+F%2E%22">Rushing, John F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Geotechnical+Engineering%22">International Journal of Geotechnical Engineering</searchLink>. May2024, Vol. 18 Issue 5, p470-480. 11p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study presents a simple, yet robust testing methodology employed for investigating the mechanical behaviour of soils under cyclic loading conditions. Small cylindrical specimens of soil (10.5 mm diameter and 35.0 mm high) were subjected to oscillatory torsional loading in either strain sweep or stress sweep mode using the dynamic shear rheometer. Key mechanical properties, including dynamic shear modulus, phase angle, and energy dissipation capacity, were obtained and used to effectively identify threshold strain levels which differentiated the linear, nonlinear, and damage response of the soil. This study further applied the proposed method to stabilized soils to evaluate the effects of stabilizers on improving soil stiffness, while also considering their potential effects on increasing soil brittleness, which could ultimately lead to reduced resistance to fatigue cracking. The successful development of this testing protocol has the potential to evolve into a specification-type method due to its efficiency, repeatability, sensitivity, and fundamental robustness. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Geotechnical Engineering is the property of Taylor & Francis Ltd 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: 10.1080/19386362.2024.2397710
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 470
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            NameFull: Bazarbekova, Ayazhan
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            NameFull: Kim, Yong-Rak
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            NameFull: Little, Dallas N
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            NameFull: Rushing, John F.
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            – D: 01
              M: 05
              Text: May2024
              Type: published
              Y: 2024
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            – TitleFull: International Journal of Geotechnical Engineering
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