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Experimental Study on the Interface Characteristics of Reinforced Crushed Rock Cushion Layer Based on Direct Shear Tests.

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Title: Experimental Study on the Interface Characteristics of Reinforced Crushed Rock Cushion Layer Based on Direct Shear Tests.
Authors: Wang, Liangliang1,2 (AUTHOR) wlltm0304@163.com, Zhu, Qianlong1,2 (AUTHOR), Jia, Yan3 (AUTHOR), Li, Hu3 (AUTHOR)
Source: Materials (1996-1944). Sep2023, Vol. 16 Issue 17, p5858. 18p.
Subject Terms: *SHEAR strength, *ROCK deformation, *MINERAL aggregates
Abstract: Through indoor large-scale direct shear tests, the interface characteristics of the crushed rock cushions layer reinforced with ParaLink geogrid were studied. The test results indicate that the shear strength of the crushed rock aggregate and the interface strength parameters have a non-linear relationship with the normal stress. The addition of the geogrid reduces the shear strength of the crushed rock aggregate and the interface strength parameters, which is mainly due to the relatively large size, small thickness, and high smoothness of the geogrid. The reinforced geogrid has a significant impact on the deformation and fragmentation characteristics of the crushed rock aggregate. It effectively suppresses the shear contraction and shear dilation effects of the crushed rock aggregate, reducing its peak compression and peak dilation angle. Furthermore, it inhibits the tendency of particle fragmentation in the crushed rock aggregate. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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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  Label: Title
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  Data: Experimental Study on the Interface Characteristics of Reinforced Crushed Rock Cushion Layer Based on Direct Shear Tests.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Liangliang%22">Wang, Liangliang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> wlltm0304@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Qianlong%22">Zhu, Qianlong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jia%2C+Yan%22">Jia, Yan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Hu%22">Li, Hu</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Sep2023, Vol. 16 Issue 17, p5858. 18p.
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  Data: *<searchLink fieldCode="DE" term="%22SHEAR+strength%22">SHEAR strength</searchLink><br />*<searchLink fieldCode="DE" term="%22ROCK+deformation%22">ROCK deformation</searchLink><br />*<searchLink fieldCode="DE" term="%22MINERAL+aggregates%22">MINERAL aggregates</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Through indoor large-scale direct shear tests, the interface characteristics of the crushed rock cushions layer reinforced with ParaLink geogrid were studied. The test results indicate that the shear strength of the crushed rock aggregate and the interface strength parameters have a non-linear relationship with the normal stress. The addition of the geogrid reduces the shear strength of the crushed rock aggregate and the interface strength parameters, which is mainly due to the relatively large size, small thickness, and high smoothness of the geogrid. The reinforced geogrid has a significant impact on the deformation and fragmentation characteristics of the crushed rock aggregate. It effectively suppresses the shear contraction and shear dilation effects of the crushed rock aggregate, reducing its peak compression and peak dilation angle. Furthermore, it inhibits the tendency of particle fragmentation in the crushed rock aggregate. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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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      – Type: doi
        Value: 10.3390/ma16175858
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      – Code: eng
        Text: English
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        PageCount: 18
        StartPage: 5858
    Subjects:
      – SubjectFull: SHEAR strength
        Type: general
      – SubjectFull: ROCK deformation
        Type: general
      – SubjectFull: MINERAL aggregates
        Type: general
    Titles:
      – TitleFull: Experimental Study on the Interface Characteristics of Reinforced Crushed Rock Cushion Layer Based on Direct Shear Tests.
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            NameFull: Wang, Liangliang
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            NameFull: Zhu, Qianlong
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            NameFull: Jia, Yan
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            NameFull: Li, Hu
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            – D: 01
              M: 09
              Text: Sep2023
              Type: published
              Y: 2023
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              Value: 19961944
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              Value: 16
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              Value: 17
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            – TitleFull: Materials (1996-1944)
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