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Experimental Study on Damage Evolution Characteristics of Granite Under Short-Term Freeze–Thaw Cycles.

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Title: Experimental Study on Damage Evolution Characteristics of Granite Under Short-Term Freeze–Thaw Cycles.
Authors: Yang, Xianda1 (AUTHOR), Zeng, Peng1,2 (AUTHOR) zhangdong6344@163.com, Zhao, Kui1,2,3 (AUTHOR), Zhang, Dong1 (AUTHOR), Zhang, Hepeng1,2 (AUTHOR), Liang, Nan1,3 (AUTHOR), Sun, Lihui3 (AUTHOR)
Source: Materials (1996-1944). Mar2026, Vol. 19 Issue 5, p853. 25p.
Subjects: Freeze-thaw cycles, Granite, Damage models, Acoustic emission, Mechanical behavior of materials, Shear strength
Abstract: Rock engineering problems in short-term freeze–thaw zones and short-term freeze–thaw cycles can lead to a reduction in rock strength, thereby inducing engineering disasters. Granite in short-term freeze–thaw zones was selected as the research object. Taking the freezing time (1 h) required for the internal temperature of the rock to reach the target freezing temperature as the reference, freeze–thaw cycle tests with durations of 1 h, 2 h, and 3 h were carried out in sequence. Combined with uniaxial compression acoustic emission (AE) tests, the effects of freeze–thaw duration and freeze–thaw cycle number on the physical and mechanical properties and AE characteristics of the rock were systematically investigated. A multi-index damage characterization system was established. Results show that: (1) Both freeze–thaw duration and cycle number show a positive correlation with the attenuation of peak strength and elastic modulus. (2) With the increase in freeze–thaw duration and cycle number, the AE cumulative ringing count rate and cumulative energy rate show an exponential decay trend. (3) Their proportion shows an increasing trend with the increase in freeze–thaw duration and cycle number. (4) Establishing a multi-index coupled damage variable to replace the traditional single-index characterization can improve the objectivity and reliability of freeze–thaw damage assessment. [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 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: Experimental Study on Damage Evolution Characteristics of Granite Under Short-Term Freeze–Thaw Cycles.
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Xianda%22">Yang, Xianda</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Peng%22">Zeng, Peng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zhangdong6344@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Kui%22">Zhao, Kui</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Dong%22">Zhang, Dong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hepeng%22">Zhang, Hepeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Nan%22">Liang, Nan</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Lihui%22">Sun, Lihui</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Mar2026, Vol. 19 Issue 5, p853. 25p.
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  Data: <searchLink fieldCode="DE" term="%22Freeze-thaw+cycles%22">Freeze-thaw cycles</searchLink><br /><searchLink fieldCode="DE" term="%22Granite%22">Granite</searchLink><br /><searchLink fieldCode="DE" term="%22Damage+models%22">Damage models</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+emission%22">Acoustic emission</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+strength%22">Shear strength</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Rock engineering problems in short-term freeze–thaw zones and short-term freeze–thaw cycles can lead to a reduction in rock strength, thereby inducing engineering disasters. Granite in short-term freeze–thaw zones was selected as the research object. Taking the freezing time (1 h) required for the internal temperature of the rock to reach the target freezing temperature as the reference, freeze–thaw cycle tests with durations of 1 h, 2 h, and 3 h were carried out in sequence. Combined with uniaxial compression acoustic emission (AE) tests, the effects of freeze–thaw duration and freeze–thaw cycle number on the physical and mechanical properties and AE characteristics of the rock were systematically investigated. A multi-index damage characterization system was established. Results show that: (1) Both freeze–thaw duration and cycle number show a positive correlation with the attenuation of peak strength and elastic modulus. (2) With the increase in freeze–thaw duration and cycle number, the AE cumulative ringing count rate and cumulative energy rate show an exponential decay trend. (3) Their proportion shows an increasing trend with the increase in freeze–thaw duration and cycle number. (4) Establishing a multi-index coupled damage variable to replace the traditional single-index characterization can improve the objectivity and reliability of freeze–thaw damage assessment. [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 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: 10.3390/ma19050853
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 25
        StartPage: 853
    Subjects:
      – SubjectFull: Freeze-thaw cycles
        Type: general
      – SubjectFull: Granite
        Type: general
      – SubjectFull: Damage models
        Type: general
      – SubjectFull: Acoustic emission
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Shear strength
        Type: general
    Titles:
      – TitleFull: Experimental Study on Damage Evolution Characteristics of Granite Under Short-Term Freeze–Thaw Cycles.
        Type: main
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          Name:
            NameFull: Yang, Xianda
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            NameFull: Zeng, Peng
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            NameFull: Zhao, Kui
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            NameFull: Zhang, Dong
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            NameFull: Zhang, Hepeng
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            NameFull: Liang, Nan
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 19
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              Value: 5
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            – TitleFull: Materials (1996-1944)
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