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The Mechanism of Crack Initiation and Propagation in Fissured Rock Mass Under the Influence of Opening Degree.

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Title: The Mechanism of Crack Initiation and Propagation in Fissured Rock Mass Under the Influence of Opening Degree.
Authors: Zeng, Jiajun1 (AUTHOR) zengjiajun93@163.com, Wang, Qiyun1 (AUTHOR), Zeng, Qiang1 (AUTHOR), Yang, Zhicheng1 (AUTHOR), Wu, Wenbing1 (AUTHOR) zjuwwb1126@163.com
Source: Advances in Civil Engineering. 1/10/2025, Vol. 2025, p1-13. 13p.
Subjects: Failure mode & effects analysis, Compression fractures, Mechanical failures, Geotechnical engineering, Crack propagation, Rock deformation
Abstract: In this paper, a single‐fissure rock‐like specimen with various openings is manually prepared for uniaxial compression fracture testing, and the fracture failure mechanical characteristics and crack initiation failure modes of the rock‐like material under the influence of both the fissure openness and the dip angle are studied. First, the evolution law of peak strength and elastic model of fissured rock mass under the combined influence of fissure dip angle and opening degree was analyzed. Second, the evolution mechanism of the crack initiation mode of fissured rock mass caused by changes in opening degree under different fissure dip angles was explored. Finally, the characteristics of failure modes of fissured rock mass affected by opening degree were analyzed. The research results have a certain guiding significance for exploring the mechanical characteristics and fracture evolution mechanism of rock masses with different opening degrees in geotechnical engineering. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Civil Engineering is the property of Wiley-Blackwell 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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PubType: Academic Journal
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  Data: The Mechanism of Crack Initiation and Propagation in Fissured Rock Mass Under the Influence of Opening Degree.
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  Data: <searchLink fieldCode="AR" term="%22Zeng%2C+Jiajun%22">Zeng, Jiajun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zengjiajun93@163.com</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Qiyun%22">Wang, Qiyun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Qiang%22">Zeng, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Zhicheng%22">Yang, Zhicheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Wenbing%22">Wu, Wenbing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zjuwwb1126@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Civil+Engineering%22">Advances in Civil Engineering</searchLink>. 1/10/2025, Vol. 2025, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Failure+mode+%26+effects+analysis%22">Failure mode & effects analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Compression+fractures%22">Compression fractures</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+failures%22">Mechanical failures</searchLink><br /><searchLink fieldCode="DE" term="%22Geotechnical+engineering%22">Geotechnical engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Crack+propagation%22">Crack propagation</searchLink><br /><searchLink fieldCode="DE" term="%22Rock+deformation%22">Rock deformation</searchLink>
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  Data: In this paper, a single‐fissure rock‐like specimen with various openings is manually prepared for uniaxial compression fracture testing, and the fracture failure mechanical characteristics and crack initiation failure modes of the rock‐like material under the influence of both the fissure openness and the dip angle are studied. First, the evolution law of peak strength and elastic model of fissured rock mass under the combined influence of fissure dip angle and opening degree was analyzed. Second, the evolution mechanism of the crack initiation mode of fissured rock mass caused by changes in opening degree under different fissure dip angles was explored. Finally, the characteristics of failure modes of fissured rock mass affected by opening degree were analyzed. The research results have a certain guiding significance for exploring the mechanical characteristics and fracture evolution mechanism of rock masses with different opening degrees in geotechnical engineering. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Advances in Civil Engineering is the property of Wiley-Blackwell 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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        Value: 10.1155/adce/8841262
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Failure mode & effects analysis
        Type: general
      – SubjectFull: Compression fractures
        Type: general
      – SubjectFull: Mechanical failures
        Type: general
      – SubjectFull: Geotechnical engineering
        Type: general
      – SubjectFull: Crack propagation
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      – SubjectFull: Rock deformation
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              Text: 1/10/2025
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              Y: 2025
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