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Quantitative criteria and deformation-dependent model for passive soil arching in compacted clay.

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Title: Quantitative criteria and deformation-dependent model for passive soil arching in compacted clay.
Authors: Zhang, Xiao-Hu1,2 (AUTHOR), Wang, Han-Lin1,2,3 (AUTHOR) wanghanlin@hnu.edu.cn, Fu, Xiang-Shen1,2 (AUTHOR), Yin, Cheng-Shuang1,2 (AUTHOR), Long, Meng-Cheng1,2 (AUTHOR)
Source: Computers & Geotechnics. Aug2026, Vol. 196, pN.PAG-N.PAG. 1p.
Subjects: Shear strain, Soil-structure interaction, Strains & stresses (Mechanics), Soil structure, Soil compaction, Deformations (Mechanics), Effective stress (Soil mechanics)
Abstract: The passive soil arching effect is crucial for evaluating load transfer and foundation stability in underground engineering of clay strata. Three deformation patterns under passive soil arching effect in compacted clay can be identified in previous studies: the tensile-shear failure pattern, the shear failure pattern and the continuous deformation pattern. Based on critical condition analysis, quantitative criteria were developed to differentiate these deformation patterns. The proposed criteria were verified using test data. Verification results demonstrated the applicability and accuracy of the proposed criteria. A deformation-dependent model for passive soil arching in compacted clay was developed based on the three failure patterns. Relationships among the internal friction angle, cohesion, and shear strain of soil within the shear band were established. Compared with existing models, the proposed model exhibits superior performance in calculating the maximum and ultimate normalized stress factors. Furthermore, the applicability of the proposed model is supported by experimental data from the literature. In addition, the model successfully evaluates the evolution of soil stress above the loading zone with normalized loading displacement. A parametric study shows that higher fill height, narrower trapdoor width, or greater soil strength parameters enhance the passive soil arching effect significantly. These findings provide valuable insights for the evaluation of soil-structure interaction. [ABSTRACT FROM AUTHOR]
Copyright of Computers & Geotechnics 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: 193723126
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Quantitative criteria and deformation-dependent model for passive soil arching in compacted clay.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xiao-Hu%22">Zhang, Xiao-Hu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Han-Lin%22">Wang, Han-Lin</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> wanghanlin@hnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Fu%2C+Xiang-Shen%22">Fu, Xiang-Shen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yin%2C+Cheng-Shuang%22">Yin, Cheng-Shuang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Long%2C+Meng-Cheng%22">Long, Meng-Cheng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Computers+%26+Geotechnics%22">Computers & Geotechnics</searchLink>. Aug2026, Vol. 196, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Shear+strain%22">Shear strain</searchLink><br /><searchLink fieldCode="DE" term="%22Soil-structure+interaction%22">Soil-structure interaction</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+structure%22">Soil structure</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+compaction%22">Soil compaction</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Effective+stress+%28Soil+mechanics%29%22">Effective stress (Soil mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The passive soil arching effect is crucial for evaluating load transfer and foundation stability in underground engineering of clay strata. Three deformation patterns under passive soil arching effect in compacted clay can be identified in previous studies: the tensile-shear failure pattern, the shear failure pattern and the continuous deformation pattern. Based on critical condition analysis, quantitative criteria were developed to differentiate these deformation patterns. The proposed criteria were verified using test data. Verification results demonstrated the applicability and accuracy of the proposed criteria. A deformation-dependent model for passive soil arching in compacted clay was developed based on the three failure patterns. Relationships among the internal friction angle, cohesion, and shear strain of soil within the shear band were established. Compared with existing models, the proposed model exhibits superior performance in calculating the maximum and ultimate normalized stress factors. Furthermore, the applicability of the proposed model is supported by experimental data from the literature. In addition, the model successfully evaluates the evolution of soil stress above the loading zone with normalized loading displacement. A parametric study shows that higher fill height, narrower trapdoor width, or greater soil strength parameters enhance the passive soil arching effect significantly. These findings provide valuable insights for the evaluation of soil-structure interaction. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Computers & Geotechnics 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.compgeo.2026.108177
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Shear strain
        Type: general
      – SubjectFull: Soil-structure interaction
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
        Type: general
      – SubjectFull: Soil structure
        Type: general
      – SubjectFull: Soil compaction
        Type: general
      – SubjectFull: Deformations (Mechanics)
        Type: general
      – SubjectFull: Effective stress (Soil mechanics)
        Type: general
    Titles:
      – TitleFull: Quantitative criteria and deformation-dependent model for passive soil arching in compacted clay.
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          Name:
            NameFull: Zhang, Xiao-Hu
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            NameFull: Wang, Han-Lin
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            NameFull: Fu, Xiang-Shen
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            NameFull: Yin, Cheng-Shuang
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            NameFull: Long, Meng-Cheng
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            – D: 01
              M: 08
              Text: Aug2026
              Type: published
              Y: 2026
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              Value: 196
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