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A Parametric Study for Analyzing the Shear Lag Effect of Groove Beam with Different Tensile and Compressive Modulus Based on Transfer Matrix.

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Title: A Parametric Study for Analyzing the Shear Lag Effect of Groove Beam with Different Tensile and Compressive Modulus Based on Transfer Matrix.
Authors: Li, Bin1 12007030@hnist.edu.cn, Xing, Xuebin2 232174471@qq.com, Zeng, Yongqing1 yqzeng@hnist.edu.cn, Zhou, Xinheng3 751796632@qq.com, Lou, Hua1 12015024@hnist.edu.cn, She, Qingcong4 22017036@hnist.edu.cn
Source: Engineering Letters. Jun2026, Vol. 34 Issue 6, p2263-2273. 11p.
Subjects: Transfer matrix, Elastic modulus, Stress concentration, Structural engineering, Shear (Mechanics)
Abstract: In this paper, the transfer matrix method is adopted to investigate the shear lag effect parameters of a single-span constant-section groove beam with different tensile and compressive moduli. By controlling the elastic modulus ratio, the distribution laws of the shear lag effect for simply supported and cantilever groove beams at different section positions under uniformly distributed loads and concentrated loads are systematically analyzed. The longitudinal shear lag effect only exists in the case of positive shear lag, and the shear lag coefficient reaches its maximum value at the mid-span section. As the concentrated load position approaches the fulcrum and the elastic modulus ratio increases, the shear lag effect becomes more pronounced, which should be given special consideration in design. The influences and general trends of the main structural parameters (such as the span-to-width ratio, width-to-height ratio, width-to-thickness ratio, and plate-to-thickness ratio) on the shear lag effect of the groove beam are investigated. Among various factors, the span-to-width ratio is the most important in influencing the shear lag effect of groove beam. The smaller the span-to-width ratio, the more severe the shear lag effect. As the width-to-height ratio increases, the shear lag coefficient of the section decreases. Meanwhile, as the width-to-thickness ratio increases, the shear lag effect will also decrease. However, as the plate-to-thickness ratio increases, the shear lag coefficient increases. This indicates that, with the span-to-width ratio remaining unchanged, an increase in the stiffness of the roof slab will lead to an increase in the shear lag effect. Through the study of the shear lag effect in groove beam, the influence laws of these structural parameters on shear lag were obtained, providing a valuable reference for the design and application of groove beam. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) 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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DbLabel: Engineering Source
An: 194195707
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: A Parametric Study for Analyzing the Shear Lag Effect of Groove Beam with Different Tensile and Compressive Modulus Based on Transfer Matrix.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Bin%22">Li, Bin</searchLink><relatesTo>1</relatesTo><i> 12007030@hnist.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xing%2C+Xuebin%22">Xing, Xuebin</searchLink><relatesTo>2</relatesTo><i> 232174471@qq.com</i><br /><searchLink fieldCode="AR" term="%22Zeng%2C+Yongqing%22">Zeng, Yongqing</searchLink><relatesTo>1</relatesTo><i> yqzeng@hnist.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Xinheng%22">Zhou, Xinheng</searchLink><relatesTo>3</relatesTo><i> 751796632@qq.com</i><br /><searchLink fieldCode="AR" term="%22Lou%2C+Hua%22">Lou, Hua</searchLink><relatesTo>1</relatesTo><i> 12015024@hnist.edu.cn</i><br /><searchLink fieldCode="AR" term="%22She%2C+Qingcong%22">She, Qingcong</searchLink><relatesTo>4</relatesTo><i> 22017036@hnist.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Letters%22">Engineering Letters</searchLink>. Jun2026, Vol. 34 Issue 6, p2263-2273. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Transfer+matrix%22">Transfer matrix</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+modulus%22">Elastic modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+engineering%22">Structural engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, the transfer matrix method is adopted to investigate the shear lag effect parameters of a single-span constant-section groove beam with different tensile and compressive moduli. By controlling the elastic modulus ratio, the distribution laws of the shear lag effect for simply supported and cantilever groove beams at different section positions under uniformly distributed loads and concentrated loads are systematically analyzed. The longitudinal shear lag effect only exists in the case of positive shear lag, and the shear lag coefficient reaches its maximum value at the mid-span section. As the concentrated load position approaches the fulcrum and the elastic modulus ratio increases, the shear lag effect becomes more pronounced, which should be given special consideration in design. The influences and general trends of the main structural parameters (such as the span-to-width ratio, width-to-height ratio, width-to-thickness ratio, and plate-to-thickness ratio) on the shear lag effect of the groove beam are investigated. Among various factors, the span-to-width ratio is the most important in influencing the shear lag effect of groove beam. The smaller the span-to-width ratio, the more severe the shear lag effect. As the width-to-height ratio increases, the shear lag coefficient of the section decreases. Meanwhile, as the width-to-thickness ratio increases, the shear lag effect will also decrease. However, as the plate-to-thickness ratio increases, the shear lag coefficient increases. This indicates that, with the span-to-width ratio remaining unchanged, an increase in the stiffness of the roof slab will lead to an increase in the shear lag effect. Through the study of the shear lag effect in groove beam, the influence laws of these structural parameters on shear lag were obtained, providing a valuable reference for the design and application of groove beam. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) 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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    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 2263
    Subjects:
      – SubjectFull: Transfer matrix
        Type: general
      – SubjectFull: Elastic modulus
        Type: general
      – SubjectFull: Stress concentration
        Type: general
      – SubjectFull: Structural engineering
        Type: general
      – SubjectFull: Shear (Mechanics)
        Type: general
    Titles:
      – TitleFull: A Parametric Study for Analyzing the Shear Lag Effect of Groove Beam with Different Tensile and Compressive Modulus Based on Transfer Matrix.
        Type: main
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    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Bin
      – PersonEntity:
          Name:
            NameFull: Xing, Xuebin
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            NameFull: Zeng, Yongqing
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            NameFull: Zhou, Xinheng
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            NameFull: Lou, Hua
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            NameFull: She, Qingcong
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 34
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            – TitleFull: Engineering Letters
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