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Experimental and Numerical Investigation of Slenderness Ratio on a Hollow Glued Bamboo Scrimber Column Under Eccentric Compression.

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Title: Experimental and Numerical Investigation of Slenderness Ratio on a Hollow Glued Bamboo Scrimber Column Under Eccentric Compression.
Authors: Yang, Yang1 (AUTHOR), Li, Fuchun1 (AUTHOR), Yao, Gang1 (AUTHOR) yaogang@cqu.edu.cn, Guo, Lin1 (AUTHOR), Yu, Xian1 (AUTHOR)
Source: Materials (1996-1944). Jun2026, Vol. 19 Issue 12, p2508. 20p.
Subjects: Bamboo, Finite element method, Compressive strength, Axial loads, Structural engineering, Anisotropy, Structural stability
Abstract: Hollow glued bamboo scrimber (HGBS), as a novel sustainable engineered bamboo material, exhibits considerable potential for structural engineering applications. To clarify the influence of slenderness ratio on the eccentric compression behavior of HGBS columns, an experimental and numerical investigation was conducted. A total of six HGBS specimens were tested under axial and eccentric compression to obtain their failure modes, load–displacement responses, and strain distribution characteristics. A detailed finite element model was developed in ABAQUS, in which bamboo scrimber was modeled as an orthotropic elasto-plastic material, while cohesive elements were employed to simulate the adhesive interfaces. The results indicate that HGBS columns subjected to eccentric compression exhibit pronounced axial force–bending moment interaction behavior. The average ultimate load under eccentric compression was only 17% of that under axial compression, demonstrating that the eccentric bending moment and second-order effects play a dominant role in reducing the load-carrying capacity. The finite element predictions agreed well with the experimental results, with deviations within 10%, confirming the reliability of the numerical model. Parametric analyses revealed that, as the slenderness ratio increased (corresponding to an increase in column height from 300 mm to 3000 mm), the ultimate load decreased from 104.17 kN to 28.20 kN, while lateral deformation and global instability became increasingly significant. The study elucidates the key influence of slenderness ratio on the eccentric compression performance of HGBS columns and provides a useful analytical basis for the design and application of engineered bamboo columns. [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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DbLabel: Engineering Source
An: 194907582
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Experimental and Numerical Investigation of Slenderness Ratio on a Hollow Glued Bamboo Scrimber Column Under Eccentric Compression.
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Yang%22">Yang, Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Fuchun%22">Li, Fuchun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Gang%22">Yao, Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yaogang@cqu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Guo%2C+Lin%22">Guo, Lin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Xian%22">Yu, Xian</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Jun2026, Vol. 19 Issue 12, p2508. 20p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Bamboo%22">Bamboo</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Axial+loads%22">Axial loads</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+engineering%22">Structural engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Anisotropy%22">Anisotropy</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+stability%22">Structural stability</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Hollow glued bamboo scrimber (HGBS), as a novel sustainable engineered bamboo material, exhibits considerable potential for structural engineering applications. To clarify the influence of slenderness ratio on the eccentric compression behavior of HGBS columns, an experimental and numerical investigation was conducted. A total of six HGBS specimens were tested under axial and eccentric compression to obtain their failure modes, load–displacement responses, and strain distribution characteristics. A detailed finite element model was developed in ABAQUS, in which bamboo scrimber was modeled as an orthotropic elasto-plastic material, while cohesive elements were employed to simulate the adhesive interfaces. The results indicate that HGBS columns subjected to eccentric compression exhibit pronounced axial force–bending moment interaction behavior. The average ultimate load under eccentric compression was only 17% of that under axial compression, demonstrating that the eccentric bending moment and second-order effects play a dominant role in reducing the load-carrying capacity. The finite element predictions agreed well with the experimental results, with deviations within 10%, confirming the reliability of the numerical model. Parametric analyses revealed that, as the slenderness ratio increased (corresponding to an increase in column height from 300 mm to 3000 mm), the ultimate load decreased from 104.17 kN to 28.20 kN, while lateral deformation and global instability became increasingly significant. The study elucidates the key influence of slenderness ratio on the eccentric compression performance of HGBS columns and provides a useful analytical basis for the design and application of engineered bamboo columns. [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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        Value: 10.3390/ma19122508
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      – Code: eng
        Text: English
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        PageCount: 20
        StartPage: 2508
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        Type: general
      – SubjectFull: Finite element method
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      – SubjectFull: Compressive strength
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      – SubjectFull: Axial loads
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      – SubjectFull: Structural engineering
        Type: general
      – SubjectFull: Anisotropy
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      – SubjectFull: Structural stability
        Type: general
    Titles:
      – TitleFull: Experimental and Numerical Investigation of Slenderness Ratio on a Hollow Glued Bamboo Scrimber Column Under Eccentric Compression.
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            NameFull: Yang, Yang
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            NameFull: Li, Fuchun
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            NameFull: Yao, Gang
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            NameFull: Yu, Xian
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            – D: 15
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 19
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