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Impact Resistance of Steel Fiber All‐Lightweight Concrete Beams Based on the Effect of Fiber Type.

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Title: Impact Resistance of Steel Fiber All‐Lightweight Concrete Beams Based on the Effect of Fiber Type.
Authors: Wang, XiuLi1 (AUTHOR) wangxiuli@jlju.edu.cn, Zheng, Ao1 (AUTHOR), Chang, Ya1 (AUTHOR), Li, Yongqi1 (AUTHOR), Minghini, Fabio1 (AUTHOR) mngfba1@unife.it
Source: Shock & Vibration. 2/27/2026, Vol. 2026, p1-13. 13p.
Subjects: Fiber-reinforced concrete, Impact testing, Lightweight concrete, Mechanical behavior of materials, Impact strength, Stiffness (Engineering), Crack propagation
Abstract: The mechanical performance of all‐lightweight concrete (ALC) structures can be significantly improved through the incorporation of steel fibers. However, research on the dynamic response of steel fiber–reinforced all‐lightweight concrete (SFALC) structures under impact loading remains limited. This study systematically investigates the impact resistance of SFALC beams reinforced with flat and corrugated steel fibers through drop hammer impact tests. Five SFALC beams were specifically designed and tested to analyze the effects of different fiber geometries on their impact performance. Experimental results demonstrate that both flat and corrugated steel fibers enhance the structural stiffness, mitigate crack initiation and propagation, shorten the duration of the initial impact peak, and reduce peak and residual displacements, thereby improving overall damage resistance. Notably, corrugated steel fibers exhibit superior efficacy in mitigating impact‐induced damage, reducing peak impact force, and enhancing the structural integrity of the beams compared to flat fibers. As the impact velocity increases, both types of specimens exhibit pronounced local punching failure. However, beams reinforced with corrugated steel fibers experience significantly reduced punching damage, indicating superior impact resistance. These findings provide valuable insights into optimizing the design of high‐performance ALC structures for impact‐resistant applications. [ABSTRACT FROM AUTHOR]
Copyright of Shock & Vibration 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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Header DbId: egs
DbLabel: Engineering Source
An: 191985606
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Impact Resistance of Steel Fiber All‐Lightweight Concrete Beams Based on the Effect of Fiber Type.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+XiuLi%22">Wang, XiuLi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wangxiuli@jlju.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Ao%22">Zheng, Ao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Ya%22">Chang, Ya</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Yongqi%22">Li, Yongqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Minghini%2C+Fabio%22">Minghini, Fabio</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mngfba1@unife.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Shock+%26+Vibration%22">Shock & Vibration</searchLink>. 2/27/2026, Vol. 2026, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Fiber-reinforced+concrete%22">Fiber-reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+testing%22">Impact testing</searchLink><br /><searchLink fieldCode="DE" term="%22Lightweight+concrete%22">Lightweight concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+strength%22">Impact strength</searchLink><br /><searchLink fieldCode="DE" term="%22Stiffness+%28Engineering%29%22">Stiffness (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Crack+propagation%22">Crack propagation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The mechanical performance of all‐lightweight concrete (ALC) structures can be significantly improved through the incorporation of steel fibers. However, research on the dynamic response of steel fiber–reinforced all‐lightweight concrete (SFALC) structures under impact loading remains limited. This study systematically investigates the impact resistance of SFALC beams reinforced with flat and corrugated steel fibers through drop hammer impact tests. Five SFALC beams were specifically designed and tested to analyze the effects of different fiber geometries on their impact performance. Experimental results demonstrate that both flat and corrugated steel fibers enhance the structural stiffness, mitigate crack initiation and propagation, shorten the duration of the initial impact peak, and reduce peak and residual displacements, thereby improving overall damage resistance. Notably, corrugated steel fibers exhibit superior efficacy in mitigating impact‐induced damage, reducing peak impact force, and enhancing the structural integrity of the beams compared to flat fibers. As the impact velocity increases, both types of specimens exhibit pronounced local punching failure. However, beams reinforced with corrugated steel fibers experience significantly reduced punching damage, indicating superior impact resistance. These findings provide valuable insights into optimizing the design of high‐performance ALC structures for impact‐resistant applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Shock & Vibration 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/vib/4907693
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Fiber-reinforced concrete
        Type: general
      – SubjectFull: Impact testing
        Type: general
      – SubjectFull: Lightweight concrete
        Type: general
      – SubjectFull: Mechanical behavior of materials
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      – SubjectFull: Impact strength
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      – SubjectFull: Stiffness (Engineering)
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      – SubjectFull: Crack propagation
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    Titles:
      – TitleFull: Impact Resistance of Steel Fiber All‐Lightweight Concrete Beams Based on the Effect of Fiber Type.
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            NameFull: Wang, XiuLi
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            NameFull: Zheng, Ao
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            NameFull: Chang, Ya
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            – D: 27
              M: 02
              Text: 2/27/2026
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              Y: 2026
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