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Numerical analysis of reinforced concrete structures with oriented steel fibers and re-bars.

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Title: Numerical analysis of reinforced concrete structures with oriented steel fibers and re-bars.
Authors: Sliseris, Janis1 janis.sliseris@gmail.com
Source: Engineering Fracture Mechanics. May2018, Vol. 194, p337-349. 13p.
Subjects: Steel bars, Reinforced concrete, Stiffness (Engineering), Fracture mechanics, Numerical analysis, Civil engineering
Abstract: In this study, a new strength and stiffness numerical analysis approach of fiber reinforced concrete with oriented fibers and re-bars is proposed. The model is based on discrete lattice simulation that is obtained from standard tetrahedron mesh. Area of cross section of lattice members is obtained by homogenization of each tetrahedron finite element. A non-linear material constitutive model that takes into account fiber orientation, concrete damage and plasticity of re-bars is proposed. Re-bars are embedded in fiber concrete lattice by using a special joint elements that are consistent with re-bar’s surface pattern. The numerical model is validated by using four-point bending test results of high performance fiber concrete with oriented fibers. Moreover, the model showed a good agreement with re-bar pull-out test results for ultra-high performance concrete with oriented fibers. The proposed model is used to analyze a ribbed concrete panel with oriented fibers and best optimal fiber orientation for three-point bending is proposed. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Fracture Mechanics is the property of Pergamon Press - An Imprint of Elsevier Science 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: 128922666
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Numerical analysis of reinforced concrete structures with oriented steel fibers and re-bars.
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  Data: <searchLink fieldCode="AR" term="%22Sliseris%2C+Janis%22">Sliseris, Janis</searchLink><relatesTo>1</relatesTo><i> janis.sliseris@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Fracture+Mechanics%22">Engineering Fracture Mechanics</searchLink>. May2018, Vol. 194, p337-349. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Steel+bars%22">Steel bars</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Stiffness+%28Engineering%29%22">Stiffness (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Civil+engineering%22">Civil engineering</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this study, a new strength and stiffness numerical analysis approach of fiber reinforced concrete with oriented fibers and re-bars is proposed. The model is based on discrete lattice simulation that is obtained from standard tetrahedron mesh. Area of cross section of lattice members is obtained by homogenization of each tetrahedron finite element. A non-linear material constitutive model that takes into account fiber orientation, concrete damage and plasticity of re-bars is proposed. Re-bars are embedded in fiber concrete lattice by using a special joint elements that are consistent with re-bar’s surface pattern. The numerical model is validated by using four-point bending test results of high performance fiber concrete with oriented fibers. Moreover, the model showed a good agreement with re-bar pull-out test results for ultra-high performance concrete with oriented fibers. The proposed model is used to analyze a ribbed concrete panel with oriented fibers and best optimal fiber orientation for three-point bending is proposed. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Fracture Mechanics is the property of Pergamon Press - An Imprint of Elsevier Science 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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    Identifiers:
      – Type: doi
        Value: 10.1016/j.engfracmech.2018.03.017
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 337
    Subjects:
      – SubjectFull: Steel bars
        Type: general
      – SubjectFull: Reinforced concrete
        Type: general
      – SubjectFull: Stiffness (Engineering)
        Type: general
      – SubjectFull: Fracture mechanics
        Type: general
      – SubjectFull: Numerical analysis
        Type: general
      – SubjectFull: Civil engineering
        Type: general
    Titles:
      – TitleFull: Numerical analysis of reinforced concrete structures with oriented steel fibers and re-bars.
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            NameFull: Sliseris, Janis
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          Dates:
            – D: 01
              M: 05
              Text: May2018
              Type: published
              Y: 2018
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              Value: 194
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            – TitleFull: Engineering Fracture Mechanics
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