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Modelling of the bond behaviour of curved masonry specimens strengthened by CFRP with anchor spikes.

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Title: Modelling of the bond behaviour of curved masonry specimens strengthened by CFRP with anchor spikes.
Authors: Grande, Ernesto1 (AUTHOR), Fagone, Mario2 (AUTHOR), Rotunno, Tommaso3 (AUTHOR), Bertolesi, Elisa4 (AUTHOR), Milani, Gabriele1,5 (AUTHOR) gabriele.milani@polimi.it
Source: Composites: Part B, Engineering. Aug2019, Vol. 171, p235-245. 11p.
Subjects: Masonry, Anchors, Arches, Shearing force, Numerical analysis
Abstract: Aim of the present paper is the proposal of a simple modeling approach for the numerical simulation of the bond behavior of masonry specimens externally strengthened by FRP strips equipped with anchor spikes. The model is based on a simple 1D-schematization of specimens, previously proposed by the authors and based on the use of linear and nonlinear spring elements schematizing the support, the FRP, the masonry/FRP interface. The approach here proposed specifically considers the coupled behavior between shear and normal stresses arising at the masonry/FRP interface level and, moreover, it introduces constitutive laws for modeling local failure mechanisms involving the anchor. The parameter setting procedure presented in the paper is indeed devoted to implicitly consider the contribution of the anchor and its interaction with the masonry support, directly at the FRP/masonry interface level. This allows to reduce computational efforts while preserving a good reliability level of the model. The validation of the proposed modeling approach is here carried out by considering experimental tests performed by the authors and available in the current literature. The results obtained from the numerical analyses reported in the paper show both the reliability of the proposed approach to capture the experimental behavior and, moreover, its efficacy for investigating the role of the anchor on the bond behavior of the strengthening system. [ABSTRACT FROM AUTHOR]
Copyright of Composites: Part B, Engineering 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: 139238604
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Modelling of the bond behaviour of curved masonry specimens strengthened by CFRP with anchor spikes.
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  Data: <searchLink fieldCode="AR" term="%22Grande%2C+Ernesto%22">Grande, Ernesto</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fagone%2C+Mario%22">Fagone, Mario</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rotunno%2C+Tommaso%22">Rotunno, Tommaso</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bertolesi%2C+Elisa%22">Bertolesi, Elisa</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Milani%2C+Gabriele%22">Milani, Gabriele</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<i> gabriele.milani@polimi.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Composites%3A+Part+B%2C+Engineering%22">Composites: Part B, Engineering</searchLink>. Aug2019, Vol. 171, p235-245. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Masonry%22">Masonry</searchLink><br /><searchLink fieldCode="DE" term="%22Anchors%22">Anchors</searchLink><br /><searchLink fieldCode="DE" term="%22Arches%22">Arches</searchLink><br /><searchLink fieldCode="DE" term="%22Shearing+force%22">Shearing force</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Aim of the present paper is the proposal of a simple modeling approach for the numerical simulation of the bond behavior of masonry specimens externally strengthened by FRP strips equipped with anchor spikes. The model is based on a simple 1D-schematization of specimens, previously proposed by the authors and based on the use of linear and nonlinear spring elements schematizing the support, the FRP, the masonry/FRP interface. The approach here proposed specifically considers the coupled behavior between shear and normal stresses arising at the masonry/FRP interface level and, moreover, it introduces constitutive laws for modeling local failure mechanisms involving the anchor. The parameter setting procedure presented in the paper is indeed devoted to implicitly consider the contribution of the anchor and its interaction with the masonry support, directly at the FRP/masonry interface level. This allows to reduce computational efforts while preserving a good reliability level of the model. The validation of the proposed modeling approach is here carried out by considering experimental tests performed by the authors and available in the current literature. The results obtained from the numerical analyses reported in the paper show both the reliability of the proposed approach to capture the experimental behavior and, moreover, its efficacy for investigating the role of the anchor on the bond behavior of the strengthening system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Composites: Part B, Engineering 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.compositesb.2019.04.027
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 235
    Subjects:
      – SubjectFull: Masonry
        Type: general
      – SubjectFull: Anchors
        Type: general
      – SubjectFull: Arches
        Type: general
      – SubjectFull: Shearing force
        Type: general
      – SubjectFull: Numerical analysis
        Type: general
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      – TitleFull: Modelling of the bond behaviour of curved masonry specimens strengthened by CFRP with anchor spikes.
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            NameFull: Grande, Ernesto
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            NameFull: Fagone, Mario
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            NameFull: Rotunno, Tommaso
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            NameFull: Bertolesi, Elisa
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            NameFull: Milani, Gabriele
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            – D: 15
              M: 08
              Text: Aug2019
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              Y: 2019
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              Value: 171
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