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An experimental analysis about the effects of mortar joints on the efficiency of anchored CFRP-to-masonry reinforcements.

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Title: An experimental analysis about the effects of mortar joints on the efficiency of anchored CFRP-to-masonry reinforcements.
Authors: Fagone, Mario1 mario.fagone@unifi.it, Ranocchiai, Giovanna1 giovanna.ranocchiai@unifi.it, Briccoli Bati, Silvia1 silvia.briccolibati@unifi.it
Source: Composites: Part B, Engineering. Jul2015, Vol. 76, p133-148. 16p.
Subjects: Mortar, Joints (Engineering), Carbon fiber-reinforced plastics, Masonry, Structural analysis (Engineering)
Abstract: Fiber reinforced composite materials are widely used for structural rehabilitation and retrofitting of existing buildings; recent studies, devoted to Carbon Fiber Reinforced Polymers (CFRP) reinforcements of concrete structural elements [1–5], demonstrated that spike anchors are able to effectively increase the load carrying capacity and the ductility of CFRP bonded joints. However, application to masonry structures is disregarded by research since few experimental results are available. One of these, described in Refs. [6,7], compares the efficiency of a CFRP strengthening system provided with one or more CFRP spike anchors, also in dependence of some geometrical parameters; reinforcement sheets and spike anchors were applied only on the brick surface in order to evaluate the effects due to anchors only. In this paper the authors investigate the influence of mortar joints on the efficiency of anchored CFRP reinforcements on brick masonry. For this reason, an experimental campaign was planned on masonry pillars built with the same materials employed in Refs. [6,7], subjected to Near End Supported Single Shear Tests. Masonry pillars were built according to two different patterns, in order to detect the influence of both bed and perpend joints. The results are compared with results obtained from previous experimental campaign. [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: 102462571
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: An experimental analysis about the effects of mortar joints on the efficiency of anchored CFRP-to-masonry reinforcements.
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  Data: <searchLink fieldCode="AR" term="%22Fagone%2C+Mario%22">Fagone, Mario</searchLink><relatesTo>1</relatesTo><i> mario.fagone@unifi.it</i><br /><searchLink fieldCode="AR" term="%22Ranocchiai%2C+Giovanna%22">Ranocchiai, Giovanna</searchLink><relatesTo>1</relatesTo><i> giovanna.ranocchiai@unifi.it</i><br /><searchLink fieldCode="AR" term="%22Briccoli+Bati%2C+Silvia%22">Briccoli Bati, Silvia</searchLink><relatesTo>1</relatesTo><i> silvia.briccolibati@unifi.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Composites%3A+Part+B%2C+Engineering%22">Composites: Part B, Engineering</searchLink>. Jul2015, Vol. 76, p133-148. 16p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Mortar%22">Mortar</searchLink><br /><searchLink fieldCode="DE" term="%22Joints+%28Engineering%29%22">Joints (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+fiber-reinforced+plastics%22">Carbon fiber-reinforced plastics</searchLink><br /><searchLink fieldCode="DE" term="%22Masonry%22">Masonry</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+analysis+%28Engineering%29%22">Structural analysis (Engineering)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Fiber reinforced composite materials are widely used for structural rehabilitation and retrofitting of existing buildings; recent studies, devoted to Carbon Fiber Reinforced Polymers (CFRP) reinforcements of concrete structural elements [1–5], demonstrated that spike anchors are able to effectively increase the load carrying capacity and the ductility of CFRP bonded joints. However, application to masonry structures is disregarded by research since few experimental results are available. One of these, described in Refs. [6,7], compares the efficiency of a CFRP strengthening system provided with one or more CFRP spike anchors, also in dependence of some geometrical parameters; reinforcement sheets and spike anchors were applied only on the brick surface in order to evaluate the effects due to anchors only. In this paper the authors investigate the influence of mortar joints on the efficiency of anchored CFRP reinforcements on brick masonry. For this reason, an experimental campaign was planned on masonry pillars built with the same materials employed in Refs. [6,7], subjected to Near End Supported Single Shear Tests. Masonry pillars were built according to two different patterns, in order to detect the influence of both bed and perpend joints. The results are compared with results obtained from previous experimental campaign. [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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      – Type: doi
        Value: 10.1016/j.compositesb.2015.01.050
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 16
        StartPage: 133
    Subjects:
      – SubjectFull: Mortar
        Type: general
      – SubjectFull: Joints (Engineering)
        Type: general
      – SubjectFull: Carbon fiber-reinforced plastics
        Type: general
      – SubjectFull: Masonry
        Type: general
      – SubjectFull: Structural analysis (Engineering)
        Type: general
    Titles:
      – TitleFull: An experimental analysis about the effects of mortar joints on the efficiency of anchored CFRP-to-masonry reinforcements.
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            NameFull: Fagone, Mario
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            NameFull: Ranocchiai, Giovanna
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            NameFull: Briccoli Bati, Silvia
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            – D: 01
              M: 07
              Text: Jul2015
              Type: published
              Y: 2015
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              Value: 76
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            – TitleFull: Composites: Part B, Engineering
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