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A finite element model for hygrothermal analysis of masonry walls with FRP reinforcement

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Title: A finite element model for hygrothermal analysis of masonry walls with FRP reinforcement
Authors: Khoshbakht, Mehran1 mehran.khoshbakht@honeywell.com, Lin, Mark W.1, Feickert, Carl A.2
Source: Finite Elements in Analysis & Design. Jun2009, Vol. 45 Issue 8/9, p511-518. 8p.
Subjects: Finite element method, Hygrothermoelasticity, Masonry, Polymers
Abstract: Abstract: Modeling of moisture migration and heat transfer in fiber reinforced polymer (FRP) composite upgraded masonry structures is of great importance, since the interfacial adhesive between the reinforcing FRP laminate and the host masonry is prone to moisture damages. In this paper, a generic theoretical formulation was first developed to model moisture and heat transport in a layered structure consisting of distinct materials. This formulation was based on the framework of the hygrothermal model presented by Philip and De Vries for a monolithic porous medium. Finite element implementation of the formulation was subsequently used to model moisture and heat transport in an FRP reinforced masonry block. Analytical results were then compared with experimental data to validate the model. Parametric studies were then performed for a concrete block with a reinforcing FRP laminate partially covering one surface. The results showed that changing temperature gradient affects the moisture distribution considerably. This effect was found particularly significant at the concrete/FRP interface where a drastic change in local temperature gradient is present. [Copyright &y& Elsevier]
Copyright of Finite Elements in Analysis & Design 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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DbLabel: Engineering Source
An: 40631603
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A finite element model for hygrothermal analysis of masonry walls with FRP reinforcement
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  Data: <searchLink fieldCode="AR" term="%22Khoshbakht%2C+Mehran%22">Khoshbakht, Mehran</searchLink><relatesTo>1</relatesTo><i> mehran.khoshbakht@honeywell.com</i><br /><searchLink fieldCode="AR" term="%22Lin%2C+Mark+W%2E%22">Lin, Mark W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Feickert%2C+Carl+A%2E%22">Feickert, Carl A.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Finite+Elements+in+Analysis+%26+Design%22">Finite Elements in Analysis & Design</searchLink>. Jun2009, Vol. 45 Issue 8/9, p511-518. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Hygrothermoelasticity%22">Hygrothermoelasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Masonry%22">Masonry</searchLink><br /><searchLink fieldCode="DE" term="%22Polymers%22">Polymers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Modeling of moisture migration and heat transfer in fiber reinforced polymer (FRP) composite upgraded masonry structures is of great importance, since the interfacial adhesive between the reinforcing FRP laminate and the host masonry is prone to moisture damages. In this paper, a generic theoretical formulation was first developed to model moisture and heat transport in a layered structure consisting of distinct materials. This formulation was based on the framework of the hygrothermal model presented by Philip and De Vries for a monolithic porous medium. Finite element implementation of the formulation was subsequently used to model moisture and heat transport in an FRP reinforced masonry block. Analytical results were then compared with experimental data to validate the model. Parametric studies were then performed for a concrete block with a reinforcing FRP laminate partially covering one surface. The results showed that changing temperature gradient affects the moisture distribution considerably. This effect was found particularly significant at the concrete/FRP interface where a drastic change in local temperature gradient is present. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Finite Elements in Analysis & Design 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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        Value: 10.1016/j.finel.2009.02.007
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 511
    Subjects:
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Hygrothermoelasticity
        Type: general
      – SubjectFull: Masonry
        Type: general
      – SubjectFull: Polymers
        Type: general
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      – TitleFull: A finite element model for hygrothermal analysis of masonry walls with FRP reinforcement
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            NameFull: Lin, Mark W.
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              M: 06
              Text: Jun2009
              Type: published
              Y: 2009
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