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Full-range bondstress-slip model for externally bonded FRP plates including a frictional component

Bondstress-slip models of externally bonded FRP plates have long been quantified using push/pull shear tests in which the bonded joint is slightly greater than the effective length of the plate. This inhibits the formation of a frictional component that may arise in long bonded joints. Moreover, pre...

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Main Authors: El-Zeadani, Mohamed, Muhammad Rashid, Raizal Saifulnaz, Amran, Mugahed
Format: Article
Language:English
Published: Elsevier 2021
Online Access:http://psasir.upm.edu.my/id/eprint/97398/1/ABSTRACT.pdf
http://psasir.upm.edu.my/id/eprint/97398/
https://www.sciencedirect.com/science/article/pii/S0263822320332980
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spelling my.upm.eprints.973982022-08-25T08:00:58Z http://psasir.upm.edu.my/id/eprint/97398/ Full-range bondstress-slip model for externally bonded FRP plates including a frictional component El-Zeadani, Mohamed Muhammad Rashid, Raizal Saifulnaz Amran, Mugahed Bondstress-slip models of externally bonded FRP plates have long been quantified using push/pull shear tests in which the bonded joint is slightly greater than the effective length of the plate. This inhibits the formation of a frictional component that may arise in long bonded joints. Moreover, previous researchers have used several factors to represent the bondstress-slip model parameters which gave a rise to a number of models. With that in mind, the first aim of this study was to assess the factors that affect the bondstress-slip parameters (τmax, δ1 and δmax), and to propose a simplified bilinear bondstress-slip model that correlates well with experimental data. The second objective was to predict the frictional component in the bondstress-slip model that develops in FRP plated flexural members using a partial-interaction displacement-based approach, assess the factors that affect the frictional component and investigate the debonding mechanism of FRP plated members with a frictional component. As such, a database consisting of 98 pull/push shear tests available in the open literature was assembled and used to assess the factors that influence the bilinear bondstress-slip model parameters. Subsequently, a simplified bilinear bondstress-slip model was proposed and validated against 288 pull/push shear test results. Next, 8 FRP plated beams were investigated using a displacement-based analysis where it was seen that the frictional component depended largely on the length of the plated members. Also, it was seen that poor correlation with experimental results was observed when a bilinear model without a frictional component was used in the analysis, where the predicted ultimate strength was 66 – 78% of the experimental value. The findings of this study illustrate the importance of considering the frictional component in the bondstress-slip model, and how this may affect the strength, deformation and ductility of the plated member. Elsevier 2021 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/97398/1/ABSTRACT.pdf El-Zeadani, Mohamed and Muhammad Rashid, Raizal Saifulnaz and Amran, Mugahed (2021) Full-range bondstress-slip model for externally bonded FRP plates including a frictional component. Composite Structures, 262. art. no. 113372. pp. 1-25. ISSN 0263-8223 https://www.sciencedirect.com/science/article/pii/S0263822320332980 10.1016/j.compstruct.2020.113372
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Bondstress-slip models of externally bonded FRP plates have long been quantified using push/pull shear tests in which the bonded joint is slightly greater than the effective length of the plate. This inhibits the formation of a frictional component that may arise in long bonded joints. Moreover, previous researchers have used several factors to represent the bondstress-slip model parameters which gave a rise to a number of models. With that in mind, the first aim of this study was to assess the factors that affect the bondstress-slip parameters (τmax, δ1 and δmax), and to propose a simplified bilinear bondstress-slip model that correlates well with experimental data. The second objective was to predict the frictional component in the bondstress-slip model that develops in FRP plated flexural members using a partial-interaction displacement-based approach, assess the factors that affect the frictional component and investigate the debonding mechanism of FRP plated members with a frictional component. As such, a database consisting of 98 pull/push shear tests available in the open literature was assembled and used to assess the factors that influence the bilinear bondstress-slip model parameters. Subsequently, a simplified bilinear bondstress-slip model was proposed and validated against 288 pull/push shear test results. Next, 8 FRP plated beams were investigated using a displacement-based analysis where it was seen that the frictional component depended largely on the length of the plated members. Also, it was seen that poor correlation with experimental results was observed when a bilinear model without a frictional component was used in the analysis, where the predicted ultimate strength was 66 – 78% of the experimental value. The findings of this study illustrate the importance of considering the frictional component in the bondstress-slip model, and how this may affect the strength, deformation and ductility of the plated member.
format Article
author El-Zeadani, Mohamed
Muhammad Rashid, Raizal Saifulnaz
Amran, Mugahed
spellingShingle El-Zeadani, Mohamed
Muhammad Rashid, Raizal Saifulnaz
Amran, Mugahed
Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
author_facet El-Zeadani, Mohamed
Muhammad Rashid, Raizal Saifulnaz
Amran, Mugahed
author_sort El-Zeadani, Mohamed
title Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
title_short Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
title_full Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
title_fullStr Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
title_full_unstemmed Full-range bondstress-slip model for externally bonded FRP plates including a frictional component
title_sort full-range bondstress-slip model for externally bonded frp plates including a frictional component
publisher Elsevier
publishDate 2021
url http://psasir.upm.edu.my/id/eprint/97398/1/ABSTRACT.pdf
http://psasir.upm.edu.my/id/eprint/97398/
https://www.sciencedirect.com/science/article/pii/S0263822320332980
_version_ 1743108549394825216
score 13.211869

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