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Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.

In this paper, ABAQUS software is used to carry out finite element simulation on the axial compression performance of corroded round steel pipe members reinforced by FRP casing grouting. Moreover, its working mechanism and failure mode are analyzed. A typical load-displacement curve of the component...

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Main Authors: Fu, Hao, Zhang, Jiayi, Wu, Zhaoqi, Chin, Chee-Loong, Ma, Chau-Khun
格式: Article
出版: Elsevier Ltd. 2023
主题:
TA Engineering (General). Civil engineering (General)
在线阅读:http://eprints.utm.my/106453/
http://dx.doi.org/10.1016/j.jcsr.2022.107689
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spelling my.utm.1064532024-07-08T07:07:39Z http://eprints.utm.my/106453/ Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting. Fu, Hao Zhang, Jiayi Wu, Zhaoqi Chin, Chee-Loong Ma, Chau-Khun TA Engineering (General). Civil engineering (General) In this paper, ABAQUS software is used to carry out finite element simulation on the axial compression performance of corroded round steel pipe members reinforced by FRP casing grouting. Moreover, its working mechanism and failure mode are analyzed. A typical load-displacement curve of the component is obtained. Furthermore, the effect of FRP pipe thickness, grouting thickness, corrosion rate, concrete strength, and slenderness ratio on the mechanical performance of the component is explored. The research results indicate that the component load-displacement curve can be characterized by bilinear and trilinear models. The former corresponds to the overall buckling failure mode, while the latter corresponds to the strength failure mode for the bare ends of a round steel tube. After reinforcement, the component bearing capacity increases up to 166.83%. Moreover, the increase is positively correlated with FRP pipe thickness, grouting thickness, and corrosion rate. The component bearing capacity first decreases and then increases when modifying the slenderness ratio, while concrete strength has a minor effect on it. Moreover, the bending stiffness ratio equation and the stability bearing capacity correction equation of the axial compression reinforced components are proposed. The aforementioned provides reference suggestions for practical engineering applications of corroded steel structures reinforced by FRP casing grouting. Elsevier Ltd. 2023 Article PeerReviewed Fu, Hao and Zhang, Jiayi and Wu, Zhaoqi and Chin, Chee-Loong and Ma, Chau-Khun (2023) Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting. Journal of Constructional Steel Research, 201 (107689). NA-NA. ISSN 0143-974X http://dx.doi.org/10.1016/j.jcsr.2022.107689 DOI: 10.1016/j.jcsr.2022.107689
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Fu, Hao
Zhang, Jiayi
Wu, Zhaoqi
Chin, Chee-Loong
Ma, Chau-Khun
Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
description In this paper, ABAQUS software is used to carry out finite element simulation on the axial compression performance of corroded round steel pipe members reinforced by FRP casing grouting. Moreover, its working mechanism and failure mode are analyzed. A typical load-displacement curve of the component is obtained. Furthermore, the effect of FRP pipe thickness, grouting thickness, corrosion rate, concrete strength, and slenderness ratio on the mechanical performance of the component is explored. The research results indicate that the component load-displacement curve can be characterized by bilinear and trilinear models. The former corresponds to the overall buckling failure mode, while the latter corresponds to the strength failure mode for the bare ends of a round steel tube. After reinforcement, the component bearing capacity increases up to 166.83%. Moreover, the increase is positively correlated with FRP pipe thickness, grouting thickness, and corrosion rate. The component bearing capacity first decreases and then increases when modifying the slenderness ratio, while concrete strength has a minor effect on it. Moreover, the bending stiffness ratio equation and the stability bearing capacity correction equation of the axial compression reinforced components are proposed. The aforementioned provides reference suggestions for practical engineering applications of corroded steel structures reinforced by FRP casing grouting.
format Article
author Fu, Hao
Zhang, Jiayi
Wu, Zhaoqi
Chin, Chee-Loong
Ma, Chau-Khun
author_facet Fu, Hao
Zhang, Jiayi
Wu, Zhaoqi
Chin, Chee-Loong
Ma, Chau-Khun
author_sort Fu, Hao
title Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
title_short Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
title_full Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
title_fullStr Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
title_full_unstemmed Nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by FRP-casing grouting.
title_sort nonlinear analysis of axial-compressed corroded circular steel pipes reinforced by frp-casing grouting.
publisher Elsevier Ltd.
publishDate 2023
url http://eprints.utm.my/106453/
http://dx.doi.org/10.1016/j.jcsr.2022.107689
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score 13.251813

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