Effect of temperature variation on the fracture process of double-lap FRP-to-steel bonded joint: an analytical study

Tian Li Huang; Kai Liu; Hao Zhou; Yi Wang; Ya Ou; Jian Guo Dai

doi:10.1016/j.engfracmech.2022.108871

Effect of temperature variation on the fracture process of double-lap FRP-to-steel bonded joint: an analytical study

Tian Li Huang, Kai Liu, Hao Zhou, Yi Wang, Ya Ou, Jian Guo Dai

Research output: Journal article publication › Journal article › Academic research › peer-review

4 Citations (Scopus)

Abstract

This paper presents an analytical study on the bond behavior of the double-lap FRP-to-steel bonded joint subjected to temperature variation. Closed-form solutions for the full-range bond behavior are derived and validated based on a fully reversible local interfacial bond-slip relation. Besides, finite element (FE) simulations considering the interfacial damage elasticity were conducted to investigate its influence on the interfacial bond behavior. Results show that unlike single-lap FRP-to-steel bonded joint, there exist critical temperature variations and bonding lengths that govern the fracture process of the bonded joint. Compared to the fully reversible bond-slip assumption, considering the interfacial damage elasticity has a significant influence on the bond behavior in the unloading stage in the case of temperature elevation, the load-carrying capacity is not affected provided that the bonding length is sufficiently long. While for a temperature drop, the local damage behavior in the bond-slip relation shows no influence.

Original language	English
Article number	108871
Journal	Engineering Fracture Mechanics
Volume	276
DOIs	https://doi.org/10.1016/j.engfracmech.2022.108871
Publication status	Published - Dec 2022

Keywords

Double-lap bonded joint
Fracture process
FRP-to-steel
Temperature variation

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1016/j.engfracmech.2022.108871

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title = "Effect of temperature variation on the fracture process of double-lap FRP-to-steel bonded joint: an analytical study",

abstract = "This paper presents an analytical study on the bond behavior of the double-lap FRP-to-steel bonded joint subjected to temperature variation. Closed-form solutions for the full-range bond behavior are derived and validated based on a fully reversible local interfacial bond-slip relation. Besides, finite element (FE) simulations considering the interfacial damage elasticity were conducted to investigate its influence on the interfacial bond behavior. Results show that unlike single-lap FRP-to-steel bonded joint, there exist critical temperature variations and bonding lengths that govern the fracture process of the bonded joint. Compared to the fully reversible bond-slip assumption, considering the interfacial damage elasticity has a significant influence on the bond behavior in the unloading stage in the case of temperature elevation, the load-carrying capacity is not affected provided that the bonding length is sufficiently long. While for a temperature drop, the local damage behavior in the bond-slip relation shows no influence.",

keywords = "Double-lap bonded joint, Fracture process, FRP-to-steel, Temperature variation",

author = "Huang, {Tian Li} and Kai Liu and Hao Zhou and Yi Wang and Ya Ou and Dai, {Jian Guo}",

note = "Funding Information: The authors deeply appreciate the financial supports from the National Natural and Science Foundation of China (Grant No. 52208325), Natural Science Foundation of Hunan Province, China (Grant No. 2021JJ40777), Scientific Research Fund of Hunan Provincial Education Department (Grant No. 21B0250), Central South University autonomous exploration project (Grant No.2022ZZTS0794). The authors are also grateful to Prof. Dilum Fernando of The University of Edinburgh for his valuable advice on this research. Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",

year = "2022",

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doi = "10.1016/j.engfracmech.2022.108871",

language = "English",

volume = "276",

journal = "Engineering Fracture Mechanics",

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T1 - Effect of temperature variation on the fracture process of double-lap FRP-to-steel bonded joint

T2 - an analytical study

AU - Huang, Tian Li

AU - Liu, Kai

AU - Zhou, Hao

AU - Wang, Yi

AU - Ou, Ya

AU - Dai, Jian Guo

N1 - Funding Information: The authors deeply appreciate the financial supports from the National Natural and Science Foundation of China (Grant No. 52208325), Natural Science Foundation of Hunan Province, China (Grant No. 2021JJ40777), Scientific Research Fund of Hunan Provincial Education Department (Grant No. 21B0250), Central South University autonomous exploration project (Grant No.2022ZZTS0794). The authors are also grateful to Prof. Dilum Fernando of The University of Edinburgh for his valuable advice on this research. Publisher Copyright: © 2022 Elsevier Ltd

PY - 2022/12

Y1 - 2022/12

N2 - This paper presents an analytical study on the bond behavior of the double-lap FRP-to-steel bonded joint subjected to temperature variation. Closed-form solutions for the full-range bond behavior are derived and validated based on a fully reversible local interfacial bond-slip relation. Besides, finite element (FE) simulations considering the interfacial damage elasticity were conducted to investigate its influence on the interfacial bond behavior. Results show that unlike single-lap FRP-to-steel bonded joint, there exist critical temperature variations and bonding lengths that govern the fracture process of the bonded joint. Compared to the fully reversible bond-slip assumption, considering the interfacial damage elasticity has a significant influence on the bond behavior in the unloading stage in the case of temperature elevation, the load-carrying capacity is not affected provided that the bonding length is sufficiently long. While for a temperature drop, the local damage behavior in the bond-slip relation shows no influence.

AB - This paper presents an analytical study on the bond behavior of the double-lap FRP-to-steel bonded joint subjected to temperature variation. Closed-form solutions for the full-range bond behavior are derived and validated based on a fully reversible local interfacial bond-slip relation. Besides, finite element (FE) simulations considering the interfacial damage elasticity were conducted to investigate its influence on the interfacial bond behavior. Results show that unlike single-lap FRP-to-steel bonded joint, there exist critical temperature variations and bonding lengths that govern the fracture process of the bonded joint. Compared to the fully reversible bond-slip assumption, considering the interfacial damage elasticity has a significant influence on the bond behavior in the unloading stage in the case of temperature elevation, the load-carrying capacity is not affected provided that the bonding length is sufficiently long. While for a temperature drop, the local damage behavior in the bond-slip relation shows no influence.

KW - Double-lap bonded joint

KW - Fracture process

KW - FRP-to-steel

KW - Temperature variation

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Effect of temperature variation on the fracture process of double-lap FRP-to-steel bonded joint: an analytical study

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