Effect of CFRP properties, on the bond characteristics between steel and CFRP laminate under quasi-static loading

Alaa Al-Mosawe; Riadh Al-Mahaidi; Xiao Ling Zhao

doi:10.1016/j.conbuildmat.2015.08.130

Effect of CFRP properties, on the bond characteristics between steel and CFRP laminate under quasi-static loading

Alaa Al-Mosawe, Riadh Al-Mahaidi, Xiao Ling Zhao

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

117 Citations (Scopus)

Abstract

Carbon fibre reinforced polymers (CFRPs) have been widely used in the last few decades. The bond between steel members and CFRP is the main issue in rehabilitation. Rehabilitation is considered when structures have cracks or damage. The CFRP section that needs to be used in rehabilitation depends on the damage amount or crack thickness. This paper reports the experimental and numerical effects of CFRP properties and sections on the bond between CFRP laminate and steel members under quasi-static loading. Three CFRP moduli (low CFRP modulus, normal CFRP modulus and ultra-high CFRP modulus) and two CFRP sections (20 × 1.4 mm and 10 × 1.4 mm) were used in this research. The results show that small CFRP sections are very sensitive to evaluate the bond properties between CFRP and steel, and the ultra-high CFRP modulus with low tensile strength has significant effects on the bond between CFRP and steel.

Original language	English
Pages (from-to)	489-501
Number of pages	13
Journal	Construction and Building Materials
Volume	98
DOIs	https://doi.org/10.1016/j.conbuildmat.2015.08.130
Publication status	Published - 15 Nov 2015
Externally published	Yes

Keywords

Carbon fibre
Debonding
Double strap joints
Laminates

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
General Materials Science

More information

10.1016/j.conbuildmat.2015.08.130

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title = "Effect of CFRP properties, on the bond characteristics between steel and CFRP laminate under quasi-static loading",

abstract = "Carbon fibre reinforced polymers (CFRPs) have been widely used in the last few decades. The bond between steel members and CFRP is the main issue in rehabilitation. Rehabilitation is considered when structures have cracks or damage. The CFRP section that needs to be used in rehabilitation depends on the damage amount or crack thickness. This paper reports the experimental and numerical effects of CFRP properties and sections on the bond between CFRP laminate and steel members under quasi-static loading. Three CFRP moduli (low CFRP modulus, normal CFRP modulus and ultra-high CFRP modulus) and two CFRP sections (20 × 1.4 mm and 10 × 1.4 mm) were used in this research. The results show that small CFRP sections are very sensitive to evaluate the bond properties between CFRP and steel, and the ultra-high CFRP modulus with low tensile strength has significant effects on the bond between CFRP and steel.",

keywords = "Carbon fibre, Debonding, Double strap joints, Laminates",

author = "Alaa Al-Mosawe and Riadh Al-Mahaidi and Zhao, {Xiao Ling}",

note = "Funding Information: This project was sponsored by the Australian Research Council (ARC) . The authors wish to thank the technical staff in the Smart Structure Laboratory at Swinburne University of Technology for their assistance. Publisher Copyright: {\textcopyright} 2015 Published by Elsevier Ltd.",

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AU - Al-Mosawe, Alaa

AU - Al-Mahaidi, Riadh

AU - Zhao, Xiao Ling

N1 - Funding Information: This project was sponsored by the Australian Research Council (ARC) . The authors wish to thank the technical staff in the Smart Structure Laboratory at Swinburne University of Technology for their assistance. Publisher Copyright: © 2015 Published by Elsevier Ltd.

PY - 2015/11/15

Y1 - 2015/11/15

N2 - Carbon fibre reinforced polymers (CFRPs) have been widely used in the last few decades. The bond between steel members and CFRP is the main issue in rehabilitation. Rehabilitation is considered when structures have cracks or damage. The CFRP section that needs to be used in rehabilitation depends on the damage amount or crack thickness. This paper reports the experimental and numerical effects of CFRP properties and sections on the bond between CFRP laminate and steel members under quasi-static loading. Three CFRP moduli (low CFRP modulus, normal CFRP modulus and ultra-high CFRP modulus) and two CFRP sections (20 × 1.4 mm and 10 × 1.4 mm) were used in this research. The results show that small CFRP sections are very sensitive to evaluate the bond properties between CFRP and steel, and the ultra-high CFRP modulus with low tensile strength has significant effects on the bond between CFRP and steel.

AB - Carbon fibre reinforced polymers (CFRPs) have been widely used in the last few decades. The bond between steel members and CFRP is the main issue in rehabilitation. Rehabilitation is considered when structures have cracks or damage. The CFRP section that needs to be used in rehabilitation depends on the damage amount or crack thickness. This paper reports the experimental and numerical effects of CFRP properties and sections on the bond between CFRP laminate and steel members under quasi-static loading. Three CFRP moduli (low CFRP modulus, normal CFRP modulus and ultra-high CFRP modulus) and two CFRP sections (20 × 1.4 mm and 10 × 1.4 mm) were used in this research. The results show that small CFRP sections are very sensitive to evaluate the bond properties between CFRP and steel, and the ultra-high CFRP modulus with low tensile strength has significant effects on the bond between CFRP and steel.

KW - Carbon fibre

KW - Debonding

KW - Double strap joints

KW - Laminates

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VL - 98

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JO - Construction and Building Materials

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ER -

Effect of CFRP properties, on the bond characteristics between steel and CFRP laminate under quasi-static loading

Abstract

Keywords

ASJC Scopus subject areas

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