Prediction of FRP debonding using the global-energy-balance approach

M. Achintha; C. Burgoyne

doi:10.1680/macr.11.00182

Prediction of FRP debonding using the global-energy-balance approach

M. Achintha, C. Burgoyne

Civil Engineering and Management

Research output: Contribution to journal › Article › peer-review

Abstract

A major research programme was carried out to analyse the mechanism of FRP debonding from concrete beams using global-energy-balance approach (GEBA). The analyses developed in the study provide an essential tool that will enable fracture mechanics to be used to determine the load at which FRP plates will debond from concrete beams. This obviates the need for finite element (FE) analyses in situations where reliable details of the interface properties and crack-tip stress fields are not attainable for an accurate analysis. This paper presents an overview of the GEBA analyses that is described in detail elsewhere, and explains the slightly unconventional assumptions made in the analyses.

Original language	English
Pages (from-to)	1033-1044
Number of pages	12
Journal	Magazine of Concrete Research
Volume	64
Issue number	11
DOIs	https://doi.org/10.1680/macr.11.00182
Publication status	Published - Nov 2012

Keywords

branson’s model
strengthening
fracture mechanics
frp
debonding
fracture energy
mixed-mode

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10.1680/macr.11.00182

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title = "Prediction of FRP debonding using the global-energy-balance approach",

abstract = "A major research programme was carried out to analyse the mechanism of FRP debonding from concrete beams using global-energy-balance approach (GEBA). The analyses developed in the study provide an essential tool that will enable fracture mechanics to be used to determine the load at which FRP plates will debond from concrete beams. This obviates the need for finite element (FE) analyses in situations where reliable details of the interface properties and crack-tip stress fields are not attainable for an accurate analysis. This paper presents an overview of the GEBA analyses that is described in detail elsewhere, and explains the slightly unconventional assumptions made in the analyses.",

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AB - A major research programme was carried out to analyse the mechanism of FRP debonding from concrete beams using global-energy-balance approach (GEBA). The analyses developed in the study provide an essential tool that will enable fracture mechanics to be used to determine the load at which FRP plates will debond from concrete beams. This obviates the need for finite element (FE) analyses in situations where reliable details of the interface properties and crack-tip stress fields are not attainable for an accurate analysis. This paper presents an overview of the GEBA analyses that is described in detail elsewhere, and explains the slightly unconventional assumptions made in the analyses.

KW - branson’s model

KW - strengthening

KW - fracture mechanics

KW - frp

KW - debonding

KW - fracture energy

KW - mixed-mode

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DO - 10.1680/macr.11.00182

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JO - Magazine of Concrete Research

JF - Magazine of Concrete Research

IS - 11

ER -

Prediction of FRP debonding using the global-energy-balance approach

Abstract

Keywords

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