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Fracture mechanics of plate debonding

Fracture mechanics of plate debonding
Fracture mechanics of plate debonding
This paper presents a fracture mechanics model to determine the load at which FRP plates will debond from reinforced
concrete beams. This will obviate the need for finite-element analyses to be used in situations where there is an infinite stress concentration and where the exact details of the interface geometry and properties are unknowable. The paper shows how fracture mechanics concepts based on energy release rates, can be used to answer the question “Will this existing interface crack extend?” Possible modes of debonding are analyzed as is the effect of the plate curtailment location on the debonding mode.
bonding strength, cracking, fiber reinforced polymers, strain energy
1090-0268
396-404
Achintha, M.
8163c322-de6d-4791-bc31-ba054cc0e07d
Burgoyne, C.J.
4be2f2b6-7e64-4fb2-94a8-f2a0886b6751
Achintha, M.
8163c322-de6d-4791-bc31-ba054cc0e07d
Burgoyne, C.J.
4be2f2b6-7e64-4fb2-94a8-f2a0886b6751

Achintha, M. and Burgoyne, C.J. (2008) Fracture mechanics of plate debonding. Journal of Composites for Construction, 12 (4), 396-404. (doi:10.1061/(ASCE)1090-0268(2008)12:4(396)).

Record type: Article

Abstract

This paper presents a fracture mechanics model to determine the load at which FRP plates will debond from reinforced
concrete beams. This will obviate the need for finite-element analyses to be used in situations where there is an infinite stress concentration and where the exact details of the interface geometry and properties are unknowable. The paper shows how fracture mechanics concepts based on energy release rates, can be used to answer the question “Will this existing interface crack extend?” Possible modes of debonding are analyzed as is the effect of the plate curtailment location on the debonding mode.

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Published date: July 2008
Keywords: bonding strength, cracking, fiber reinforced polymers, strain energy
Organisations: Infrastructure Group

Identifiers

Local EPrints ID: 209457
URI: http://eprints.soton.ac.uk/id/eprint/209457
DOI: doi:10.1061/(ASCE)1090-0268(2008)12:4(396)
ISSN: 1090-0268
PURE UUID: dba7ec00-3c3b-4871-9a52-00d9b44667f1
ORCID for M. Achintha: ORCID iD orcid.org/0000-0002-1732-3514

Catalogue record

Date deposited: 30 Jan 2012 11:50
Last modified: 14 Mar 2024 04:45

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Author: M. Achintha ORCID iD
Author: C.J. Burgoyne

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