Identification of intermediate debonding damage in FRP-plated RC beams based on multi-objective particle swarm optimization without updated baseline model

Perera Velamazán, Ricardo and Sevillano Bravo, Enrique and Diego Villalón, Ana de and Arteaga Iriarte, Ángel (2014). Identification of intermediate debonding damage in FRP-plated RC beams based on multi-objective particle swarm optimization without updated baseline model. "Composites Part B: Engineering", v. 62 ; pp. 205-217. ISSN 1359-8368. https://doi.org/10.1016/j.compositesb.2014.02.008.

Description

Title: Identification of intermediate debonding damage in FRP-plated RC beams based on multi-objective particle swarm optimization without updated baseline model
Author/s:
  • Perera Velamazán, Ricardo
  • Sevillano Bravo, Enrique
  • Diego Villalón, Ana de
  • Arteaga Iriarte, Ángel
Item Type: Article
Título de Revista/Publicación: Composites Part B: Engineering
Date: June 2014
Volume: 62
Subjects:
Freetext Keywords: Polymer matrix composites; Debonding; Computational modeling
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Mecánica
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Fiber reinforced polymer composites (FRP) have found widespread usage in the repair and strengthening of concrete structures. FRP composites exhibit high strength-to-weight ratio, corrosion resistance, and are convenient to use in repair applications. Externally bonded FRP flexural strengthening of concrete beams is the most extended application of this technique. A common cause of failure in such members is associated with intermediate crack-induced debonding (IC debonding) of the FRP substrate from the concrete in an abrupt manner. Continuous monitoring of the concrete?FRP interface is essential to pre- vent IC debonding. Objective condition assessment and performance evaluation are challenging activities since they require some type of monitoring to track the response over a period of time. In this paper, a multi-objective model updating method integrated in the context of structural health monitoring is demonstrated as promising technology for the safety and reliability of this kind of strengthening technique. The proposed method, solved by a multi-objective extension of the particle swarm optimization method, is based on strain measurements under controlled loading. The use of permanently installed fiber Bragg grating (FBG) sensors embedded into the FRP-concrete interface or bonded onto the FRP strip together with the proposed methodology results in an automated method able to operate in an unsupervised mode.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainBIA2010-20234-C03-01UnspecifiedUniversidad Politécnica de MadridEstructuras inteligentes de hormigón reforzadas con FRP

More information

Item ID: 35890
DC Identifier: http://oa.upm.es/35890/
OAI Identifier: oai:oa.upm.es:35890
DOI: 10.1016/j.compositesb.2014.02.008
Official URL: http://www.sciencedirect.com/science/article/pii/S1359836814000857
Deposited by: Memoria Investigacion
Deposited on: 16 Mar 2016 11:51
Last Modified: 16 Mar 2016 11:51
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