Adhesion, strengthening and durability issues in the retrofitting of Reinforced Concrete (RC) beams using Carbon Fiber Reinforced Polymer (CFRP) – A Review

  • Pedro J. Poot Cauich Escuela de Ingeniería Civil, Universidad Marista de Mérida, Periférico Norte tablaje catastral 13941, Carretera Mérida - Progreso. C.P. 97300, Mérida, Yucatán
  • Rodolfo Martínez-Molina Escuela de Ingeniería Civil, Universidad Marista de Mérida, Periférico Norte tablaje catastral 13941, Carretera Mérida - Progreso. C.P. 97300, Mérida, Yucatán.
  • José Luis Gamboa Marrufo Escuela de Ingeniería Civil, Universidad Marista de Mérida, Periférico Norte tablaje catastral 13941, Carretera Mérida - Progreso. C.P. 97300, Mérida, Yucatán.
  • Pedro Jesus Herrera Franco Unidad de Materiales, Centro de Investigación Científica de Yucatán, A.C., Calle 43 # 130, Col. Chuburná, C.P. 97205, Mérida, Yucatán. http://orcid.org/0000-0003-3742-4213
DOI: https://doi.org/10.21041/ra.v9i2.401
Keywords: carbon fiber composites, resin-concrete interphase, fiber-matrix interphase, retrofitting, adhesion.

Abstract

This paper addresses the mechanics of adhesion, strengthening effect and durability issues of applications of CFRP composite materials in beams. The application of CFRP materials has been widely described, but the main focus has been on overall failure parameters. The first issue is strengthening capability of CFRP reinforcement for concrete beams. The second is the local interface bond stress-slip relationship, that is, the local t-slip. The last issue is the durability of the CFRP sheet/plate, when exposed to a hydro-thermal environment. The role of adhesion and the mechanics of concrete-CFRP adhesion and a sound understanding of the interface between the CFRP and concrete behavior is the key factor for controlling debonding failures in CFRP-strengthened RC beams.

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Author Biography

Pedro Jesus Herrera Franco, Unidad de Materiales, Centro de Investigación Científica de Yucatán, A.C., Calle 43 # 130, Col. Chuburná, C.P. 97205, Mérida, Yucatán.
Unidad de Materiales Profesor Investigador Titular D

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Published
2019-04-30
How to Cite
Poot Cauich, P. J., Martínez-MolinaR., Gamboa Marrufo, J. L., & Herrera Franco, P. J. (2019). Adhesion, strengthening and durability issues in the retrofitting of Reinforced Concrete (RC) beams using Carbon Fiber Reinforced Polymer (CFRP) – A Review. Revista ALCONPAT, 9(2), 130 - 151. https://doi.org/10.21041/ra.v9i2.401
Issue
Vol. 9 No. 2 (2019)
Section
Review

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