Behavior of reinforced concrete beams reinforced with GFRP bars

The use of fiber reinforced polymer (FRP) bars is one of the alternatives presented in recent studies to prevent the drawbacks related to the steel reinforcement in specific reinforced concrete members. In this work, six reinforced concrete beams were submitted to four point bending tests. One beam...

Full description

Bibliographic Details
Main Authors: D. H. Tavares, J. S. Giongo, P. Paultre
Format: Article
Language:English
Published: Instituto Brasileiro do Concreto (IBRACON)
Series:Revista IBRACON de Estruturas e Materiais
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952008000300004&lng=en&tlng=en
_version_ 1811327113640280064
author D. H. Tavares
J. S. Giongo
P. Paultre
author_facet D. H. Tavares
J. S. Giongo
P. Paultre
author_sort D. H. Tavares
collection DOAJ
description The use of fiber reinforced polymer (FRP) bars is one of the alternatives presented in recent studies to prevent the drawbacks related to the steel reinforcement in specific reinforced concrete members. In this work, six reinforced concrete beams were submitted to four point bending tests. One beam was reinforced with CA-50 steel bars and five with glass fiber reinforced polymer (GFRP) bars. The tests were carried out in the Department of Structural Engineering in São Carlos Engineering School, São Paulo University. The objective of the test program was to compare strength, reinforcement deformation, displacement, and some anchorage aspects between the GFRP-reinforced concrete beams and the steel-reinforced concrete beam. The results show that, even though four GFRP-reinforced concrete beams were designed with the same internal tension force as that with steel reinforcement, their capacity was lower than that of the steel-reinforced beam. The results also show that similar flexural capacity can be achieved for the steel- and for the GFRP-reinforced concrete beams by controlling the stiffness (reinforcement modulus of elasticity multiplied by the bar cross-sectional area - EA) and the tension force of the GFRP bars.
first_indexed 2024-04-13T15:02:08Z
format Article
id doaj.art-39975e9c18c64840ba8e1ecd9f851cbc
institution Directory Open Access Journal
issn 1983-4195
language English
last_indexed 2024-04-13T15:02:08Z
publisher Instituto Brasileiro do Concreto (IBRACON)
record_format Article
series Revista IBRACON de Estruturas e Materiais
spelling doaj.art-39975e9c18c64840ba8e1ecd9f851cbc2022-12-22T02:42:16ZengInstituto Brasileiro do Concreto (IBRACON)Revista IBRACON de Estruturas e Materiais1983-41951328529510.1590/S1983-41952008000300004S1983-41952008000300004Behavior of reinforced concrete beams reinforced with GFRP barsD. H. Tavares0J. S. Giongo1P. Paultre2Université de SherbrookeUniversidade de São PauloUniversité de SherbrookeThe use of fiber reinforced polymer (FRP) bars is one of the alternatives presented in recent studies to prevent the drawbacks related to the steel reinforcement in specific reinforced concrete members. In this work, six reinforced concrete beams were submitted to four point bending tests. One beam was reinforced with CA-50 steel bars and five with glass fiber reinforced polymer (GFRP) bars. The tests were carried out in the Department of Structural Engineering in São Carlos Engineering School, São Paulo University. The objective of the test program was to compare strength, reinforcement deformation, displacement, and some anchorage aspects between the GFRP-reinforced concrete beams and the steel-reinforced concrete beam. The results show that, even though four GFRP-reinforced concrete beams were designed with the same internal tension force as that with steel reinforcement, their capacity was lower than that of the steel-reinforced beam. The results also show that similar flexural capacity can be achieved for the steel- and for the GFRP-reinforced concrete beams by controlling the stiffness (reinforcement modulus of elasticity multiplied by the bar cross-sectional area - EA) and the tension force of the GFRP bars.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952008000300004&lng=en&tlng=enFRPGFRPGFRP reinforcementflexural behavior of GFRP bars
spellingShingle D. H. Tavares
J. S. Giongo
P. Paultre
Behavior of reinforced concrete beams reinforced with GFRP bars
Revista IBRACON de Estruturas e Materiais
FRP
GFRP
GFRP reinforcement
flexural behavior of GFRP bars
title Behavior of reinforced concrete beams reinforced with GFRP bars
title_full Behavior of reinforced concrete beams reinforced with GFRP bars
title_fullStr Behavior of reinforced concrete beams reinforced with GFRP bars
title_full_unstemmed Behavior of reinforced concrete beams reinforced with GFRP bars
title_short Behavior of reinforced concrete beams reinforced with GFRP bars
title_sort behavior of reinforced concrete beams reinforced with gfrp bars
topic FRP
GFRP
GFRP reinforcement
flexural behavior of GFRP bars
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952008000300004&lng=en&tlng=en
work_keys_str_mv AT dhtavares behaviorofreinforcedconcretebeamsreinforcedwithgfrpbars
AT jsgiongo behaviorofreinforcedconcretebeamsreinforcedwithgfrpbars
AT ppaultre behaviorofreinforcedconcretebeamsreinforcedwithgfrpbars