Effect of steel and synthetic fibers on flexural behavior of high-strength concrete beams reinforced with FRP bars

Jun Mo Yang; Kyung Hwan Min; Hyun Oh Shin; Young Soo Yoon

doi:10.1016/j.compositesb.2012.01.044

Effect of steel and synthetic fibers on flexural behavior of high-strength concrete beams reinforced with FRP bars

Jun Mo Yang, Kyung Hwan Min, Hyun Oh Shin, Young Soo Yoon

School of Civil, Environmental and Architectural Engineering

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

123 Citations (Scopus)

Abstract

Six high-strength concrete beam specimens reinforced with fiber-reinforced polymer (FRP) bars were constructed and tested. Three of the beams were reinforced with carbon FRP (CFRP) bars and the other three beams were reinforced with glass FRP (GFRP) bars as flexural reinforcements. Steel fibers and polyolefin synthetic fibers were used as reinforcing discrete fibers. An investigation was performed on the influence of the addition of fibers on load-carrying capacity, cracking response, and ductility. In addition, the test results were compared with the predictions for the ultimate flexural moment. The addition of fibers increased the first-cracking load, ultimate flexural strength, and ductility, and also mitigated the large crack width of the FRP bar-reinforced concrete beams.

Original language	English
Pages (from-to)	1077-1086
Number of pages	10
Journal	Composites Part B: Engineering
Volume	43
Issue number	3
DOIs	https://doi.org/10.1016/j.compositesb.2012.01.044
Publication status	Published - 2012 Apr

Keywords

A. Fiber
B. Strength
Fiber-reinforced polymer (FRP) bar

ASJC Scopus subject areas

Ceramics and Composites
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.compositesb.2012.01.044

Cite this

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title = "Effect of steel and synthetic fibers on flexural behavior of high-strength concrete beams reinforced with FRP bars",

abstract = "Six high-strength concrete beam specimens reinforced with fiber-reinforced polymer (FRP) bars were constructed and tested. Three of the beams were reinforced with carbon FRP (CFRP) bars and the other three beams were reinforced with glass FRP (GFRP) bars as flexural reinforcements. Steel fibers and polyolefin synthetic fibers were used as reinforcing discrete fibers. An investigation was performed on the influence of the addition of fibers on load-carrying capacity, cracking response, and ductility. In addition, the test results were compared with the predictions for the ultimate flexural moment. The addition of fibers increased the first-cracking load, ultimate flexural strength, and ductility, and also mitigated the large crack width of the FRP bar-reinforced concrete beams.",

keywords = "A. Fiber, B. Strength, Fiber-reinforced polymer (FRP) bar",

author = "Yang, {Jun Mo} and Min, {Kyung Hwan} and Shin, {Hyun Oh} and Yoon, {Young Soo}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MEST) (No. 2007-0056796 ). ",

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AU - Yang, Jun Mo

AU - Min, Kyung Hwan

AU - Shin, Hyun Oh

AU - Yoon, Young Soo

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MEST) (No. 2007-0056796 ).

PY - 2012/4

Y1 - 2012/4

N2 - Six high-strength concrete beam specimens reinforced with fiber-reinforced polymer (FRP) bars were constructed and tested. Three of the beams were reinforced with carbon FRP (CFRP) bars and the other three beams were reinforced with glass FRP (GFRP) bars as flexural reinforcements. Steel fibers and polyolefin synthetic fibers were used as reinforcing discrete fibers. An investigation was performed on the influence of the addition of fibers on load-carrying capacity, cracking response, and ductility. In addition, the test results were compared with the predictions for the ultimate flexural moment. The addition of fibers increased the first-cracking load, ultimate flexural strength, and ductility, and also mitigated the large crack width of the FRP bar-reinforced concrete beams.

AB - Six high-strength concrete beam specimens reinforced with fiber-reinforced polymer (FRP) bars were constructed and tested. Three of the beams were reinforced with carbon FRP (CFRP) bars and the other three beams were reinforced with glass FRP (GFRP) bars as flexural reinforcements. Steel fibers and polyolefin synthetic fibers were used as reinforcing discrete fibers. An investigation was performed on the influence of the addition of fibers on load-carrying capacity, cracking response, and ductility. In addition, the test results were compared with the predictions for the ultimate flexural moment. The addition of fibers increased the first-cracking load, ultimate flexural strength, and ductility, and also mitigated the large crack width of the FRP bar-reinforced concrete beams.

KW - A. Fiber

KW - B. Strength

KW - Fiber-reinforced polymer (FRP) bar

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Effect of steel and synthetic fibers on flexural behavior of high-strength concrete beams reinforced with FRP bars

Abstract

Keywords

ASJC Scopus subject areas

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