2018
DOI: 10.1590/1679-78254710
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Abstract: The efficiency of steel fibers for shear strength of reinforced concrete beams is assessed. Four beams were evaluated: control consisted of one beam without any steel fibers and three beams with reinforced concrete with steel fibers. All beams were reinforced for shear strength by a minimum reinforcement rate. The influence of fiber content added to concrete, at 0.5%, 0.8% and 1.0%, and the possibility of partial or total replacement of conventional shear reinforcement (stirrups) by steel fibers were evaluated… Show more

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Cited by 6 publications
(2 citation statements)
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References 16 publications
(22 reference statements)
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“…It was evident that the reinforcement ratio over 1% allowed an increase up to 20% in the shear strength in SFRC, as observed in beams VF-1 and VF-2. [20], which represents an estimate for the failure modes of the beams, which can be by shear with indicated that all beams presented shear failure, as observed in the tests. Figures 12a and 12b clearly show the behavior of the flexural reinforcement influence in the failure mode, a similar linear behavior for both the RC beams and the SFRC beams.…”
Section: Effect Of Longitudinal Reinforcementmentioning
confidence: 84%
“…It was evident that the reinforcement ratio over 1% allowed an increase up to 20% in the shear strength in SFRC, as observed in beams VF-1 and VF-2. [20], which represents an estimate for the failure modes of the beams, which can be by shear with indicated that all beams presented shear failure, as observed in the tests. Figures 12a and 12b clearly show the behavior of the flexural reinforcement influence in the failure mode, a similar linear behavior for both the RC beams and the SFRC beams.…”
Section: Effect Of Longitudinal Reinforcementmentioning
confidence: 84%
“…Antonius et al [23], Kim et al [24] also studied the ductility behavior of steel-fibrous concrete beams at various temperatures, and it was concluded that the ductility of the structure decreased compared to the ductility of the structure without being burned, but the decrease in the ductility value was insignificant. In other structural fields, the post-combustible shears ability of steelfibrous concrete has also been studied [25][26][27]. Cheng et al [28] and Santos et al [29] derive stressstrain models for post-burn plain concrete and postburn fibrous concrete, respectively, where these models review the burning of specimens based on temperature.…”
Section: Introductionmentioning
confidence: 99%