Shear Behavior of Basalt Fiber Reinforced Concrete Beams with and without Basalt FRP Stirrups

Issa, Mohsen A.; Ovitigala, Thilan; Ibrahim, Mustapha

doi:10.1061/(asce)cc.1943-5614.0000638

Cited by 86 publications

(28 citation statements)

References 6 publications

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“…Therefore, a higher first crack load can be achieved in SB-4. This agrees well with the previous experimental findings for BFRP reinforced concrete beams that the first crack initiates at a higher load for beams with a lower λ [29]. Nevertheless, S has no noticeable influence on the first crack load of BFRP reinforced IPC, which is about 18 kN for all three groups, i.e.…”

Section: Crack Patterns and Failure Modessupporting

confidence: 92%

“…With respect to BFRP reinforced concrete, the experimental studies on flexural and shear performance of concrete beams reinforced with BFRP bars indicated that BFRP reinforced concrete beams have a higher tensile strength than steel reinforced concrete beams, whereas the bond strength between the reinforcement and concrete is similar for both specimens [27,28]. The shear capacity of general FRP reinforced concrete beam was found to be lower than that of steel reinforced concrete beam due to the lower axial stiffness of FRP reinforcement, which would cause an increase of diagonal cracks and thus impede the shear transfer through the aggregate interlock [29]. [31].…”

Section: Introductionmentioning

confidence: 95%

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Shear behaviour of inorganic polymer concrete beams reinforced with basalt FRP bars and stirrups

Fan

Zhou

et al. 2021

Composite Structures

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Section: Crack Patterns and Failure Modessupporting

confidence: 92%

Section: Introductionmentioning

confidence: 95%

Shear behaviour of inorganic polymer concrete beams reinforced with basalt FRP bars and stirrups

Fan

Zhou

et al. 2021

Composite Structures

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show abstract

“…Issa et al [18] observed significant improvements in the shear strength of RC beams with insufficient shear reinforcement strengthened with BF reinforced polimer. Dias and Thaumaturgo [9] investigated the relationship between the mixing value of fiber and fracture toughness of geopolymeric cement reinforced with BFs and they demonstrated that geopolymer cement reinforced with BFs exhibited more displacement and more fracture toughness.…”

Section: Introductionmentioning

confidence: 99%

Influence of Chopped Basalt Fibers on the Shear Strength of RC Beams without Stirrups

2018

CBEMS-18,DMCCIA-18,EHSSM-18,BLEIS-18,ICLTET-18 March 21-23, 2018 Istanbul (Turkey)

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Abstract-This research studied the influence of chopped basalt fibers (BFs) on the shear strength of reinforced concrete (RC) beams without stirrups. The beams including one reference and three basalt fiber reinforced concrete (BFRC) beams were tested under concentrated load at mid-span to determine the shear strength. The test parameters are volume fraction of basalt fibers (V f ) and shear span-to-effective depth ratio (a/d) of beam. The deflection of the beam and the cracking pattern were monitored during the test at certain stages of the monotonic loading until failure. It is observed that the contribution of BFs to the shear strength at the ultimate state decreases as volume fractions of BFs increase from 0% to 1.5%.

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“…Because the RC beams in the resistance to shear are complex, therefore many researchers have focused on studying the behavior of RC beams in the shear zone [10][11][12]. Also from the useful and new properties of basalt BFRP, many researches have focused on the use of this type of FRP in the strengthening operations, whether in the shear zone [13][14][15] or in the flexural zone [16][17][18] or both together [19] with different forms of BFRP, whether sheets or bars [20,21]. However, these experimental and numerical studies have not considered all the parameters that influence the shear behavior of RC beams strengthening with FRP sheets; such as the beam width, the effect of scale (large-scale dimensions), new types of FRP sheets (such as basalt FRP (BFRP)), and the applied strengthening configuration (Ujacketing).…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Large-scale RC Beams Shear-Strengthened with Basalt FRP Sheets

Sayed

2020

Civ Eng J

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Over the last three decades, many experimental studies have been conducted to investigate the behavior of Reinforced Concrete (RC) beams, shear strengthened with externally bonded Fiber-Reinforced Polymer (FRP) composite. However, the majority of experimental studies have focused on small- to medium-scale beam specimens. As a result, most design equations that have been developed as part of these studies may thus not be accurate at predicting the shear strength of large-scale RC beams shear-strengthened with FRP sheets. This study thus involved performing tests on six specimens to study the effect of the larger scale, along with new variables such as beam width, new varieties of FRP sheets (basalt FRP (BFRP)), and the strengthening configuration (U-jacketing), on the prediction of the ultimate load of RC beams strengthened with externally bonded FRP composite. The experimental results were analyzed and showed that all these variables affected the lateral strain along the bottom and the top of the beams. It was found that variations in the depth to width ratio of the beams caused the failure angle to vary as well. For beams strengthened with BFRP sheets, both the cracking and ultimate load increased to 1.19 and 1.94 times the cracking and ultimate load of the control beams under identical conditions.

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Shear Behavior of Basalt Fiber Reinforced Concrete Beams with and without Basalt FRP Stirrups

Cited by 86 publications

References 6 publications

Shear behaviour of inorganic polymer concrete beams reinforced with basalt FRP bars and stirrups

Shear behaviour of inorganic polymer concrete beams reinforced with basalt FRP bars and stirrups

Influence of Chopped Basalt Fibers on the Shear Strength of RC Beams without Stirrups

Experimental Study of Large-scale RC Beams Shear-Strengthened with Basalt FRP Sheets

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