Shear Capacity of Non-Metallic (FRP) Reinforced Concrete Beams with Stirrups

Hamid, Nor Aziati Abdul; Thamrin, Rendy; Ibrahim, Azmi

doi:10.7763/ijet.2013.v5.624

Cited by 9 publications

(6 citation statements)

References 14 publications

(12 reference statements)

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“…GFRP bars (which is the least expensive among other types of FRP) has numerous well-defined properties such as high strength-to-weight ratios (10 to 15 times than steel), high tensile strength, excellent fatigue behavior, impact resistance, nonmagnetization and non-conductivity [4,6,8,9,10].…”

Section: Characteristics Of Gfrp Barsmentioning

confidence: 99%

A Review of Bond Behavior of Glass Fiber Reinforced Polymer Bars With Concrete

Mohammed¹,

Lecturer²

2019

JEASD

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One of the most serious problems of reinforced concrete structures is corrosion of embedded reinforcing steel bars especially in aggressive environments. To control steel corrosion, several approaches have been followed but do not introduce 100% corrosion resistance and guaranteed longterm performance. Glass Fiber Reinforced Polymer (GFRP) bars are considered to be an ideal alternative to overcome corrosion problem in steel bars because of their high corrosion resistance. This paper discusses the main topics related to the use of GFRP bars as reinforcement in structural reinforced concrete applications and presents an overview to the available literature especially in GFRP bond behavior. The main conclusions are: standardizing the manufacturing process of GFRP bars are needed in order to limit the contradictory results of their performances due to the high differences in the products characteristics, and that the available design guidelines have much conservative equations, so they are recommended to be revised to be more practical.

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Section: Characteristics Of Gfrp Barsmentioning

confidence: 99%

A Review of Bond Behavior of Glass Fiber Reinforced Polymer Bars With Concrete

Mohammed¹,

Lecturer²

2019

JEASD

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“…Equations for the shear design of concrete beams reinforced with glass fibre-reinforced polymer and carbon fibre-reinforced polymer stirrups were formulated by researchers in [23]. In [24,25], the effect of using bars and stirrups made from glass fibre-reinforced polymer in reinforcing concrete beams was examined. The authors [26] further explored the impact of incorporating bars and stirrups made from glass fibre-reinforced polymer on reinforcing concrete beams.…”

Section: Introductionmentioning

confidence: 99%

Performance of RC Beams under Shear Loads Strengthened with Metallic and Non-Metallic Fibers

Ghali,

El-Sayed,

Salah

et al. 2024

Buildings

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In our investigation, we subjected eleven reinforced concrete beams to a four-point bending system to explore the impact of varying fibre and ferrocement contents on their structural behaviour. These beams, measuring 1.7 m in length, featured a rectangular cross-section with dimensions of 150 mm by 300 mm. Our study focused on three key variables: steel fibre content (at levels of 0.5%, 1%, and 1.5%), glass fibre content (also at 0.5%, 1%, and 1.5%), and ferrocement content (evaluated with one or two layers of welded or expanded wire mesh). Our findings revealed that incorporating fibres with minimal shear reinforcement significantly enhanced the beams’ performance. Specifically: The specimen reinforced with 1.5% steel fibres exhibited the highest ultimate failure load, surpassing the control beam by an impressive 41.87%. The 0.5% glass fibre specimen experienced the least deflection at the ultimate load compared to the control beam. The 1.5% glass fibre specimen demonstrated superior energy absorption compared to the control specimen. Notably, using two layers of welded wire mesh proved most effective in enhancing the ultimate failure load when compared to both the control specimen and other ferrocement-strengthened beams.

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“…Several variables that affect the shear capacity of a reinforced concrete section are the compressive strength of the concrete, the cross-sectional area, and the amount of longitudinal and transversal reinforcement [4,5]. Therefore, several studies used these variables to investigate their effect on the shear capacity of reinforced concrete structural elements.…”

Section: Introductionmentioning

confidence: 99%

Shear Capacity of Hollow Reinforced Concrete Members without Stirrups

Thamrin,

Dewi,

Asrianur

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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This paper presents experimental results on the shear capacity of hollow reinforced concrete members without stirrups. The area of the hollow was 2.32% of the concrete cross-sectional area. The hollow size used in this study is smaller than the maximum percentage required in the code, where the maximum hollow area was 4% of the total cross-sectional area. The longitudinal reinforcement used in the specimen varies with the three types of reinforcement ratios. The test was carried out using the four-point shear test to achieve the expected shear failure mode. The loading was given monotonically until the specimen failed. Analytical flexural capacity was also calculated using the fiber element method. The specimens failed in shear failure mode, indicated by large diagonal cracks in the observed shear span. The influence of the hollow on the shear strength was also compared with the theoretical shear capacity proposed by the code. This comparison shows that the calculated theoretical shear capacity is conservative for hollow reinforced concrete structural elements with a hollow area smaller than 4%. The results of the flexural analysis show that all the specimens did not reach the flexural capacity due to premature shear failure.

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Shear Capacity of Non-Metallic (FRP) Reinforced Concrete Beams with Stirrups

Cited by 9 publications

References 14 publications

A Review of Bond Behavior of Glass Fiber Reinforced Polymer Bars With Concrete

A Review of Bond Behavior of Glass Fiber Reinforced Polymer Bars With Concrete

Performance of RC Beams under Shear Loads Strengthened with Metallic and Non-Metallic Fibers

Shear Capacity of Hollow Reinforced Concrete Members without Stirrups

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