Steel fibre self-compacting concrete under biaxial loading

Mohamed, Roslli Noor; Zamri, Nor Fazlin; Elliott, Kim S.; Rahman, Ahmad Baharuddin Abdul; Bakhary, Norhisham

doi:10.1016/j.conbuildmat.2019.07.076

Cited by 23 publications

(5 citation statements)

References 31 publications

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“…Thus, for each value of the steel fiber volume fraction ratio, the corresponding line equation which is used to calculate τ ult should be determined. Based on the related literature [55][56][57][58][59][60][61][62][63][64][65][66][67], a coefficient, m, should be adopted for properly modifying Equation (20) to calculate the ultimate shear stress when using HSFC or UHSFC with fiber volume fraction ratio equal to 1.0% or 1.5% (Equation ( 21)). Kölle [59] experimentally investigated the biaxial strength of high performance SFC for different fiber types and for different fiber volume fraction ratios.…”

Section: Proposed Approach For the Design Of Hsfc And Uhsfc Jacketsmentioning

confidence: 99%

Analytical Model for the Design of HSFC and UHSFC Jackets with Various Steel Fiber Volume Fraction Ratios for the Retrofitting of RC Beam-Column Joints

Tsonos

Kalogeropoulos

2021

Sustainability

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High-strength steel fiber-reinforced concrete (HSFC) and ultra-high strength steel fiber-reinforced concrete (UHSFC) jackets have been proved experimentally to be much more effective with respect to other strengthening schemes in improving the hysteresis performance of existing substandard reinforced concrete (RC) structural members. In this paper, an existing analytical model for the prediction of the shear capacity of RC beam-column joints strengthened with a HSFC or UHSFC jacket is extended to provide design formulation of these innovative HSFC and UHSFC jackets. An authoritative validation of the proposed formulation is also achieved by comparisons of experimental results of 50 beam-column joint specimens with the analytical predictions of the model. Test data used for verification have been collected from the literature based on experimental studies of the authors and other researchers. The merits of the HSFC and UHSFC jacketing technique are also highlighted in the state of practice. Design and application of the proposed fiber-reinforced concrete jackets in deficient existing RC beam-column joints provides a sustainable strengthening technique by contributing to the reduction in the cost and to labor-intensive procedures of common jackets by completely replacing the installation of reinforcement.

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Section: Proposed Approach For the Design Of Hsfc And Uhsfc Jacketsmentioning

confidence: 99%

Analytical Model for the Design of HSFC and UHSFC Jackets with Various Steel Fiber Volume Fraction Ratios for the Retrofitting of RC Beam-Column Joints

Tsonos

Kalogeropoulos

2021

Sustainability

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“…Upon cracking, the steel fibres in case of self-compacting FRC continue to carry and distribute stresses. Steel fibres that are by intention randomly disperse throughout the fibre concrete, bridge the internal microcracks and distribute the loads, thus contributing to the cohesiveness of the material (Mohamed et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Flexural Behaviour of Two Ribbed SFRC Slab Reinforced with GFRP Bars

Baharin,

Ahmad,

Hizdrami

2023

JSCET

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This study presents the results of an experimental investigation on the application of steel fibres (SF) in combination with glass fibre reinforced polymer (GFRP) bars as the steel reinforcement replacement in a ribbed slab structure. The promising ability of steel fibre reinforced concrete (SFRC) to reduce the formation of cracks and increase the tensile strength of concrete has made it an attractive composite material for numerous civil construction applications. However, previous research had shown that the performance of the steel fibres on their own to replace steel reinforcements is still in doubt. Therefore, the GFRP bar is chosen due to its structural performance with flexural reinforcement with less weight and corrosion resistance. The influence of the steel fibres and GFRP bars on the two-ribbed slab flexural performance was investigated. Three (3) numbers of slab panels were cast, consisting of one solid SFRC slab (solid-SF), one SFRC ribbed slab (rib-SF), and one SFRC ribbed slab reinforced with GFRP bars (rib-SF-GFRP). All slab samples measuring 1000 mm x 1500 mm x 75 mm thickness were tested under bending and the results showed that the SFRC ribbed slab reinforced with GFRP (rib-SF-GFRP) is efficient in the flexural performance by exhibiting the highest first crack and ultimate load.

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“…Furthermore, using the same year's regression analysis parameters, a quadratic polynomial equation may determine the particular conditions for failure [21].…”

Section: Introductionmentioning

confidence: 99%

Experimental Analysis of Self-Compacting Concrete Behavior by Replacing Cement with Fly ash

Bari J,

Singh A

2023

E3S Web Conf.

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The experiment looked at how self-compacting concrete behaves when Fly ash is used to replace a portion of cement. SCC’s popularity has risen dramatically in recent years. The study’s goal was to see how different amounts impact the characteristics such as the compressive strength and long-term durability of SCC. The goal of this research is to see whether a portion of the cement in SCC and other types of concrete might be replaced with fly ash might impact the SCC’s qualities. Several SCC mixes were made during the experimental stage using various fly ash and cement ratios. Following that, the ability of these mixtures to be worked was evaluated using a number of different tests. Other characteristics of the mixtures were investigated as well, specifically their resistance to deformation. Findings of this research suggest that employing fly ash instead of cement may be a realistic and environmentally benign strategy to significantly improve SCC performance while also saving money. The results have the potential to serve as a useful resource for both building professionals and academics engaged in the conception and creation of concrete that is both resistant to wear and tear and kind to the natural world.

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Steel fibre self-compacting concrete under biaxial loading

Cited by 23 publications

References 31 publications

Analytical Model for the Design of HSFC and UHSFC Jackets with Various Steel Fiber Volume Fraction Ratios for the Retrofitting of RC Beam-Column Joints

Analytical Model for the Design of HSFC and UHSFC Jackets with Various Steel Fiber Volume Fraction Ratios for the Retrofitting of RC Beam-Column Joints

Flexural Behaviour of Two Ribbed SFRC Slab Reinforced with GFRP Bars

Experimental Analysis of Self-Compacting Concrete Behavior by Replacing Cement with Fly ash

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