Effects of Fibre Geometry and Volume Fraction on the Flexural Behaviour of Steel-Fibre Reinforced Concrete

Strain ◽  
2009 ◽  
Vol 47 ◽  
pp. e535-e541 ◽  
Author(s):  
D. V. Soulioti ◽  
N. M. Barkoula ◽  
A. Paipetis ◽  
T. E. Matikas
2017 ◽  
Vol 23 (6) ◽  
pp. 806-813 ◽  
Author(s):  
Inmaculada MARTÍNEZ-PÉREZ ◽  
Juozas VALIVONIS ◽  
Remigijus ŠALNA ◽  
Alfonso COBO-ESCAMILLA

The building of structures from steel fibre reinforced concrete (SFRC) in the external and conventional rein­forced concrete (RC) in the internal layer represents an economical alternative of structures effectively using SFRC. The paper presents test results of flexural behaviour of layered beams with SFRC external layers and RC internal layer. The behaviour of these beams is compared to test results of SFRC and conventional RC beams. The test results show, that the flexural load capacity for all series of beams is nearly similar, but the deflections of layered beams are less comparing to monolithic ones. It also been shown that the equations indicated in the Eurocode 2 can be used to design the flexural reinforcement in layered SFRC beams.


2016 ◽  
Vol 126 ◽  
pp. 253-262 ◽  
Author(s):  
Bensaid Boulekbache ◽  
Mostefa Hamrat ◽  
Mohamed Chemrouk ◽  
Sofiane Amziane

2018 ◽  
Vol 189 ◽  
pp. 1007-1018 ◽  
Author(s):  
Zahran Al-Kamyani ◽  
Fabio P. Figueiredo ◽  
Hang Hu ◽  
Maurizio Guadagnini ◽  
Kypros Pilakoutas

2015 ◽  
Vol 1106 ◽  
pp. 136-139
Author(s):  
Josef Fládr ◽  
Iva Broukalová

The paper describes a new methodology of investigation of long-term behaviour of fibre reinforced concrete (FRC) with of synthetic fibres. A set of tests was manufactured from FRC with synthetic fibres commonly used for production of FRC and referential set from SFRC (steel fibre reinforced concrete) and subjected to long-term loading. The testing is based on three-point flexural loading. In given time intervals deflections are measured and recorded. Results of investigations are presented and discussed.


Steel Fibre Reinforced Concrete is used in a number of applications such as ground slabs, shotcrete, pavements etc to enhance the performance of plain and reinforced concrete. The study on durability characteristics of fiber reinforced concrete is scanty and hence the study on permeability is essential. This paper deals with the study on the permeability of steel fibre reinforced concrete. Deformed Steel fibres with different volume fraction were used in this study. Permeability was observed to decrease significantly with the addition of fibres and it continued to decrease with the increase in fibre content. Permeability tests were conducted using permeability test apparatus as per IS 3085 -1965. Mathematical equations were derived to determine the permeability using the parameters, volume fraction of fibers,and age of curing.


2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
M. P. Singh ◽  
S. P. Singh ◽  
A. P. Singh

Results of an investigation conducted to study the effect of fibre hybridization on the strength characteristics such as compressive strength, split tensile strength, and water permeability of steel fibre reinforced concrete (SFRC) are presented. Steel fibres of different lengths, that is, 12.5 mm, 25 mm, and 50 mm, having constant diameter of 0.6 mm, were systematically combined in different mix proportions to obtain mono, binary, and ternary combinations at each of 0.5%, 1.0%, and 1.5% fibre volume fraction. A concrete mix containing no fibres was also cast for reference purpose. A total number of 1440 cube specimens of size 100*100*100 mm were tested, 480 each for compressive strength, split tensile strength, and water permeability at 7, 28, 90, and 120 days of curing. It has been observed from the results of this investigation that a fibre combination of 33% 12.5 mm + 33% 25 mm + 33% 50 mm long fibres can be adjudged as the most appropriate combination to be employed in hybrid steel fibre reinforced concrete (HySFRC) for optimum performance in terms of compressive strength, split tensile strength and water permeability requirements taken together.


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