High mechanical performance of fibre reinforced cementitious composites: the role of “casting-flow induced” fibre orientation

Ferrara, Liberato; Özyurt, Nilüfer; Prisco, Marco di

doi:10.1617/s11527-010-9613-9

Cited by 225 publications

(131 citation statements)

References 18 publications

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“…Stroeven and J.Hu, L.Ferrara et al, P. Purnell et al [14,18,45], by C.Redon et al [17], who used a Fourier transform and by C. Redon et al, P.Stroeven [43,46], who used image analysis on 2D X-ray transmission images. This is not a problem of the image analysis software employed, but fundamental to the analysis of 2D images, which can only contain limited information.…”

Section: Slicing With Photometric Analysismentioning

confidence: 99%

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DC-conductivity testing combined with photometry for measuring fibre orientations in SFRC

et al. 2013

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Dissertation for the Doctoral degree to be presented with due permissions of the School of Engineering, Aalto University and Tallinn University of Technology for public examination and debate in Auditorium R1 (Rakentajanaukio 4A) at the Aalto University (Espoo, Finland) on the 4th of April 2014 at 12 noon. Aalto University School of Engineering Tallinn University of TechnologyS up e r v i s i ng p r o f e s s o r P ro f e s s o r J ari P ut t o ne n, A al t o U ni v e rs i t y , F i nl and T h e s i s a d v i s o r D r. re r. nat . H e i k o H e rrmann, T al l i nn U ni v e rs i t y o f T e c h no l o g y , E s t o ni aP r e l i mi na r y e x a mi ne r s P ro f e s s o r H o l m A l t e nb ac h , F ac ul t y o f M e c h ani c al E ng i ne e ri ng , O t t ov o n G ue ri c k e -U ni v e rs i t ät M ag d e b urg , G e rmany P ro f e s s o r K e nne t h R une s s o n, D e p art me nt o f A p p l i e d M e c h ani c s , C h al me rs U ni v e rs i t y o f T e c h no l o g y , S w e d e n O p p o ne nt P ro f e s s o r K ari n L und g re n, D e p art me nt o f C i v i l and E nv i ro nme nt al E ng i ne e ri ng , C h al me rs U ni v e rs i t y o f T e c h no l o g y , S w e d e n A al t o U ni v e rs i t y p ub l i c at i o n s e ri e s D O C T O R A L D I S S E R T A T I O N S 2 8/ 2 0 1 4© M ari k a E i k I S BN 9 7 8-9 5 2 -6 0 -5 5 9 1 -6 I S BN 9 7 8-9 5 2 -6 0 -5 5 9 2 -3 ( p d f ) I S S N -L 1 7 9 9 -4 9 34 I S S N 1 7 9 9 -4 9 34 ( p ri nt e d ) I S S N 1 7 9 9 -4 9 4 2 ( p d f ) h t t p : / / urn. f i / U R N : I S BN : 9 7 8-9 5 2 -6 0 -5 5 9 2 -3 U ni g raf i a O y H e l s i nk i 2 0 1 4 F i nl and S up e r v i s i ng p r o f e s s o r P ro f e s s o r J ari P ut t o ne n, A al t o U ni v e rs i t y , F i nl andT h e s i s a d v i s o r D r. re r. nat . H e i k o H e rrmann, T al l i nn U ni v e rs i t y o f T e c h no l o g y , E s t o ni a P r e l i mi na r y e x a mi ne r s P ro f e s s o r H o l m A l t e nb ac h , F ac ul t y o f M e c h ani c al E ng i ne e ri ng , O t t ov o n G ue ri c k e -U ni v e rs i t ät M ag d e b urg , G e rmany P ro f e s s o r K e nne t h R une s s o n, D e p art me nt o f A p p l i e d M e c h ani c s , C h al me rs U ni v e rs i t y o f T e c h no l o g y , S w e d e n O p p o ne nt P ro f e s s o r K ari n L und g re n, D e p art me nt o f C i v i l and E nv i ro nme nt al E ng i ne e ri ng , C h al me rs U ni v e rs i t y o f T e c h no l o g y , S w e d e n A al t o U ni v e rs i t y p ub l i c at i o n s e ri e s D O C T O R A L D I S S E R T A T I O N S 2 8/ 2 0 1 4 © M ari k a E i k I S BN 9 7 8-9 5 2 -6 0 -5 5 9 1 -6 I S BN 9 7 8-9 5 2 -6 0 -5 5 9 2 -3 ( p d f ) I S S N -L 1 7 9 9 -4 9 34 I S S N 1 7 9 9 -4 9 34 ( p ri nt e d ) I S S N 1 7 9 9 -4 9 4 2 ( p d f ) h t t p : / / urn. f i / U R N : I S BN : 9 7 8-9 5 2 -6 0 -5 5 9 2 -3 U ni g raf i a O y H e l s i nk i 2 0 1 4 F i nl and S up e r v i s i ng p r o f e s s o r P ro f e s s o r J ari P ut t o ne n, A al t o U ni v e rs i t y , F i nl and © M ari k a E i k I S BN 9 7 8-9 5 2 -6 0 -5 5 9 1 -6 I S BN 9 7 8-...

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Section: Slicing With Photometric Analysismentioning

confidence: 99%

“…The studies such as [11,12] were focused on constitutive mappings. In some recent works [13,14,15,16,17,18,16,19] …”

Section: Introductionmentioning

confidence: 99%

DC-conductivity testing combined with photometry for measuring fibre orientations in SFRC

et al. 2013

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“…An inverse finite element analysis method was also proposed by Neocleous et al [22] for deriving the tensile characteristics of Steel Fibre Reinforced Concrete (SFRC). The effect of fibre distribution on UHPFRC was highlighted in Ferrara et al [23]. In this study the effect of different fibre orientations was examined.…”

Section: Introductionmentioning

confidence: 87%

“…From these slabs, beam specimens were cut with their axis parallel and perpendicular to the flow direction. From the results it was evident that the orientation of the fibers affects considerably the mechanical performance of fiber reinforced cementitious composites [23].…”

Section: Introductionmentioning

confidence: 99%

Strengthening of reinforced concrete beams using ultra high performance fibre reinforced concrete (UHPFRC)

Λαμπρόπουλος

Paschalis

Τσιούλου

et al. 2016

Engineering Structures

255

142

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In this study the efficiency of the use of Ultra High Performance Fibre Reinforced Concrete (UHPFRC) for the strengthening of existing Reinforced Concrete (RC) beams has been investigated. Experimental work has been conducted to determine UHPFRC material properties. Dog-bone shaped specimens have been tested under direct tensile loading, and standard cubes have been tested in compression. These results have been used for the development of a numerical model using Finite Element Method. The reliability of the numerical model has been validated using further experimental results of UHPFRC layers tested under flexural loading. Further numerical study has been conducted on full-scale beams strengthened with UHPFRC layers and jackets, and these results were compared to respective results of beams strengthened with conventional RC layers and with combination of UHPFRC and steel reinforcing bars. Superior performance was observed for strengthened beams with UHPFRC three side jackets, and the efficiency of this technique was highlighted by comparisons with other strengthening techniques.

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“…The flexural tests show that the mechanical behaviour depends on the fibre distribution and orientation. Ferrara et al (2011) studied the effects of flow and its consequences on the anisotropy of the material behaviour, which have to be taken into account with regard to the post-peak parameters used in structural design. Boulekbache (2010) examined the characterisation of fibre orientation in flowing concrete with a yield stress model.…”

Section: Notationmentioning

confidence: 99%

Numerical simulation of the distribution and orientation of steel fibres in the SCC

Bao

et al. 2017

Magazine of Concrete Research

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Currently, steel-fibre-reinforced self-compacting concrete (SFRSCC) is widely used in infrastructure construction. The distribution and orientation of the fibres could directly determine the mechanical properties and behaviours of the SFRSCC component. This paper presents a new numerical simulation that can be used to calculate the distribution and orientation of the fibres in the SCC during the casting procedure. The casting procedure of the SFRSCC is investigated by using the computational fluid dynamics software CFX, based on the finite-volume method. The motion of the fibres can be simplified into translation and rotation, and the Matlab program simulates the procedure. To verify the method's accuracy, a casting procedure for a SFRSCC beam was simulated and the fibres' density in three orthogonal planes was investigated. The calculation results show good agreement with the experimental results, and the method is effective in analysing the distribution and orientation of fibres in SCC. To further analyse the orientation of fibres, the angles between three axes and fibre projection in three different planes are discussed. The beam can be divided into six parts according to the variation of the angle between the X axis and the projection of fibres in the XY plane.

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High mechanical performance of fibre reinforced cementitious composites: the role of “casting-flow induced” fibre orientation

Cited by 225 publications

References 18 publications

DC-conductivity testing combined with photometry for measuring fibre orientations in SFRC

DC-conductivity testing combined with photometry for measuring fibre orientations in SFRC

Strengthening of reinforced concrete beams using ultra high performance fibre reinforced concrete (UHPFRC)

Numerical simulation of the distribution and orientation of steel fibres in the SCC

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