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Steel fibers

Experimental analysis of the efficiency of steel fibers on shear strength of beams

Experimental analysis of the efficiency of steel fibers on shear strength of beams

... dosed, fibers may transform the failure mode from fragile (shearing) to ductile ...of steel fibers in beam shear strength with a minimum transversal reinforcement rate (ρ w,min ), to verify the ...

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An experimental study on flexural strength enhancement  of concrete by means of small steel fibers

An experimental study on flexural strength enhancement of concrete by means of small steel fibers

... small steel fiber reinforced concrete (SFRC) ...longer fibers and higher fiber content provide higher energy absorption ...synthetic fibers has been investigated for analysis flexural ...

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Punching shear in concrete reinforced flat slabs with steel fibers and shear reinforcement Punção em lajes lisas de concreto armado com fibras de aço e armadura de cisalhamento

Punching shear in concrete reinforced flat slabs with steel fibers and shear reinforcement Punção em lajes lisas de concreto armado com fibras de aço e armadura de cisalhamento

... Eight square reinforced concrete slabs were tested until failure. The slabs were 1800mm long with a thickness of 130 mm. The most important variables used were: existence and amount of shear reinforcement, and use of ...

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Pullout Characterizations of Various Steel Fibers Embedded in Very High-Strength Concrete

Pullout Characterizations of Various Steel Fibers Embedded in Very High-Strength Concrete

... of steel fibers can improve the tensile characteristics of such material and increases both first- crack and peak loads, as well as the flexural ...on fibers’ interaction with the cementitous matrix ...

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Design of reinforced concrete beams with steel fibers in the ultimate limit state Verificação de vigas de concreto armado reforçadas com fibras de aço no estado limite último

Design of reinforced concrete beams with steel fibers in the ultimate limit state Verificação de vigas de concreto armado reforçadas com fibras de aço no estado limite último

... with steel fibers incorporation tested in ...with steel fibers incorporation are also ...with steel fibers incorporation are carried out using MC 2010 design ...of fibers ...

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Design of reinforced concrete beams with steel fibers in the ultimate limit state Verificação de vigas de concreto armado reforçadas com fibras de aço no estado limite último

Design of reinforced concrete beams with steel fibers in the ultimate limit state Verificação de vigas de concreto armado reforçadas com fibras de aço no estado limite último

... notched steel fiber reinforced concrete (FRC) beams following EN 14651 procedures are ...with steel fibers, according to MC 2010, is carried ...

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Avaliação do desempenho mecânico de misturas asfálticas autorregenerativas com adição de fibras de aço, escória de alto forno e pó de grafite / Evaluation of the mechanical performance of self-healing asphalt mixtures with addition of steel fibers, steel

Avaliação do desempenho mecânico de misturas asfálticas autorregenerativas com adição de fibras de aço, escória de alto forno e pó de grafite / Evaluation of the mechanical performance of self-healing asphalt mixtures with addition of steel fibers, steel slag and graphite poder

... Self-healing asphalt mixtures are materials capable of healing cracks produced by fatigue. The phenomenon of self-healing consists in incorporating microwaves irradiation heating susceptible additives in asphalt. ...

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Reuse of Lathe Waste Steel Scrap in Concrete Pavements

Reuse of Lathe Waste Steel Scrap in Concrete Pavements

... flames. Steel fibers reinforce in concrete improve the performance under extreme temperature and ...concrete; fibers will not prevent failure under such extreme temperature but increases its time of ...

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Mat. Res.  vol.13 número2

Mat. Res. vol.13 número2

... hooked steel fibers on plastic shrinkage cracking behavior together with some other properties of ...adding steel fibers of 3 different volumes of 3 different aspect ...that steel ...

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Lat. Am. j. solids struct.  vol.13 número9

Lat. Am. j. solids struct. vol.13 número9

... ceramic fibers were ...ceramic fibers reinforced concrete using  100 mm SHPB apparatus for strain rates of 20 to 130 s -1 ...of steel fibers for both DIF (strength) and DIF ...

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Análise experimental de dormentes de concreto protendido reforçados com fibras de...

Análise experimental de dormentes de concreto protendido reforçados com fibras de...

... This work describes a prestressed concrete monoblock railway sleeper designed according to a Brazilian railway track. The sleeper was tested according to the AREMA Specifications in order to verify the project. The ...

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Structural Behavior of RC Beams Containing a Pre- Diagonal Tension Crack

Structural Behavior of RC Beams Containing a Pre- Diagonal Tension Crack

... The effect of concretes compositions and strength on the shear behavior of RC beams was investigated by Chiu et al (2016); Resende et al (2016); Sagaseta (2013). Lim and Hong (2016) studied the shear behavior of ...

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Optogenetic Activation of a Lateral Hypothalamic-Ventral Tegmental Drive-Reward Pathway.

Optogenetic Activation of a Lateral Hypothalamic-Ventral Tegmental Drive-Reward Pathway.

... (MFB) fibers of passage in both effects, and optogenetic studies confirm a contribution from fibers originating in the lateral hypothalamic area and projecting to or through the ventral tegmental ...

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Polímeros  vol.26 número2

Polímeros vol.26 número2

... the fibers are partially covered by the ...the fibers and the matrix in Figure 7d can be an indication that the EVA phase is responsible for the good fiber/matrix adhesion in the ...

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Arq. NeuroPsiquiatr.  vol.70 número5

Arq. NeuroPsiquiatr. vol.70 número5

... (A/B) fibers with simple necrosis (case 2; hematoxylin- eosin); (C) fibers with simple necrosis (case 8; modified Gomori trichrome); (D) fibers with simple necrosis (case 2; alkaline phosphatase); ...

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Difference in the electromyographic onset of the deep and superficial multifidus during shoulder movement while standing.

Difference in the electromyographic onset of the deep and superficial multifidus during shoulder movement while standing.

... deep fibers of the lumbar multifidus (DM) are not dependent on the direction of arm movement, unlike the su- perficial fibers of the lumbar multifidus (SM) ...

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Clinics  vol.70 número5

Clinics vol.70 número5

... in the perimenopausal and postmenopausal years. Genetic and autoimmune factors have been reported in the etiology of this dermatosis (3). The association with organ-specific autoimmune disease has suggested that LS may ...

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Arq. NeuroPsiquiatr.  vol.46 número2

Arq. NeuroPsiquiatr. vol.46 número2

... Lowenfeld and Thompson 4 proposed that the tonic pupil may be explained by a misregeneration of parasympathetic fibers, originally supplying the ciliary muscle to postganglionic fibers[r] ...

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ARQUITETURA E TECNOLOGIA EM SISTEMAS CONSTRUTIVOS INDUSTRIALIZADOS: LIGHT STEEL FRAMING

ARQUITETURA E TECNOLOGIA EM SISTEMAS CONSTRUTIVOS INDUSTRIALIZADOS: LIGHT STEEL FRAMING

... A fita metálica evita a rotação dos montantes quando sujeitos a carregamentos normais de compressão, além de diminuir o comprimento de flambagem dos mesmos (Pereira Jr., 2004). A fita metálica deve ser em aço galvanizado ...

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Braz. J. Chem. Eng.  vol.34 número1

Braz. J. Chem. Eng. vol.34 número1

... Although fibers were formed, a polymer solution instability at the needle tip was observed, and a thick jet was often ejected, reaching the collector without sufficient solvent ...form fibers in the range ...

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