2005
DOI: 10.1617/13472
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Pull-out behaviour of hooked steel fibres

Abstract: A programme of research is described that has investigated the fracture of steel fibre reinforced sprayed concrete under flexural load, with the aim of developing a stress-profile model to predict flexural behaviour in the form of a load-deflection response. This paper reports the work associated with establishing the pull-out characteristics of hooked end fibres. The effects of matrix strength, fibre embedment length and orientation are described, together with the interaction of these parameters. The relatio… Show more

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Cited by 43 publications
(61 citation statements)
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“…It is important to remark that both models were extensively validated with the results from Leung [26], Robins [27] and Van Gysel [28]. The input parameters used for this study were the described by Laranjeira [23][24][25].…”
Section: Pull-out Response Of a Single Fibrementioning
confidence: 99%
“…It is important to remark that both models were extensively validated with the results from Leung [26], Robins [27] and Van Gysel [28]. The input parameters used for this study were the described by Laranjeira [23][24][25].…”
Section: Pull-out Response Of a Single Fibrementioning
confidence: 99%
“…Se aprecia que las probetas interiores tienen una mayor cantidad de fibras, pero no se aprecia relación alguna entre la cantidad de fibras y la dirección de extracción. Se observa también, que las probetas con un mayor número de fibras activas son las que mayor resistencia residual desarrollan, y confirmando trabajos anteriores [9] la mayor resistencia de las fibras se produce para direcciones con una ligera inclinación (máxima para 22.5º) respecto la dirección del esfuerzo.…”
Section: 2-fibras En La Sección De Roturaunclassified
“…Therefore, the longer the fibers the greater the capacity to resist pull out forces. This phenomenon is normally studied through experimental tests called pull-out tests Alwan (1990), Naaman (1991), Bazant (1995), Naaman (1996), Chanvillard (1999), Guerrero (2000), , Robins (2002), Naaman (2003), Sujivorakul (2003), Kanstad (2007), Cunha (2007) and Cunha (2008).…”
Section: Introductionmentioning
confidence: 99%
“…Este fenómeno de arrancamiento de barras embebidas en una matriz, normalmente se estudia mediante ensayos que en la bibliografía especializada se denominan común-mente ensayos de "Pull Out". Se pueden encontrar resultados de este tipo de ensayos en los trabajos realizados por Alwan (1990), Naaman (1991), Bazant (1995), Naaman (1996), Chanvillard (1999, Guerrero (2000), , Robins (2002), Naaman (2003, Sujivorakul (2003), Kanstad (2007), Cunha (2007 y Cunha (2008).En el caso de fibras de acero lisas (eje recto) inmersas en hormigón, las componentes básicas que contribuyen a la resistencia al arrancamiento son la adhesión y la fricción. En la Figura 1 se muestra la relación entre tensiones tangenciales en la interfaz fibra-matriz y el deslizamiento de la fibra.…”
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