Influencia de la orientación y la densidad de las fibras en la resistencia a tracción por flexión de hormigones

  1. Jesús Mínguez Algarra 1
  2. Dorys González Cabrera 1
  3. Miguel Ángel Vicente Cabrera 1
  1. 1 Universidad de Burgos
    info

    Universidad de Burgos

    Burgos, España

    ROR https://ror.org/049da5t36

Aldizkaria:
Hormigón y acero

ISSN: 0439-5689,  2605-1729

Argitalpen urtea: 2019

Zenbakia: 287

Orrialdeak: 15-21

Mota: Artikulua

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Beste argitalpen batzuk: Hormigón y acero

Laburpena

In this paper, a study is conducted on the relationship between fibre orientation and fibre volume fraction and residual flexural tensile strength. In order to do this, one steel fibre reinforced concrete deep beam was casted. A set of prismatic specimens were extracted from different parts of this deep beam and with different orientations. First, all these specimens were subjected to a computed tomography (CT-Scan) study in which the fibre orientation and fibre volume fraction was determined. These specimens were then subjected to 3-point bending testing, in accordance with current standards, and the residual flexural tensile strengths values were obtained (fR,i).

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