Bibliographic citations
Vílchez, F., (2017). Influencia de la adición de las fibras de acero en la ductilidad de columnas de concreto reforzado [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/3566
Vílchez, F., Influencia de la adición de las fibras de acero en la ductilidad de columnas de concreto reforzado [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2017. https://hdl.handle.net/20.500.12759/3566
@misc{renati/377402,
title = "Influencia de la adición de las fibras de acero en la ductilidad de columnas de concreto reforzado",
author = "Vílchez Ulloa, Frank Anderson",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2017"
}
Reinforced concrete columns must venture the inelastic range to dissipate much of the energy, so that, if resistance and energy dissipation are maintained, the element is required to be ductile. In the E060 standards of the RNE 2009, transverse reinforcement requirements are established, such as maximum separations, confinement length (Lo) and seismic hooks. When a column was compressed axially, the material is pushed outward, resulting in increased cross-sectional dimensions and in turn lowering its axial load resistance. It is for this reason that the need arises to include the steel fibers in the concrete matrix so that they act by activating a series of mechanisms that oppose to the advance of the detachment of the concrete, denominating to this effect increase of the tenacity resulting in increase of the ductility. The experimental program was carried out including the design, construction and testing of the 18 columns under concentrated concentric load. There were 6 samples which were constructed with conventional concrete with areas of 3/8 ““, 12 mm and 1/2““ longitudinal steel, in addition 12 samples with the same area of steel already mentioned but including the respective percentage of Steel fiber 38.25kg/m3 and 58.87kg/m3 With the inclusion of 58.87 kg / m3 of steel fibers, better results was obtained in terms of Ductility and capacity of Resistance to Axial Load.
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