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Resumen En la actualidad el hormigon es un material indispensable en la construccion. Tiene muchas ventajas, entre las que destaca su alta resistencia a compresion, pero a su vez presenta algunas deficiencias sobre las que se va a centrar este documento. Entre las deficiencias mas destacables estan la baja resistencia a traccion del material y su comportamiento fragil. Por ello desde sus origenes se ha intentado cubrir esas deficiencias utilizando diferentes tipos de materiales para reforzar y complementar las capacidades estructurales del hormigon. La incorporacion de fibras en este material ha ido implantandose en el mercado ya que gracias a sus caracteristicas ayudan a abaratar los costos de ejecucion y a una sustitucion parcial o total de la armadura. En este trabajo se hara un repaso a al uso de los hormigones autocompactantes en la construccion y a las diferentes tipos de fibras que pueden aplicarse al hormigon convencional para la mejora de la tenacidad, control de fisuracion y resistencia a flexotraccion, con el fin de elaborar un hormigon autocompactante con fibras de acero que reuna las caracteristicas propias del hormigon y que optimice algunos aspectos del mismos. Abstract Concrete is now an indispensable material in construction. It has many advantages, including its high resistance to compression, but in turn presents some deficiencies on which this document will be focused. Among the most notable deficiencies are the low tensile strength of the material and its brittle behavior. Therefore, from the outset, attempts have been made to cover these deficiencies by using different types of materials to reinforce and complement the structural capacities of concrete. The incorporation of fibers in this material has been implanted in the market since, thanks to their characteristics, they help to reduce the execution costs and to a partial or total replacement of the armature. This work will review the use of self-compacting concrete in construction and the different types of fibers that can be applied to conventional concrete for the improvement of toughness, cracking control and flexural strength, in order to develop a Self-compacting concrete with steel fibers that meets the specific characteristics of the concrete and that optimizes some aspects of the same.

Revisión del empleo de fibras de acero en hormigones autocompactantes = Review of the steel fibers use in concrete self-compacting