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

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.