Discussion on Steel Fiber Reinforced Concretes (SFRC)
Journal Title: Trends in Civil Engineering and its Architecture - Year 2018, Vol 2, Issue 5
Abstract
The use of Steel Fiber Reinforced Concrete (SFRC) has received a tremendous impulse in the last years in an attempt to push forward the boundaries of high-end structural applications. Generally, concrete is characterized by brittle failure, which limits the application and can be overcome by the inclusion of a small amount of short randomly distributed fibers (steel, glass, synthetic and natural) and can be practiced among others that remedy weaknesses of concrete, such as low ductility, high shrinkage cracking, low durability, etc. SFRC has the ability of excellent tensile strength, flexural strength, impact resistance, fatigue resistance, ductility and crack bridging. Therefore, it has been applied abroad in various professional fields of construction. Steel fiber reinforced concrete (SFRC) is a heterogeneous structural material comprising of typical concrete elements, with the addition of steel fibers to provide tensile resistance. These fibers are discontinuous discrete entities and are distributed and oriented randomly (nominally uniformly) throughout the concrete matrix. SFRC can be used by itself, or in conjunction with conventional reinforcing bars, depending on the application. [1]. SFRC’s are generally characterized by an enhanced post-cracking tensile residual strength due to the fiber reinforcement mechanisms provided by fibers bridging the crack surfaces [2]. This post peak tensile behavior is influenced mainly by the number of fibers effectively crossing a crack, their angle of orientation, and bonding strength properties of the type of fibers used.
Authors and Affiliations
Irem Şanal
Keywords
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- EP ID EP607624
- DOI 10.32474/TCEIA.2018.02.000146
- Views 80
- Downloads 0
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