Journal of Structural and Construction Engineering

Journal of Structural and Construction Engineering

Review of the Mechanical Properties of Fiber-Reinforced Concrete

Document Type : Review

Author
GholamReza Havaei
Assistant professor, Department of Civil and Environment Engineering, AmirKabir University of Technology, Tehran, Iran
10.22065/jsce.2025.525732.3742
Abstract
Concrete, as one of the most widely used construction materials in the world, despite its extensive application in the construction industry, has certain limitations, including low tensile strength, which restricts its use in tensile and bending conditions. To improve this property, the use of reinforcing fibers in concrete mixtures has been widely considered. This paper examines the impact of various types of fibers, including steel, polypropylene, and other fibers, on the mechanical properties of concrete. The results show that adding steel fibers increases the tensile and impact resistance of concrete, improves flexural and compressive properties, and reduces cracking. Additionally, the use of polypropylene fibers in hybrid concrete mixtures enhances the behavior of concrete after cracking and increases its resistance to impact. However, high temperatures can reduce the mechanical properties of concrete, and the combination of steel and polypropylene fibers in these conditions can help increase the concrete's resistance to heat. Finally, the use of pozzolanic materials such as microsilica along with fibers can improve the durability and resistance of concrete, especially at high temperatures. These results indicate that adding fibers to concrete can be an effective solution for improving the mechanical properties and durability of concrete under various conditions. .
Keywords
Fiber-reinforced
compressive strength
stress-strain curve
steel fibers polypropylene fibers
concrete

Subjects

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  • Receive Date 23 September 2022
  • Revise Date 18 December 2022
  • Accept Date 18 January 2023