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The research aims to evaluate the impact of various fiber reinforcements on the mechanical properties of concrete beams.

March 27, 2026Construction MaterialsOpen Access

Stress–Strain State and Strength of Fiber-Reinforced Concrete Beams with Basalt, Steel, and Polypropylene Fibers

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Experimental analysis shows fiber-reinforced concrete improves mechanical performance in beams, suggesting an effective strengthening method.

The research aims to evaluate the impact of various fiber reinforcements on the mechanical properties of concrete beams.
Standardized casting and curing of concrete cubes, prisms, and cylinders
Creation of beam specimens using basalt, steel, and polypropylene fibers
Conducted controlled shear tests to measure crack initiation, propagation, and deformation
Basalt fibers increased compressive strength by up to 20.8% and tensile strength by 30.8%
Steel fibers provided maximum compressive strength of 47.2 MPa and flexural strength of 6.56 MPa
Additional fibers reduced crack widths and delayed crack propagation, enhancing load-bearing capacity

Martazaev et al. (2026) studied this question.

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Experimental analysis shows fiber-reinforced concrete improves mechanical performance in beams, suggesting an effective strengthening method.