Determination of Mechanical Properties of Hybrid Steel-Nylon Fiber Reinforced Concrete

Mazin Burhan Adeen, Alya'a Abbas Al-Attar, Sa'ad Mahmoud Ra'ouf


This study aims to characterize and quantify the mechanical properties of hybrid steel-nylon fiber reinforced concrete. In order to achieve and verify that, 0.5%, 1% and 1.5% fiber percentage by volume of concrete are used in this study with five different mixes of 100-0%, 70-30%, 50-50%, 30-70% and 0-100% for each fibers percentage (nylon to steel).

28-day compressive strength, split tensile strength and modulus of rupture (MOR) tests have been performed in the hardened state. The total tested specimen are 144 specimens. Superplsticizer and silica fume are used in all the mixes to enhance the FRC mechanical properties.

When compared to the control sample that contains no fibers, with the increase of fiber ratio, compression strength, split-tensile strength and flexural strength of concrete increase up to 242%, 182% and 181% respectively. The result showed that the steel fibers improve the concrete properties better than the nylon fiber due to their higher tensile strength.

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Modern Applied Science   ISSN 1913-1844 (Print)   ISSN 1913-1852 (Online)

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