Characterisation of unidirectional tensile failure performance of steel fibre nano high strength concrete Online publication date: Thu, 09-Nov-2023
by Ye He
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 16, No. 6, 2023
Abstract: The addition of steel fibres to concrete can result in changes to its mechanical properties. Therefore, research has been conducted on the characterisation of unidirectional tensile performance failure of steel fibre nano high-strength concrete. Increasing the amount of steel fibre can significantly improve the concrete's crack resistance, tensile strength, and flexural stiffness. However, it also affects the deformation characteristics of concrete and reduces its stiffness. Research has shown that as the steel fibre content increases, the total deformation of concrete increases while the crack propagation width decreases. Excessive steel fibre content can lead to a decrease in the stiffness of concrete and adverse degradation. In practical applications, the appropriate amount of steel fibre should be selected based on the specific situation to ensure the mechanical properties and effectiveness of concrete.
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