Mechanical characteristics appraisal for polypropylene fiber concrete via mathematical models

Abstract

Concrete has a high degree of fragility, bending strength, and endurance. Polypropylene mechanical properties such as compressive strength, flexural strength, and split tensile strength are correlated with the percentage of polypropylene fiber (PPF) using mathematical algebraic functions such as the Polynomial function, Exponential function, Fourier function, Gaussian function, the sum of the sine function, and Power function can be predicted their corresponding mechanical strengths. In addition, customs equations are considered in this study. The use of polypropylene fibers in concrete could help to improve the mechanical strength of concrete. Because of its operational superiority, the polypropylene fiber reinforced cement concrete matrix has grown dramatically. This paper investigates concrete statistical properties using polypropylene fibers as supporting material. On a volume basis, seven fiber concrete combinations were prepared with a limit of 0 percent, 0.2 percent, 0.35 percent, 0.5 percent, 0.75 percent, 1 percent, and 1.5 percent polypropylene fiber. 0.4 is the water-cement ratio is provided for all the mix proportions. The experimental results found that the mechanical properties of the concrete increase up to 0.5% of the polypropylene content in concrete. Compressive strength, split tensile strength, and flexural strength of the polypropylene concrete are increased by 17%, 15.58%, and 7.53%, respectively, compared to conventional concrete.