Parametric Study on the Influence of Steel and Polyester Fibers in the Self-compacting Concrete

Self-compacting concrete (SCC) is a relatively new type of concrete with high flowability and cohesiveness compared to conventional concrete. SCC offers several economical and technical benefits; the uses of fibers extend its possibilities. Fibers are known to significantly affect the workability of concrete. Therefore, an investigation was carried out to compare the properties of SCC with inclusion of steel and polyester fibers, In order to answer the question to what extent the workability of SCC is influenced. The Slump flow, J-ring flow, V-funnel, L-box and U-Box tests were used to evaluate the material characteristics of fresh concrete, some hardened properties such as compressive strength, tensile strength and flexural strength of the same mixes. Based on the results of the fresh properties of SCC with fibers, steel fibers produced more hindrance in flow than polyester fibers, while in hardened state steel fibers showed better strength.