CONFERENCE / REACT-2024

High-performance concrete (HPC) is an innovative material characterized by its exceptional strength, durability, and ductility in comparison to traditional concrete. It finds application in various high-stakes scenarios, including the construction of tallbuildings, the fabrication of long-span precast/pre stressed bridge girders, as well as in marine, aviation, and defense construction projects. The study focuses on the comparison of effect of different percentage of fibers (0%, 1%, 1.5%, 2%, 2.5%, 3%) and different type of fibers (Steel Fibers, Polypropylene Fibers, and a mix of both) on addition to high performance concrete. The investigation employs a comprehensive experimental approach to assess the fresh and hardened properties, through laboratory testing and analysis, such as slump flow ability and compressive strength test on the prepared mix. The results indicated that the compressive strength of the HPC exhibited a direct relationship with the fibre content, showing higher values with increased fibre content. Furthermore, with an increase in the percentage of fibres, the flow ability of the concrete reduced, necessitating higher dosage of superplasticizer. Notably, the study highlighted the substantial contribution of steel fibres to the compressive strength, as even a minor replacement with polypropylene fibres resulted in a significant reduction in strength.