Performance Evaluation of Fiber-Reinforced M30 Concrete Using Steel and E-Glass Fibers

Sumit Kumar Paswan; Rachana Bajaj

doi:10.71097/IJSAT.v16.i3.6944

Performance Evaluation of Fiber-Reinforced M30 Concrete Using Steel and E-Glass Fibers

Author(s)	Mr. Sumit Kumar Paswan, Dr. Rachana Bajaj
Country	India
Abstract	Fiber-reinforced concrete (FRC), a high-performance material which has the potential of surmounting the limitations posed by regular concrete in brittleness and cracking properties, was recently innovated. By integrating discontinuous Fibers into the concrete matrix, FRC significantly improves toughness, post-cracking behavior, and overall durability. Fibers of different materials may improve different properties; for example, steel fibers increase energy absorption, flexural resistance, and tensile strength; E-glass fibers help with chemical resistance, fracture management, and decreased permeability. Additionally, their fibers aid in microstructural refinement and agent reduction in concrete. When applied in the right amounts, they provide a realistic and effective way to prolong the useful life of concrete buildings that are subjected to mechanical stress and severe weather. The study explores the enhancement of M30-grade concrete through the incorporation of steel and E-glass fibers to improve both mechanical strength and durability. By integrating fibers in varying volume fractions from 0.25% to 2.00%, the research identifies the optimal dosage range of 1.00% to 1.25% for maximum performance without compromising workability. Steel fibers significantly boosted compressive strength (up to 75.0 MPa from 65.0 MPa), split tensile strength (5.8 MPa from 4.5 MPa), and flexural strength (8.2 MPa from 6.1 MPa), while also increasing the modulus of elasticity to 30.5 GPa. E-glass fibers offered moderate strength improvements and excelled in chemical and corrosion resistance, reducing strength loss in acid environments to 10.4% compared to 15.6% in the control mix. Although higher fiber contents caused issues like poor dispersion and reduced flowability, these were managed using superplasticizers. Overall, fiber-reinforced concrete demonstrated considerable potential for use in structurally demanding and exposure-prone applications such as pavements, marine structures, and water-retaining systems. Its long-term durability and reduced maintenance make it a sustainable solution in modern construction.
Keywords	Fiber Reinforcement Concrete, Steel Fiber, E-Glass Fiber, High-Performance Fiber Reinforced Cementitious Composites, Compressive Strength, Split Tensile Strength, Flexural Strength, Modulus of Elasticity, Durability, Sustainable Construction
Field	Engineering
Published In	Volume 16, Issue 3, July-September 2025
Published On	2025-07-10
DOI	https://doi.org/10.71097/IJSAT.v16.i3.6944
Short DOI	https://doi.org/g9sx5d

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Performance Evaluation of Fiber-Reinforced M30 Concrete Using Steel and E-Glass Fibers

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