Performance Evaluation of High-Performance Fiber Reinforced Concrete Incorporating Fly Ash, Coir Husk Ash, and Hybrid Fibers

Year : 2025 | Volume : 12 | Issue : 02 | Page : 10 15
    By

    Muskan Gayakwad,

  • Harsh Rathore,

Abstract

High-Performance Fiber-Reinforced Concrete (HPFRC) is an advanced composite material designed to improve the mechanical properties and durability of conventional concrete. This study investigates the effects of fly ash (FA), coir pith ash (CPA), and various fiber reinforcements (polypropylene, coir, and kenaf) on the compressive strength of HPFRC. The research evaluates the influence of natural admixtures, single fiber additions, and hybrid fiber combinations to optimize mix proportions for enhanced structural performance. Experimental results indicate that the M4 mix (5% FA+5% CPA) achieved the highest compressive strength among natural admixture-based mixes, with a 4% increase compared to the control mix (M1). The inclusion of fibers further improved performance, with polypropylene (PP) fiber-reinforced concrete achieving the highest strength due to its low water absorption and high ductility. Conversely, kenaf fiber-reinforced concrete exhibited reduced strength, attributed to its high-water absorption. Hybrid fiber combinations demonstrated significant improvements in mechanical behavior. The M24 (0.75% PP+0.75% CPF) and M29 (1% PP+0.5% CPF) mixes attained the highest compressive strength among hybrid fiber-reinforced concretes. These results highlight the potential of hybrid fiber-reinforced HPFRC in achieving superior performance by balancing tensile and ductile properties. The work concludes that incorporating natural admixtures and hybrid fiber reinforcement enhances the strength, workability, and durability of HPFRC, making it a sustainable and high-performance material for structural applications.

Keywords: High-performance fiber-reinforced concrete, fly ash, coir pith ash, polypropylene fiber, kenaf fiber, hybrid fiber reinforcement, compressive strength, natural admixtures, sustainable concrete, mechanical properties

[This article belongs to Journal of Structural Engineering and Management ]

How to cite this article:
Muskan Gayakwad, Harsh Rathore. Performance Evaluation of High-Performance Fiber Reinforced Concrete Incorporating Fly Ash, Coir Husk Ash, and Hybrid Fibers. Journal of Structural Engineering and Management. 2025; 12(02):10-15.
How to cite this URL:
Muskan Gayakwad, Harsh Rathore. Performance Evaluation of High-Performance Fiber Reinforced Concrete Incorporating Fly Ash, Coir Husk Ash, and Hybrid Fibers. Journal of Structural Engineering and Management. 2025; 12(02):10-15. Available from: https://journals.stmjournals.com/josem/article=2025/view=232932


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Regular Issue Subscription Original Research
Volume 12
Issue 02
Received 21/03/2025
Accepted 14/04/2025
Published 21/04/2025
Publication Time 31 Days
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