Experimental Investigation On Geopolymer Concrete Slabs Of Grade M25

Abstract

This Study Investigates The Performance Of M25 Grade Geopolymer Concrete (GPC) Slabs Reinforced With Glass Fibres (GF). Four Slab Specimens Of Size 600 Mm× 600 Mm × 50 Mm Were Casted And Tested Under Static Loading. The Mix Variations Included: (S1) Conventional M25 Concrete, (S2) M25 + GF, (S3) GPC M25 With 8 Molarity (8M) And (S4) GPC M25 + GF - 8M. Mechanical Properties Such As Compressive Strength, Flexural Strength, And Flexural Behaviour Were Evaluated. Among All Specimens, The Hybrid Fibre-reinforced GPC Slab (S4) Demonstrated The Best Performance. It Showed The Highest First Crack Load, Ultimate Deflection, And Enhanced Post- Peak Behaviour Under Flexural Loading. The Static Test Results For Specimen S4 Revealed An Ultimate Load-carrying Capacity Of 26.61 KN, A Ductility Index Of 8.72, And A Toughness Index Of 30.54. These Results Indicate That The Integration Of Glass Fibres Significantly Improves The Load- Bearing Capacity And Ductility Of GPC Slabs, Making Them A Viable Alternative To Conventional Concrete In Structural Applications

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