Strength Enhancement of Concrete Tiles Using Short Glass Fibres
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Strength Enhancement of Concrete Tiles Using Short Glass Fibres
Authors:
Vidyanand Madhukar Yadav1, Parmeshwar Sahu2, Shiva Verma3
M.Tech. Scholar, Assistant Professor, Assistant Professor
Department of Civil Engineering
Shri Rawatpura Sarkar University, Raipur
Abstract:- The purpose of this study was to evaluate the strength enhancement of concrete tiles through the incorporation of short glass fibres. Specifically, the research investigated how alkali-resistant glass fibres influence the compressive, split-tensile, and flexural strengths of M-20 grade concrete, designed in accordance with IS 10262. Aggregates with a maximum size of 20 mm were used in casting six cubes, six cylinders, and six prisms, which were then tested to determine their respective strength characteristics. In addition, the study explored a practical application of glass fibre reinforced concrete (GFRC) by developing 20 mm-thick cement concrete tiles without the need for specialised manufacturing methods. For the tile specimens, the maximum aggregate size was reduced to 8 mm. The mix ratio was maintained at 1:1.78:2.66, with a water-cement ratio kept constant and admixture dosages varied from 0.8% to 1.5% to maintain a slump between 50 mm and 100 mm. The study assessed the effect of 30 mm long chopped glass fibres on water absorption, compressive strength, and wet transverse strength. Six full-sized tiles (400 × 400 × 20 mm) were tested, and pulse velocity measurements were conducted to evaluate the internal quality of the concrete. The results demonstrate that the inclusion of short glass fibres significantly enhances the structural integrity and durability of concrete tiles.
Keywords:- GFRC, M-20 Grade Concrete, Flexural Strength, Split Tensile Strength, Compressive Strength, Short Fibers.