Experimental Investigation on Concrete with Nano Silica and Polyvinyl Alcohol Fiber
Year: 2026
Type: article
Abstract: This experimental study investigates the combined effect of Nano Silica (NS) and Polyvinyl Alcohol (PVA) fiber in M30 grade concrete. Nano Silica owing to its ultrafine particle size and high pozzolanic reactivity acts as a micro-filler and accelerates the formation of calcium silicate hydrate (C–S–H) gel thereby refining the pore structure and improving compressive strength. PVA fibers with their high tensile strength and excellent bonding properties, bridge micro-cracks and enhance ductility and toughness of the concrete matrix. In this study Nano Silica was used as a partial replacement for cement at 1%, 2%, and 3% by weight, while PVA fiber was added as 0.5% by volume of concrete. The specimens were tested for compressive strength, split tensile strength, and flexural strength at 7 and 28 days of curing.
Authors: Dr. S. Sundari, Sorna. K
Institution: Government of Tamil Nadu
Language: English
Subfield: Civil and Structural Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7128791669
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