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Compressive Strength Behavior Glass Fibre Reinforced Blast Furnace Slag-Based Material

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Document pages: 6 pages

Abstract: This article presents experimental study on newly developed Glass Fibre Reinforced Blast Furnace Slag (GFRBFS) based material, which can be used as an alternative to conventional fill material and reduce the dumping of blast furnace slag. In order to evaluate its application in civil engineering. The behavior of newly developed material under compressive loading was determined. The GFRBFS based material was prepared by blending blast furnace slag, ordinary Portland cement and glass fibre together at optimum water content 10 by weight of slag. Specimens were prepared for five different mix ratios (glass fibre percentage by weight of slag) 0.3, 0.6, 0.9 and 1.2 with three different glass fibre aspect ratios (AR) 461, 922 and 1844 for each mix ratio. The specimens were tested under compressive load after curing 7, 14 and 28 days. The effect of mix ratios, aspect ratio and curing periods on density, initial tangent modulus, stress strain relationship and compressive strength results were studied and incorporated in the paper. The results showed non-linear relationship between mix ratio and compressive strength. The maximum strength found for the specimen mix ratio 0.6 with AR 922 glass fibre.

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