Rheological Properties of Self-Compacting Concrete with 3-Dimensional Fibres

Ramli, Jeffri, Nagaratnam, Brabha, Poologanathan, Keerthan, Cheung, Wai Ming, Suntharalingam, Thadshajini and Richardson, Alan (2020) Rheological Properties of Self-Compacting Concrete with 3-Dimensional Fibres. In: Proceedings of the 5th World Congress on Civil, Structural, and Environmental Engineering. World Congress on Civil, Structural, and Environmental Engineering . Avestia, Orléans, pp. 123-1. ISBN 9781927877746

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Abstract

This study investigates the effect of 3-dimensional (3D) fibres on the rheological properties of self-compacting concrete (SCC) using three different fibre volume fractions (1%, 2% and 3%). Two different sizes of 3D fibres with perimeters of 115 mm and 220 mm were considered. Rheological properties were determined through slump flow, J-ring, V-funnel and sieve segregation tests. The test results reveal that the addition of 3D fibres decreases the workability of the SCC. 3D fibres with a perimeter of 220 mm have a more adverse effect on the rheological properties of SCC than 3D fibres with a perimeter 115 mm. The balling effect occurred when 2% and 3% fibre volume fractions of 3D fibres with a perimeter of 220 mm were added to the mixture, compromising the workability of SCC.

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