Abstract The slump flow test is typically used to determine the flowability of self-compacting ultra-high-performance concrete (SCUHPC). The volume of a typical concrete slump flow cone is approximately 5.5 L, meaning it consumes a significant amount of material. To reduce the quantity of the material used in slump flow tests and improve measurement efficiency, this study proposes using a small slump flow cone with a volume of 0.29 L to determine the flowability of SCUHPC and self-compacting mortar (SCM). In this research, the flowability of 20 mixtures was compared using a concrete slump flow cone and the proposed small slump flow cone. The slump flow diameter ratios of the two cones were also theoretically compared, and the theoretical and experimental results were strongly correlated. Consequently, the proposed small slump flow cone could be used to effectively evaluate the flowability of SCUHPC and SCM, establishing a correlation between code-recommended slump flow diameters.
Eltantawi et al. (Thu,) studied this question.