The Influence of Ferronickel Slag as a Replacement of Quartz Sand upon Compressive and Flexural Strength of Reactive Powder Concrete

Abstract:

This paper aims to evaluate mechanical behavior (compressive and flexural strength) of reactive powder concrete (RPC) with ferronickel slag (FNS) as quartz sand replacement. Standard laboratory tests were performed i.e. sieve analysis to determine the particle size distribution of the FNS, slump and density tests as well as compressive and flexural tests on the RPC. Promising results were obtained in this study. An increased consistency and density were observed upon increasing the FNS content. The utilization of FNS could lead to a compressive strength value of 86 MPa at 28 days. A higher strength enhancement in the early curing days (7 days) was observed than in the longer curing days (28 days), when FNS mixes were compared to reference mixes. The flexural strength result demonstrated two different phenomena at two different ages, where there was a slight rise at 7 days and relatively no increment at 28 days when FNS mixes were compared to the reference mixture.

• Periodical: Key Engineering Materials (Volume 931)
• Pages: 205-211
• DOI: https://doi.org/10.4028/p-j30lrv
• Online since: September 2022
• Authors: Masykur Kimsan, Romy Suryaningrat Edwin*, Minhar Hasim, Irmawatty Paula Tamburaka, Bambang Pramono, Asminar Azis, Nele de Belie, Elke Gruyaert
• Keywords: Compressive Strength, Ferronickel Slag, Flexural Strength, RPC, Workability

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