The segregation resistance of high-strength concrete using electric arc furnace oxidizing slag fine aggregate was evaluated, and the distribution in mechanical properties of specimen imitated concrete column were investigated. The mix proportions with appropriate segregation resistance were selected by segregation resistance test. Furthermore, core specimens were taken from the specimen imitated column and tested, confirming that the distribution of mechanical properties was at the same level or less than that of conventional high-strength concrete. Based on these results, it was determined that concrete with good segregation resistance was developed.
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Kato et al. (2026) studied this question.
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