Abstract
Application of slag instead of aggregates is of importance in different civil construction works and especially in roller-compacted concrete pavement (RCCP) considering its abrasion resistance, shear strength as well as the cost. The aim of this study was to examine the effect of ground-granulated blast furnace slag (GGBFS) and basic oxygen furnace slag (BOFS) on the mechanical properties of RCCP, using the tests of compressive strength and indirect tensile strength. Mix proportioning was made to introduce BOFS as coarse aggregate and GGBFS as fine aggregate. The results of the study showed that none of the BOFS mix designs could achieve a higher strength than the control sample. Also, the GGBFS mix design proved to have the least compressive strength and tensile strength. It should be mentioned that all samples acquired the minimum strength required for RCCP.
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