Abstract
This paper presents a study on the durability of the ternary cementitious system (TCS) containing ordinary Portland cement, calcium aluminate cement and calcium sulfate with different content of ground granulated blast furnace slag (GGBS) when subjected to 5% NaCl, 5% Na2SO4, and 5% NaCl–5% Na2SO4 attacks. The results showed that the partial replacement of TCS by GGBS increased bound chloride, enhanced compressive strength, and decreased apparent porosity. Besides, the presence of chloride mitigated sulfate attack. The presence of sulfate decreased the contents of free and total chloride, and limited the formation of Friedel’s salt.
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