MICROSTRUCTURAL STUDY OF SULFATE ATTACK ON ORDINARY AND LIMESTONE PORTLAND CEMENTS AT AMBIENT TEMPERATURE

By E. Irassar, V. Bonavetti, M. Gonzalez. 2003

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Sulfate ingress in Portland cement (2010, background): “3 and [1–3,36]).”
Effect of limestone filler on the deterioration of mortars and pastes exposed to sulfate solutions at ambient temperature (2008, background): “Moreover, as stated earlier, many researchers [1,8,18,20,21] have reported that the sulfate deterioration in cement system incorporating significant levels of limestone filler at ambient temperature as well as low temperature is associated with the formation of thaumasite.”
Physical and microstructural aspects of sulfate attack on ordinary and limestone blended Portland cements (2009, background): “In thepresenceof high sulfate concentrations, gypsum is often formed besides ettringite, whereas under field conditions gypsum is rarely observed under field conditions where moderate or low sulfate concentrations are present [10,14–16].”
Durability of concrete exposed to leaching and external sulphate attacks (2009, unknown): “Visual observation can bring useful information on the degree of degradation, in a comparative approach [14].”