Sulfate resistance of plain and blended cements exposed to wetting--drying and heating--cooling environments.

Construction and Building Materials | August 1, 2007| | Copyright

Abstract

Exposure conditions significantly affect the resistance of cements to sulfate attack. This article investigates the sulfate resistance of ordinary portland cement (OPC), sulfate resistant portland cement (SRPC), and blended cements with different proportions of natural pozzolan and Class F fly ash when subjected to different exposure regimes. Plain and blended cement mortar specimens were stored under three different conditions: (i) continuous curing in lime-saturated water, (ii) continuous exposure to 5% [Na.sub.2]S[O.sub.4] solution at room temperature, ...

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