Abstract
The effect of thermally activated clays on the processes of hydration, structure formation and strength properties of cement stone is analyzed. It has been shown that polymineral clay fired at 500 and 600 °C makes it possible to replace up to 5–10 % of Portland cement without loss of strength of the composite cement stone. All samples showed strength at 28 days of age in the range of 102–105 MPa, which is 25 % higher than the strength of the control composition. The presence of thermally activated clays in the cement stone promotes the formation of low-basic calcium hydrosilicates and the formation of a dense structure.
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Schedule a callMore From: Transactions of the Kоla Science Centre of RAS. Series: Engineering Sciences
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