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The paper deals with studies on the effect of unprocessed phospho-(PG) and fluorogypsum (FG) added independently and in combination with natural gypsum (NG) on various properties of portland and portland slag cement (PSC). The results showed that the adverse effect of P2O5 and F impurities in PG and those of FG could be offset by blending NG. An increase in compressive strength and decrease in setting time of the cements was observed on using the blended gypsum. A mix of 40:60, PG/FG by weight gave maximum compressive strength. The properties of portland cement and PSC with blended gypsum conformed to the requirements of cement produced with NG. As compared to PG and FG, the power consumption for grinding cements was reduced on using the blended gypsum.
The paper deals with studies on the effect of unprocessed phospho-(PG) and fluorogypsum (FG) added independently and in combination with natural gypsum (NG) on various properties of portland and portland slag cement (PSC). The results showed that the adverse effect of P2O5 and F impurities in PG and those of FG could be offset by blending NG. An increase in compressive strength and decrease in setting time of the cements was observed on using the blended gypsum. A mix of 40:60, PG/FG by weight gave maximum compressive strength. The properties of portland cement and PSC with blended gypsum conformed to the requirements of cement produced with NG. As compared to PG and FG, the power consumption for grinding cements was reduced on using the blended gypsum.
Influence of blended gypsum on the properties of Portland cement and Portland slag cement
Singh, M. (author)
Cement and Concrete Research ; 30 ; 1185-1188
2000
4 Seiten, 9 Quellen
Article (Journal)
English
Influence of blended gypsum on the properties of Portland cement and Portland slag cement
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