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Investigations on high SO3 Portland clinkers and cements I. Clinkers synthesis and cement preparation

Odler, I. / Zhang, H.

SO3-rich Portland clinkers containing side by side the phases (3CaO)(SiO2), and (4CaO)(3Al2O3)(SO3) and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2) may be produced by burning pertinent raw meals with added small amounts of CaF2 to temperatures 1250 deg C to 1300 deg C. Such clinkers exhibit a significantly improved grindability as compared to ordinary portland cement clinker. The strength development of cements made from these clinkers depends greatly on the amount of added gypsum and at optimum gypsum additions is similar to that of ordinary portland cement.

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Investigations on high SO3 Portland clinkers and cements I. Clinkers synthesis and cement preparation

Odler, I. / Zhang, H.

SO3-rich Portland clinkers containing side by side the phases (3CaO)(SiO2), and (4CaO)(3Al2O3)(SO3) and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2) may be produced by burning pertinent raw meals with added small amounts of CaF2 to temperatures 1250 deg C to 1300 deg C. Such clinkers exhibit a significantly improved grindability as compared to ordinary portland cement clinker. The strength development of cements made from these clinkers depends greatly on the amount of added gypsum and at optimum gypsum additions is similar to that of ordinary portland cement.

Investigations on high SO3 Portland clinkers and cements I. Clinkers synthesis and cement preparation

Odler, I. / Zhang, H.

SO3-rich Portland clinkers containing side by side the phases (3CaO)(SiO2), and (4CaO)(3Al2O3)(SO3) and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2) may be produced by burning pertinent raw meals with added small amounts of CaF2 to temperatures 1250 deg C to 1300 deg C. Such clinkers exhibit a significantly improved grindability as compared to ordinary portland cement clinker. The strength development of cements made from these clinkers depends greatly on the amount of added gypsum and at optimum gypsum additions is similar to that of ordinary portland cement.

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Title:

Investigations on high SO3 Portland clinkers and cements I. Clinkers synthesis and cement preparation

Additional title:

Untersuchungen an SO3-reichen Portlandzementklinkern und Zementen. Teil 1: Klinkersynthese und Zementherstellung

Contributors:

Odler, I. (author) / Zhang, H. (author)

Published in:

Cement and Concrete Research ; 26 ; 1307-1313

Publication date:

1996

Size:

7 Seiten, 3 Bilder, 2 Tabellen, 12 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(96)00128-7

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Portlandzement , Portlandzementklinker , Schwefeldioxid , Sulfat , Zement , Tricalciumsilicat , Dicalciumsilicat , Calciumfluorid , freier Kalk , Vermahlung , Brenntemperatur , Temperatureinfluss , mechanische Festigkeit , Druckfestigkeit , Tetracalciumaluminatferrit , Mahlbarkeit , Schwefeltrioxid

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