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Investigations on high SO3 Portland clinkers and cements II. Properties of cements

Zhang, H. / Odler, I.

Cements made by grinding clinkers that contain the phases (3CaO)(SiO2) and (4CaO)(Al2O3)(SO3), and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2), with amounts of calcium sulfate higher than usual in portland cements, exhibit properties that are similar but not identical with those of ordinary portland cement. Their setting time is generally shorter, whereas the strength development may vary and may be controlled by variations of clinker composition. All produced high SO3 portland cements exhibited a distinct but variable expansion whose extent may be controlled by the composition of clinker and the amount of added gypsum. High SO3 portland cements may be considered possible alternatives to conventional portland cements in many applications, which may be produced with a distinctly reduced consumption of both thermal energy and electric power for cement grinding.

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Investigations on high SO3 Portland clinkers and cements II. Properties of cements

Zhang, H. / Odler, I.

Cements made by grinding clinkers that contain the phases (3CaO)(SiO2) and (4CaO)(Al2O3)(SO3), and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2), with amounts of calcium sulfate higher than usual in portland cements, exhibit properties that are similar but not identical with those of ordinary portland cement. Their setting time is generally shorter, whereas the strength development may vary and may be controlled by variations of clinker composition. All produced high SO3 portland cements exhibited a distinct but variable expansion whose extent may be controlled by the composition of clinker and the amount of added gypsum. High SO3 portland cements may be considered possible alternatives to conventional portland cements in many applications, which may be produced with a distinctly reduced consumption of both thermal energy and electric power for cement grinding.

Investigations on high SO3 Portland clinkers and cements II. Properties of cements

Zhang, H. / Odler, I.

Cements made by grinding clinkers that contain the phases (3CaO)(SiO2) and (4CaO)(Al2O3)(SO3), and optionally also (4CaO)(Al2O3)(Fe2O3) and (2CaO)(SiO2), with amounts of calcium sulfate higher than usual in portland cements, exhibit properties that are similar but not identical with those of ordinary portland cement. Their setting time is generally shorter, whereas the strength development may vary and may be controlled by variations of clinker composition. All produced high SO3 portland cements exhibited a distinct but variable expansion whose extent may be controlled by the composition of clinker and the amount of added gypsum. High SO3 portland cements may be considered possible alternatives to conventional portland cements in many applications, which may be produced with a distinctly reduced consumption of both thermal energy and electric power for cement grinding.

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Title:

Investigations on high SO3 Portland clinkers and cements II. Properties of cements

Additional title:

Untersuchungen an SO3-reichen Portlandzementklinkern und Zementen. Teil 2: Zementeigenschaften

Contributors:

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

Published in:

Cement and Concrete Research ; 26 ; 1315-1324

Publication date:

1996

Size:

10 Seiten, 10 Bilder, 1 Tabelle, 6 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(96)00129-9

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Portlandzement , Portlandzementklinker , Schwefeldioxid , Sulfat , Zement , Tricalciumsilicat , Dicalciumsilicat , Tetracalciumaluminatferrit , Wasserabbinden von Zement , mechanische Festigkeit , Dehnung , Hydratisieren , freier Kalk , Gips , Schwefeltrioxid

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