Properties of mixtures of cement with various raw materials

This paper presents possibility of utilization of selected Czech and Slovak industrial and natural raw materials in blended cement production. The cement blends were prepared using 75 wt. % of cement and 25 wt. % of a substituent. The paper is focused only on test results of the laboratory-prepared...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-06, Vol.379 (1), p.12010
Main Authors: Staněk, T, Nečas, R, Boháč, M, Zezulová, A, Rybová, A
Format: Article
Language:English
Subjects:
Admixtures
Cement
Cements
Hydration
Raw materials
Thermal analysis
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Summary:This paper presents possibility of utilization of selected Czech and Slovak industrial and natural raw materials in blended cement production. The cement blends were prepared using 75 wt. % of cement and 25 wt. % of a substituent. The paper is focused only on test results of the laboratory-prepared blended cements. The influence of admixture on hydration process was observed by calorimetric measurement of heat evolution during hydration process within 24 hours. The hydration products of water-cured samples for 28 days were determined by thermal analysis. Further properties, such as short and long-term compressive strengths and setting period, were determined.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/379/1/012010