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Results: Cement chemical optimisation of cements containing fly ash

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01.10.2020

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Interactions of accelerating admixtures and clinker-efficient cements with several main constituents to improve the early compressive strength of concrete

The acceptance of resource-efficient cements with significantly reduced specific CO₂ emissions is still too low in construction practice. The main reason for this is that early strength is not high enough for economical production processes and also competitive construction with concrete. Accelerating admixtures can improve the early strength of concrete. The research project investigates interactions between concrete admixtures that accelerate the strength development and cements with several main constituents.

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Influences of two-stage mixing on the hydration behaviour of Portland-composite cements and composite cements as well as on the concrete performance

The acceptance of resource-efficient cements with significantly reduced specific CO₂ emissions is still too low in construction practice. The main reason is that the early strength is not high enough for economical production processes and competitive construction with concrete. The research project is investigating the extent to which more intensive mixing and further cement constituents besides clinker increase the mixing energy input and can increase the early cement hydration and thus the strength development.

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09.01.2020

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100 years of International Cement Chemistry: Discussion of the fundamental principles and performance of binders for sustainable concretes

Cement International 18 (2020) 2, S.10

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09.01.2020

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Die Untersuchung der Hochofenschlacke und des Zementes

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09.01.2020

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Background radiation from concrete: Exposure to radiation from cement-bonded construction materials is not dangerous

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01.01.2020

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Performance of ternary cements with Portland cement clinker, granulated blast furnace slag and calcined clay as the main constituents

The aim of the research project is the detailed investigation of the performance, durability and hydration behaviour of ternary cements with blastfurnace slag and calcined clay as main constituents (KSQ cements).

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01.11.2019

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Effects of pre-hydration on the performance of cements and the influence of different clinker properties

The research project has two objectives. The first is to investigate whether certain chemical / mineralogical properties can make clinker more robust against pre-hydration effects. Secondly, it will be investigated which measures can be taken to counteract possible negative effects, in particular by adjusting the sulphate carrier composition.

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Influences of the oxyfuel cooling medium on mineralogy and microstructure of Portland cement clinker

17th EMABM, University of Toronto, Toronto, Canada, May 20-23, 2019 Hrsg. Proceedings of the 17th Euroseminar on Microscopy Applied to Building Materials, Toronto (Canada), 20. to 23. May 2019

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