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Research projects on the subject Chemistry and mineralogy


Completed

Investigations on the internal particle size distribution of main constituents of Portland composite and composite cements

A laboratory method and a method on the internal particle size distribution that can be used on-site in a cement plant were developed in this research project.

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Completed

Assessment of Portland cement clinker by means of microscopic and mineralogical analysis methods for the evaluation of the clinker burning process

The aim of the project was to investigate the suitability of the Ono method for evaluation of burning conditions even on clinker burnt with alternative fuels. Furthermore the focus of the project was the development of a methodology for correlations between microscopically and mineralogically analysed clinker properties and burning conditions.

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Completed

Influences of temperature on interactions between superplasticizers and cements with several main constituents

The aim of this research project was to determine interactions between superplasticizers and cements in the temperature range of 5 °C (41 °F) to 30 °C (86 °F). The main focus was on superplasticizers based on polycarboxylate ether and cements with several main constituents.

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Completed

Use of quantitative X-ray diffraction analysis in cement quality control

The research project initially involved a sequence of steps to formulate robust, automated preparation methods and evaluation files and determine their reproducibility.

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Completed

Optimisation of cements with natural calcined clays as main constituent and durability of concretes made of these cements

The new research project focussed on the optimisation of pozzolanic cements concerning the processing and composition of their constituents as well as the durability of concretes made of these cements.

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Completed

Sulfate resistance testing of cement

The SVA test method should be modified in a way that it is possible to achieve clear test results for standard cements with known high or low sulfate resistance.

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Completed

Interactions between cements with several main constituents and methyl cellulose and their performance in dry mortar

Interactions between different structured or modified methyl hydroxyethyl celluloses and cements blended with limestone, blastfurnace slag or fly ash were determined.

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Completed

Development of an analysis concept for the quantification of cement, its main constituents as well as additives in hardened concrete

As part of the project, methods were developed that allow the cement content, cement type and additive content in hardened concrete to be reliably determined.

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  • Cement production
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  • Concrete technology
  • Chemistry and mineralogy
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  • Environmental protection

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  • English

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