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The research project initially involved a sequence of steps to formulate robust, automated preparation methods and evaluation files and determine their reproducibility.
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.
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.
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.
Aim of the project was to improve the early strength performance of blastfurnace cements by a systematic adjustment of the clinker phase composition and/or addition of mineralisers in the clinker production process.
The aim of the research project was to investigate the suitability or usefulness of dolomitic carbonate rocks as a main cement constituent and to define requirements for dolomitic carbonate rocks as required for the production of high-performance dolomitic cements and concretes of high durability.
The research activities continued the project “Low alkali cements with fly ash” (IGF 17249N) with two main targets. Firstly the effects of different characteristics of cements with fly ash on the release of aluminium into the pore solution were investigated. Secondly it was looked into how much each of the examined mechanisms (reduction of the alkali ion concentration, reduction of portlandite availability, release of aluminium into the pore solution, change of the cement stone microstructure) contributes to the prevention of a deleterious ASR.
A database was compiled which cement manufacturers can use to influence and further optimise the formation of the melt phase by selecting suitable alternative fuels and their proportion.
