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The aim of the AiF research project was to identify the causes of the sometimes greater scatter rates in the analysis results in the case of comparison trials for the long-term tank test.
It was determined how the rheological properties and the consistency of fresh concrete can be improved by the adjustment of the type and proportion of fly ash or calcined clay in the cement to the clinker as well as the type and dosage of the superplasticizer.
The main scope of this research project was to supply evidence that selected inorganic substances are suitable for the use as minor constituents.
The aim of the research project was to determine interactions between superplasticizers and cements with calcined clay.
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.
Interactions between different structured or modified methyl hydroxyethyl celluloses and cements blended with limestone, blastfurnace slag or fly ash were determined.
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.
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.
