Rheologische Messungen an Baustoffen 2020: Tagungsband zum 29. Workshop und Kolloquium, 11. und 12. März an der OTH Regensburg

The art of rheological measurements for construction materials was until 50 years ago a totally unknown territory. Even today it is often hard to understand,unless you are an expert in the field. There are many people who buy the costly equipment for rheological measurements. However, they often find after sometime that the test set up, numerous influencing factors and the proper interpretation of the results is not that easy to work out. As a consequence this expensiveequipment ends up lying in the corners of the labs gathering dust. This conference and workshop on the Rheology of Building Materials in Regensburgcannot solve all these problems. It, however, supplies a platform for excellent presentations of recent research work as well as demonstrations of useful equipment and exchange of ideas.The proper workability of materials bound by mineral binders is essential for an economic production and for a perfect performance in hardened state. The papersin these proceedings show examples of enhanced testing and applications.These proceedings address important rheological topics:· Inline control of ready mix concrete· Tests on concrete and mortar for different purposes (e.g. rheology of calcium-sulfoaluminate mortars, of alkali activated binders, of mortars for 3D-printing)· The influence of fibres on injecting mortars· Oscillatory measurements.The papers on mineral materials are enhanced with a special contribution on the behaviour of granular frazil ice. Hopefully, the reader will enjoy these papersand get a lot of inspiration as well as some new ideas for her/his own work.