Stefan Kubens
Broschiertes Buch

Interaction of cement and admixtures and its influence on rheological properties

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Dispersing admixtures play an important role in today¿s concrete technology. Around eight billion cubic metres of concrete are made each year and most of it contains dispersing admixtures. These chemical compounds, added at low dosages during concrete mixing, make fresh concrete more liquid and improve its workability. A precise way to determine the workability of concrete is to measure its rheological values yield stress and plastic viscosity. From ready mixed concrete plants and concrete element plants it is known that rheological values of mortar and concrete can sometimes vary when a new ...