Webinar: The Use of Viscosity-Modifying and Rheology-Modifying Admixtures in Concrete

Since the use of self-consolidating concrete (SCC) became widespread, two new admixture types have been developed and used extensively in SCC. These products, viscosity-modifying and rheology-modifying admixtures, are used extensively in SCC but have also been found useful in many other types of concrete and concrete applications. The use of these products, while not a substitute for bad concreting practices, can provide significant improvement in mixtures with gap-graded aggregates or in certain applications where the formed or machined finish needs improvement.

Learning Objectives

• Explain the differences between viscosity-modifying and rheology-modifying admixtures.
• Describe the impact of viscosity-modifying and rheology-modifying admixtures on the concrete mix.
• List practical applications for viscosity-modifying and rheology-modifying admixtures.
• Explain troubleshooting tips for mixtures with viscosity-modifying and rheology-modifying admixtures.

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