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4 cards from this section. Quick, good the night before a test.
What is a Polycarboxylate Ether (PCE)?
Think about how PCE affects the water content in concrete.
What benefit do Viscosity Modifying Admixtures (VMAs) provide?
Consider the flow characteristics of concrete.
What is the primary purpose of Polycarboxylate Ether (PCE) based superplasticizers?
Think of how PCE affects water usage in concrete.
True or False: Self-healing admixtures are used to automatically seal cracks in concrete.
Consider the function of these admixtures.
Analyze a scenario where increasing the dosage of a viscosity modifying admixture leads to excessive viscosity in a concrete mix. Discuss the implications for the project.
Evaluate how the balance of components impacts workability.
Propose a solution for a construction project focused on sustainability. Discuss how you would incorporate nano-modified and low-carbon admixtures.
Consider the benefits each type of admixture brings to sustainability.
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