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3 cards from this section. Quick, good the night before a test.
What is yield stress?
Think of what it takes to get the concrete moving.
Define plastic viscosity.
Consider how thick or thin the concrete feels.
What is needed to initiate flow in fresh concrete?
It's like the energy needed to start an engine.
True or False: A high plastic viscosity is desired in fresh concrete.
Think about how viscosity impacts flow.
Given the yield stress and viscosity values of two concrete mixes, analyze which mix would perform better for a high-rise building project.
Consider how each parameter affects handling and curing.
Design a concrete mix that utilizes thixotropic properties effectively for a complex formwork scenario.
Look at how thixotropy influences flow and stability for complex shapes.
4 more questions in this section. Enroll free to practise them all.
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