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5 cards from this section. Quick, good the night before a test.
Define specific gravity in the context of aggregates.
Think about how heavy the aggregate feels compared to water.
What is the importance of the shape of aggregates?
Consider how the piece of aggregate fits together.
What shape of aggregate increases workability?
Think about how shape allows movement.
True or False: A rough texture on aggregates reduces bonding with cement.
Consider how attachment works on surfaces.
A construction company decides to use both lightweight and heavyweight aggregates for a specific project. How do these choices impact the overall concrete structure?
Consider what types of structures would benefit from either choice.
Devise a series of tests to evaluate the quality of aggregates before they are used in concrete production. Include at least four test types and their significance.
Think of tests engineers often perform for material quality checks.
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