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5 cards from this section. Quick, good the night before a test.
What does stability in bituminous mixes refer to?
Think about what happens to pavement under pressure.
Define flow value in the context of bituminous mixes.
It's how much a mix bends or deforms.
What does stability in bituminous mix design refer to?
Think about what happens to roads with heavy traffic.
True or False: A low flow value is ideal for a flexible bituminous mix.
Consider how flexibility is measured.
Describe how adjusting the flow value would affect the stability of a bituminous mix. What trade-offs might occur?
Consider the implications of having a very fluid mix versus a dense one.
Calculate the necessary amount of bitumen for a specified aggregate gradation with a given VMA and desired VFB percentage. Assume the total aggregate weight is 1000 kg.
Use basic principles of proportion and volume calculations.
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