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3 cards from this section. Quick, good the night before a test.
What is the main purpose of the Impact Value Test?
Think about what happens to roads under heavy vehicles.
What does a lower impact value indicate?
Consider toughness and durability.
What is the acceptable impact value for surfacing materials?
Refer to standard specifications in the test guidelines.
True or False: The Impact Value Test is detailed in IS 2386.
Think about where to find testing standards.
If aggregate A has a maximum impact value of 25% and aggregate B has an impact value of 35%, which should be selected for a heavy traffic highway and why?
Compare the properties of both aggregates.
Explain how the results of the Impact Value Test can influence the overall lifespan of a pavement structure.
Consider the long-term effects on infrastructure and costs.
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