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2 cards from this section. Quick, good the night before a test.
What is hardness in the context of aggregates?
Think about what happens to softer materials when they are used in pavements.
Name one method used to test aggregate hardness.
Consider the context of vehicles and friction.
What is the primary function of hardness in pavement materials?
Think about the challenges that vehicles pose to road materials.
True or False: Hard aggregates can prolong the lifespan of pavements.
Consider the relationship between material durability and pavement longevity.
Consider a construction project planning to use soft aggregates due to availability. Analyze the long-term implications of this choice for pavement durability.
Think about the consequences in terms of repair frequency and safety issues.
Suppose you are tasked with selecting materials for a new roadway. How would you justify the need for hard aggregates to stakeholders?
Consider cost-effectiveness and long-term benefits when presenting arguments.
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