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2 cards from this section. Quick, good the night before a test.
Define bulk specific gravity (G m).
Think about what specific gravity measures.
If W m is 1500g and W w is 1400g, what is G m?
Use the G m formula.
What is the formula for calculating bulk specific gravity?
Remember to account for the difference in weights.
True or False: Bulk specific gravity increases as the volume of air voids decreases.
Consider how density is influenced by voids.
Given a mix with W m = 2000g and W w = 1900g, calculate G m and discuss the implications if the calculated G m is significantly high.
Analyze the relationship between density and voids.
Design a scenario with varying G m values (low, medium, high) and predict their impact on pavement life. Justify each case.
Use examples from real-world applications to illustrate your points.
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