Air Voids When Bulk Density Increases
Easyasphaltcompaction
If Gmm stays constant while Gmb increases, the percent air voids will:
- AIncrease
- BStay constant
- CBecome 100%
- DDecrease
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Answer: D. Decrease
Va = 1 − Gmb/Gmm. With Gmm fixed, a denser mix (higher Gmb) has fewer air voids.
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