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CHARACTERIZATION OF HMA AND FOAMED ASPHALT<br />
SUMMARY OF AVERAGE BRD, MRD, AIR VOIDS AND RESILIENT MODULUS<br />
OF ASPHALT CONCRETE SURFACE COURSE, TOP FOAMED ASPHALT<br />
COURSE AND BOTTOM FOAMED ASPHALT COURSE SAMPLES<br />
GEORGIA<br />
SAMPLE<br />
HMA<br />
TOP<br />
FOAMED<br />
ASPHALT<br />
LOWER<br />
FOAMED<br />
ASPHALT<br />
SAMPLE<br />
LOCATION<br />
AVERAGE<br />
BULK<br />
RELATIVE<br />
DENSITY<br />
(BRD)<br />
COMPOSITE<br />
MAXIMUM<br />
RELATIVE<br />
DENSITY<br />
(MRD)<br />
AVERAGE<br />
AIR<br />
VOIDS<br />
(%)<br />
AVERAGE<br />
RESILIENT<br />
MODULUS<br />
@ 20°C<br />
(MPa)<br />
AVERAGE<br />
RESILIENT<br />
MODULUS<br />
AFTER<br />
CONDITIONING<br />
@ 20°C<br />
(MPa) [2]<br />
HOUZE WAY 2.363 2.538 6.9 7957 -<br />
TRAMMEL ROAD 2.303 2.498 7.8 9031 -<br />
JOTTEM DOWN ROAD 2.380 2.492 4.5 7668 -<br />
MCGINNIS FERRY ROAD 2.296 2.535 9.4 4442 -<br />
HOUZE WAY 2.197 2.491 11.8 4804 -<br />
TRAMMEL ROAD 2.065 2.405 14.1 2398 -<br />
JOTTEM DOWN ROAD 1.974 2.450 19.4 2989 -<br />
MCGINNIS FERRY ROAD 2.018 2.396 15.8 3337 -<br />
HOUZE WAY 2.127 2.499 14.9 2540 -<br />
TRAMMEL ROAD 2.044 2.403 14.9 2492 1564<br />
JOTTEM DOWN ROAD 1.907 2.535 24.8 1829 1199<br />
MCGINNIS FERRY ROAD 1.956 2.424 19.4 2566 1786<br />
NOTES: 1. ALL AVERAGE VALUES WERE OBTAINED BASED ON THE TEST OF THREE SAMPLES<br />
EXCLUDING OUTLIERS.<br />
2. LOWER LAYER FOAMED ASPHALT SAMPLES WERE IMMERSED IN WATER FOR 24 HOURS AT<br />
TEMPERATURE RANGED BETWEEN 20 TO 25°C, THEN DRAINED AND DRIED UNDER<br />
LABORATORY AMBIENT AIR FOR 1 HOUR PRIOR TO TESTING.
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