If needed assume the unit weight of water to be 62.4 lb/ft3 a) A HMAC sample has the following volumetric properties (i) VMA = 0.1865 ft3 and (ii)Volume of air = 0.0452 ft3 Compute %VFA. b) A HMAC sample has 140 lbs of aggregate with a bulk specific gravity of 2.65 and an effective specific gravity of 2.71. Based on this information the volume of the absorbed asphalt is ________________ft3 A compacted sample of hot mix asphalt concrete sample has a unit weight of 135 lb/ft3 . c) The sample has an asphalt content of 5% (by weight). Assume no absorbed asphalt. The bulk specific gravity of the aggregate is 2.65, and specific gravity for the asphalt cement is 1.05. Based on this information compute VMA for this mixture.
If needed assume the unit weight of water to be 62.4 lb/ft3
a) A HMAC sample has the following volumetric properties (i) VMA = 0.1865 ft3
and (ii)Volume of air = 0.0452 ft3 Compute %VFA.
b) A HMAC sample has 140 lbs of aggregate with a bulk specific gravity of 2.65 and an
effective specific gravity of 2.71. Based on this information the volume of the absorbed
asphalt is ________________ft3
A compacted sample of hot mix asphalt concrete sample has a unit weight of 135 lb/ft3
.
c) The sample has an asphalt content of 5% (by weight). Assume no absorbed asphalt.
The bulk specific gravity of the aggregate is 2.65, and specific gravity for the asphalt
cement is 1.05. Based on this information compute VMA for this mixture.
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