In a quality control test for pavement construction, the engineer cut out a core of the asphalt...

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Civil Engineering

In a qualitycontrol test for pavement construction, the engineer cut out a coreof the asphalt mix. Laboratory tests were conducted on the core todetermine the volumetric properties of the mix. The dry mass of thecore is 1200 g, the saturated surface dry mass is 1202.5 g and thesubmerged mass is 691.9 g. The engineer separated the bitumen fromaggregate and found that the dry mass of the aggregate was 1132.8g.The specific gravity of bitumen is 1.05 and the percentage ofbitumen absorption is 0.5%. The aggregate bulk specific gravity is2.76, determine the following:

a) bulkspecific gravity of the compacted mix

b) Effectivespecific Gravity aggregates

c) maxtheoretical specific gravity of asphalt mix

d) percentageby mass of effective binder content

e) percentageof air voids in the total mix

f) pencetageof voids in the mineral aggregates

Answer & Explanation Solved by verified expert

3.9 Ratings (537 Votes)

Mass of dry core A 1200 g Saturated surface dry mass B 12025 g Submerged mass C 6919 g Dry mass of the aggregate D 11328 g Specific gravity of bitumen GB 105 See Answer

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