Asample of coarse aggregate has an oven dry weight of 1034.0 g and a moisture content of 4.0 %. the saturated surface dry weight is 1048.9g and the weight of the aggregate in water is 675.6 g. determine using phase volume relationships: a) apparent specific gravity (ga) b) bulk specific gravity (gb) c) bulk specific gravity ssd (gb (ssd)) d) absorption, % e) bulk volume

Apparent Specific Gravity = 2.88

bulk specific gravity = 2.76

Bulk Specific Gravity SSD  = 2.80

absorption = 1.44%

bulk volume  = 373.3

Explanation:

given data

oven dry weight A  = 1034.0 g

moisture content = 4.0 %

saturated surface dry weight B = 1048.9 g

weight of the aggregate in water C = 675.6 g

solution

we get here Apparent Specific Gravity that is express as

Apparent Specific Gravity =   ..........1

put here value

Apparent Specific Gravity =

Apparent Specific Gravity = 2.88

and

now we get bulk specific gravity that is

bulk specific gravity =   ...................2

put here value

bulk specific gravity =

bulk specific gravity = 2.76

and

now we get Bulk Specific Gravity SSD

Bulk Specific Gravity SSD =    ............3

Bulk Specific Gravity SSD =

Bulk Specific Gravity SSD  = 2.80

and

now absorption will be here as

absorption = × 100%    ................4

absorption = × 100%

absorption = 1.44%

and

last we get bulk volume that is

bulk volume =

bulk volume =

bulk volume  = 373.3

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