An asphalt binder is mixed with aggregate and compacted into a sample. The mass of the dry sample is 1173.5 g, the mass of the sample submerged and then surface-dried with a damp towel is 1175.5 g, and the mass of the sample completely submerged in water is 652.5 g. Find the bulk specific gravity of the compacted sample.

Explanation:

From the given information:

Let the weight of the mix in the air be =

Let the weight of the mix in water be = ; &

the bulk specific gravity be =

SO;

Also;

From (2), make the subject:

Now, equation (1) can be rewritten as:

Replacing the values;

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