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  3. a site investigation was conducted to determine th

A site investigation was conducted to determine the suitability of the material from a borrow pit...

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Civil Engineering


A site investigation was conducted to determine the suitability ofthe material from a borrow pit for a gravel road construction. A174.33 mm (internal diameter) thin-walled sampling tube was pushedinto the bottom of a trial pit and a 218.72 mm long undisturbedspecimen, weighing 4802.9 g, was obtained. When dried in the oven,the specimen weighed 4382.99 g. The specific gravity of the soilgrains was measured and found to be Gs = 2.66, Determine thefollowing:

the total volume of the soil
the volume of the solids
the volume of water
the volume of voids
the volume of air
the total mass of the soil
the mass of the solids
the mass of water
find the void ratio,
water content,
degree of saturation,
bulk density
and dry density.
The order in which you determine these variables is up to you. Youwill be writing down your answers in the following 13 questions(one variable at a time).

Use units of Mg for masses and m for lengths.

You may take the density of water to be 1.0 Mg.m3

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