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Engineering · Civil Engineering
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A standard Proctor compaction test is carried out on the soil sample (G=2.70) collected from an earthwork and the compaction curve is shown below.

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The compaction specifications require that the earthwork be compacted to a relative compaction of at least 95% with respect to the standard Proctor compaction test, and that the water content be within 2% of the optimum water content.

A field density test was later carried out to check the quality of the compaction. A hole was dug in the compacted earthwork and 100 g soil was removed. The volume of the hole, as measured through a sand cone test, was 500 cm3. A 30 g soil sample that was removed from the hole was then dried in the oven and had a mass of 26 g.

What is the moist density from the field in g/cm3

Question 3 options:

1.73

2.00

3.02

4.51

5.23

Answer
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