A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content of 18.0%. The soil has an estimated Gs value of 2.68. A contract requires compaction to 95% of maximum dry density at water content of optimum or greater. A field test measures a moist density of 2023 kg/m3 and a water content of 27%.

A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content of 18.0%. The soil has an estimated Gs value of 2.68. A contract requires compaction to 95% of maximum dry density at water content of optimum or greater. A field test measures a moist density of 2023 kg/m3 and a water content of 27%.
a) Use the values given for measured moist density and water content, calculate the field dry density
b) Does the compacted fill meet the contract requirement?
c) Compute degree of saturation in the field.
d) What do the results tell you about the reliability of the field data?

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A compaction test measures a maximum dry density of 1666 kg/m3 and an optimum water content of 18.0%. The soil has an estimated Gs value of 2.68. A contract requires compaction to 95% of maximum dry density at water content of optimum or greater. A field test measures a moist density of 2023 kg/m3 and a water content of 27%.
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