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Materials · Question 1

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A. Soil classification, properties, concrete & piping

A nuclear-gauge field density test on a compacted lift of lean clay (CL) embankment fill gives a dry unit weight $\gamma_d=109.5$ pcf at a water content $w=16\%$ . Laboratory tests give a specific gravity of solids $G_s=2.70$ . The degree of saturation $S$ of the compacted soil is most nearly:

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