Question: A sample of silty sand has a volume of 70 cm. At the natural moisture content it weighs 150.7 grams. The sample was then

A sample of silty sand has a volume of 70 cm. At

A sample of silty sand has a volume of 70 cm. At the natural moisture content it weighs 150.7 grams. The sample was then saturated with water and reweighed to a weight of 169.7 grams. The sample was drained by gravity until it reached a constant weight of 146.2 grams. The sample was then oven-dried at 105 C until it reached a constant weight of 139.7 grams. Assume the unit weight of water is 1 gram/cm. Compute the following: a. water content under natural conditions b. volumetric water content under natural conditions c. saturation ratio under natural conditions d. porosity e. specific yield f. specific retention g. water content at saturation

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