VA:Naval Facilisties Enineering Whitman, R.V., Soil Mechanics, New York: Wiley,1
ID: 1885591 • Letter: V
Question
VA:Naval Facilisties Enineering Whitman, R.V., Soil Mechanics, New York: Wiley,1k archer, J.V., Physical Properties of Soils, Columbus ciples of Soil Mechanics, Reading, MA: Addison T.W, and Means, R.E., and Parcher, J.V, Physical Scot, Ronald F, Principles of Soil Mec OH: Merrill,1963 BLEMS was taken from a fill. The volume of the hole from which the sample was 0.044 ft3. The sample weighed 4.4 lb after oven drying It was dnemind taken 1. A 5-lb soil sample that the specific gravity of the soil was 2.65. Compute a. The total density or unit weight of the fill. b. The dry density or unit weight of the fill. c. The fill void ratio.Explanation / Answer
weight of the wet soil (w1) = 5 lb
volume of the hole (v) =0.044 ft3
weight of the dry soil (w2) =4.4 lb
specific gavity of soil (G) = 2.65
a. unit weight of the fill = wight(w1) / volume = 5 /0.044 =113.64 pcf
b. dry unit weight = dry weight(w2)/volume = 4.4 /0.044 =100 pcf
c. water content = (w1-w2) /w2 =13.6%
we know Yd = Yw*G/(1+e)
so e = (Yw*G)/Yd - 1 = {(62.4 *2.65) / 100} - 1 = 0.653
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