Refer to Problem 3.8. Determine the mass of water (in kg) to be added per cubic meter (m3) of soil fora. 90% degree of saturationb. 100% degree of saturation 3.8 The dry unit weight of a soil sample is 14.8 kN/m3. Given that Gs = 2.72 and w = 17%,determine:a. Void ratiob. Moist unit weightc. Degree of saturationd. Unit weight when the sample is fully saturated

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The field unit weight of the soil is 1960 kg/m³ and the unit weight of the soil particle is 2700 kg/m3 . If the emax=0.69 and emin=0.44, a)Compute the void ration of the soil sample. bCompute the dry unit weight in KN/ m3 if water content is 11%. cCompute the relative density of the soil sample. A soil having a sp. Gr. of 2.74 has a moist unit weight of 20.6 KN/m3 and a moisture content of 16.6%. a Compute the void ratio. bCompute the degree of saturation. cCompute the effective unit weight. dCompute the weight of water in KN to be added per cu. m. of soil for 100% degree of saturation.

a. The moisture content of the soil specimen is 20%, and the total weight is 300 gr. Calculate the void ratio and degree of saturation if the total volume was 180 cm3. (Gs = 2.5) b. A soil layer with a moisture content of 10 percent and a unit weight of 16.5 KN per cubic meter has a decrease in volume by 10 percent after compaction. Find the dry specific weight of the soil.