A sand is comprised of solid constituents that have a density (ps) of 2.68 Mg/m³. The void ratio, e, of the specimen is 0.58. Compute the following: (a) pa; (b) density when saturated, psat, and (c) relative density, Dr, using additional information that this soil has a maximum void ratio, emax, of 0.85 and a minimum void ratio, emin, of 0.43. (include your phase diagram(s)) (a) kg/m³ (b) kg/m³ (c)

A sample of uniform sand has a porosity of 43%.From the lab test, the value of the void ratio in theloosest condition is 0.85 and a void ratio of 0.35 inthe densest condition. If the water content is 12%and Gs = 2.7. Determine the following:a) Density indexb) Degree of saturationc) Determine the moist unit weight

Diaz (1992) reported the following values for Mexico City clay: void ratio (e) =12.2, natural water content (w) = 460%, and specific gravity of solids (Gs) = 2.65. Pleasedo the following:• From the given values, and assuming Vs = 1 m³, compute all of the remainingquantities entering a phase diagram, i.e., Va, Vw, Ww, and Ws.• Next, compute the degree of saturation (S).• Finally, compute the moist unit weight (γ), dry unit weight (γd), and the unitweight of the solid phase (γs)

A sample of sand has a relative density of 40% witha solid specific gravity of 2.65. The minimum voidratio is 0.45 and the max. void ratio is 0.97.a) Determine the void ratio of the sand at arelative density of 40%.b) What is the density of this sand in asaturated condition?c) If the sand is compacted to a relativedensity of 65%, what will be the decrease inthickness of a 4 ft. thick layer.

A natural soil deposit is to be used for a geotechnical engineering project. Laboratory test results indicate that the soil possesses liquid and plastic limits of LL = 30% and PL = 22%, respectively. In addition, the sieve analysis has produced the following information: • % Passing Sieve No. 4 (4.75 mm) % Passing Sieve No. 200 (75 μm) • Coefficient of Uniformity C₁ 100% 8% 1.590 0.012 Coefficient of Curvature Co (a) Determine the soil's classification in accordance with the Unified Soil Classification System (USCS). (b) To further improve the soil's shear strength performance, the natural soil deposit (possessing an in- situ water content of w = 14%) was compacted in-situ and has achieved a saturation degree of S = 85%. If the specific gravity of soil solids is G, = 2.6, determine the soil's dry and bulk unit weights (ya and y) in its current compacted state.

A sample of sand has a relative density of 40% with a specific gravity of solids of 2.65. The minimum void ratio is 0.50 and the maximum void ratio is 0.95. What is the unit weight (in units of pcf) of this sand in the saturated condition?

PROBLEM No. 6 A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests indicated that the minimum and maximum void ratios of the sand are 0.46 and 0.90, respectively. The specific gravity of solids of the sand is 2.65. a. What is the void ratio of the sand in natural state? b. What is the dry unit weight of the sand in Ib/ft? If the sand is compacted to a relative density of 75%, what is the decrease in thickness of the 6-ft fill? С. d. What is the final height in ft after compaction?

A sample of gray silty clay has a mass of 126 kg. Laboratory tests results give a moist density(ρ) of 2.05 g/cm3, a specific gravity of solids (Gs) of 2.67, and a moisture content (w) of 14.7%.First determine all entries in the phase diagram. Then determine the void ratio (e), the porosity(n), the degree of saturation (S), the dry density (ρd), the dry unit weight (γd), and the moistunit weight (γ).

A clay is found to have a liquid limit of 75%, a plastic limit of 45% and the shrinkage limit of 25%. If the sample of this soil has a volume of 30cm3 at the liquid limit and a volume at the shrinkage 16.7cm3 at the shrinkage limit. Determine the following: a) Mass of soil at shrinkage limit. [ Select ] b) Shrinkage Ratio. [ Select ] c) Specific gravity of soil solids. [ Select ] > >

A loose compacted sand fill is 1.81 m in depth and has a relative density of 41%. Laboratory tests indicated that the sand's minimum and maximum void ratios are 0.47 and 0.91 respectively. The specific gravity of the solids of the sand is 2.65.  Find; (a) Dry unit weight of the sand. (b) Void ratio of the sand having a relative density of 40%. (c) If the sand is compacted to a relative density of 75% what is the decrease in the thickness of the 1.8m fill?