Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 3, Problem 3.10P
(a)
To determine
Find the void ratio (e).
(b)
To determine
Find the specific gravity of the soil.
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The moist unit weights and degrees of saturation of soil are given in the table
The moist unit weights and degrees of saturation of a soil are given in the table.
y (kN/m3) S(%)
16.62 50
17.71 75
Determine:
a. e
b. Gs
Show handwritten solutions.
For a soil, suppose that D10 = 0.18 mm, D30 = 0.32 mm, and D60 = 0.78 mm. Calculate the uniformity coefficient and the coefficient of gradation.
Chapter 3 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
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- For a saturated soil, the following are given: watercontent = 23%, Gs = 2.67. Determine the following:a) Saturated unit weightb) Dry unit weightc) Moist unit weight when the degree ofsaturation becomes 70%arrow_forwardSee table below: Determine the maximum dry unit weight of the soil (Ans: 19.8 kN/ ) Determine the optimum moisture content (Ans: 11%) Determine the degree of saturation at the optimum moisture content Gs = 2.60 (Ans: 99.30%)arrow_forwardFor a given soil, the following are given: Gs = 2.6; moist unit weight = 17.05 kN/m3, and moisture content = 10.31%. Determine the weight of water, in kN, to be added per cubic meter of soil to reach 82% degree of saturation.arrow_forward
- Situation 11 - The moist unit weight and degree of saturation of a soil are given in the following table. Degree of Saturation (%) Moist Unit Weight (kN/m^3) 50 16.64 75 17.73 Determine the unit weight of the soil in kN/m3 if s = 13%. Round off to two decimal places.arrow_forwardA freshly drawn soil core of 10 cm diameter and 5 cm length weighs 700 g. On oven drying at 105°C the core weighs 625 g. Calculate the soil water content on weight and volume basis.arrow_forward3) For a given moist soil, given that volume = 33m3; mass = 33kg; moisture content = 10%; Gs = 2.7, calculate the following: a. Moist density (kg/m3) b. Dry density (kg/m3) c. Void ratio d. Porosity e. Degree of saturation (%) f. Volume occupied by waterarrow_forward
- A cubic meter of moist soil weighs 2200 kg. The saturation of the soil is determined to be 33%. Assuming that the density of the solids is 2.70 g/cm3, draw the phase diagram for this soil including all the volume and mass quantities.arrow_forwardFor a soil, given e= 0.75, w= 22%, Gs= 2.66, calculate the moist unit weight of soil in lb/ft3.arrow_forwardThe moist unit weight of a soil is 17.79 kN/cu.m and the porosity is 0.416. If the specific gravity of the soil solids is 2.671, calculate the following a. Water content in percent. b.? c.?? d.?? e.? f.?? g.?? h.?arrow_forward
- the moist unit weight of soil at 18% moisture is 17.5 kN/m^3. Determine the mass of water per cubic meter that must be added to reach full saturation. The specific gravity of soil solids is 2,72. Answer in kg.arrow_forwardThe moist unit weight of soil is 16.5 KN/ m3. If the water content is 15% and specific gravity of soil is 2.7, determine the following: Dry unit weight Porosity Degree of saturation Mass of water in kg/ m3to be added to reach full saturationarrow_forward11. Situation 11 - The moist unit weight and degree of saturation of a soil are given in the following table. a. Determine the unit weight of the soil in kN/m3 if s = 13%. Round off to two decimal places. bDetermine the unit weight of the soil in kN/m3 if s = 69%. Round off to two decimal places. c. Determine the saturated unit weight in kN/m3. Round off to two decimal places.arrow_forward
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