10. The moist unit weights and degrees of saturation of a soil are given inthe following table:Soil No.12y (pcf)105.73112.67Determine:a) Void Ratiob) Specific Gravity of the soil solids.c) Porosity of the soil.S (%)5075

Answer We know that moist unit weight of a soil is given by γ = γw(G+eS)1+e γw = unit weight of…

10. The moist unit weights and degrees of saturation of a soil are given in the following table: Soil No. 1 2 y (pdf) 105.73 112.67 Determine: a) Void Ratio b) Specific Gravity of the soil solids. c) Porosity of the soil. S (%) 50 75

10. The moist unit weights and degrees of saturation of a soil are given in the following table: Soil No. 1 2 y (pdf) 105.73 112.67 Determine: a) Void Ratio b) Specific Gravity of the soil solids. c) Porosity of the soil. S (%) 50 75

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter3: Weight-volume Relationships And Plasticity

Section: Chapter Questions

Problem 3.11P

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Concept explainers

Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.

Question

10. The moist unit weights and degrees of saturation of a soil are given in
the following table:
Soil No.
1
2
y (pcf)
105.73
112.67
Determine:
a) Void Ratio
b) Specific Gravity of the soil solids.
c) Porosity of the soil.
S (%)
50
75

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For an inorganic soil, the following grain-size analysis is given:Sieve No. % Passing4 10010 9020 6440 3880 18200 13For this soil, LL = 23% and PL = 19%. Classify the soil according to:a. The AASHTO soil classificationb. The Unified soil classification system
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Geology for Engineers
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Given: An undisturbed chunk of soil has a wet weight of 73lbs and a volume of 0.65ft³. When dried out in an oven, the soil weighs 57lbs. The specific gravity of solids is found to be 2.9. Required: Determine: a. the water content (w), to the nearest tenth. b. wet unit weight of soil ('Y), to the nearest tenth. c. dry unit weight of soil ('Yd), to the nearest tenth. d. void ratio (e), to the nearest thousandth. e. porosity (n), to the nearest tenth. f. degree of saturation (S), to the nearest tenth.
3. Determine the Atterberg Limit soil classification for: soil 1 and soil 3 1 3 Specific Gravity Atterberg Limit Liquid Limit (96) Plastic Limit (96) Grain Size Sand (9) Silt (9) Clay (96) 2.65 59.73 44.78 63 20 2 2.69 65.45 48.48 44 43 2.71 71.55 47.21 27 11.5 61.5 4 2.68 63.96 45.52 4 13 83 Plasticity index 70 60 50 90 Inorganic clays of high plasticity, Inorganic clays of 30-medium plasticity. Inorganic 20-clays of low plasticity 10 Cohesionless soil 20 Inorganic silts of low compressibility 40 60 Liquid limit U-Line Pl=0.9(LL-8) A-Line Pl=0.73(2-20) Inorganic silts of high compressibility and organic clays Inorganic silts of medium compressibility and organic silts 80 100
4. Classify the following soil by the Unified Soil Classification System: Percent passing No.4 sieve = 82 Percent passing No.10 sieve = 71 Percent passing No.40 sieve = 64 Percent passing No. 200 sieve = 41 Plasticity index = 12 Liquid limit = 31
Classify the soil according to Unified soil classification which has LL of 26 and PL of 19 Sieve No. 4 10 20 40 60 80 100 200 Pan Mass retained (g) 0 44 56 82 51 106 92 85 35