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MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 2 terms (12 months)
9th Edition
ISBN: 9781305971264
Author: Braja M. Das; Khaled Sobhan
Publisher: Cengage Learning US
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Chapter 3, Problem 3.3P
To determine
Calculate the weight and volume of the soil quantities.
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The moist weight of 0.2 ft³ of a soil is 23 lb. The moisture content and the specific
gravity of soil solids are determined in the laboratory to be 11% and 2.7, respectively.
Calculate the following
a. Moist unit weight (lb/ft³)
b. Dry unit weight (lb/ft³)
c. Void Ratio
Soil Mechanics
(1) For a soil, the following are given: Specific gravity = 2.67, moist unit weight = 17.6 kN/m³, water
unit weight = 9.81 kN/m3 and moisture content = 12 %. Determine
(a) Dry unit weight,
(b) Void ratio,
(c) Porosity,
(d) Degree of saturation
The moist unit weights and degrees of saturation of a soil are given in the following table:
Unit Weight (pcf)
119.04
123.86
S (%)
65
85
Determine the specific gravity of the soil solids.
Determine the porosity of the soil in percent.
Determine the void ratio of the soil in percent.
Please answer this asap. For upvote. Thank you very much
Chapter 3 Solutions
MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 2 terms (12 months)
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - For a given sandy soil, emax = 0.75 and emin =...Ch. 3 - For a given sandy soil, the maximum and minimum...Ch. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.1CTPCh. 3 - Prob. 3.2CTPCh. 3 - Prob. 3.3CTP
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- Calculate the bulk density of a soil using the following values; a. Weight of fresh clod= 35 g b. Weight of paraffin clod= 38 g c. Weight of paraffin clod in water= 16 g d. Moisture content of the clod= 12%arrow_forward435 grams of moist granular soil was tested in the laboratory and was found to have a specific gravity of soil solids of 2.65. If the air void ratio is 16% and the volume of the solids is 116 cubic centimeters. Determine the: a. Void ratio. b. Bulk density, g/cc. c. Amount of water to be added to attain saturated state, g.arrow_forward19. A soil sample having a volume of 1 x 10³ m³ has a mass of 1950 grams and moisture content of 10%. The specific gravity of the soil solids is 2.66. a. What is the nearest value to the dry density of the soil in kg/m³? b. What is the nearest value to the void ratio in percent? c. What is the nearest value to the degree of saturation in percent?arrow_forward
- Calculate the bulk density of a soil using the following values;a. Weight of fresh clod= 35 gb. Weight of paraffin clod= 38 gc. Weight of paraffin clod in water= 16 gd. Moisture content of the clod= 12% a. 1.67 b. 1.66 c. 1.65 d. 1.64arrow_forwardCompute the total unit weight, dry unit weight, water content, and saturated unit weight of the soil sample below. Volume Weight Air Va Vv Vw Wa watef ww V Vs solids Ws Given: e = 0.8 s = 0.9 Gs = 2.68arrow_forward2. For a given soil, derive the following relation by drawing the three-phase diagram: Y=G, Y (1-n) (1 + w) 3. For a given soil, derive the following relation by drawing the three-phase diagram: Y=G, Y (1-n) +nSY 4. The moist unit weight of a soil is 17.8 kN/ms and the moisture content is 14%. If the specific gravity of the soil solids is 2.69, calculate the following: a. Dry unit weight b. Void ratio c. Degree of saturationarrow_forward
- In its natural state, a moist soil has a volume of 0.009 m3 and mass of 18.9 kg . The oven dry mass of the soil is 16.13kg. If the specific gravity of the soil solids was determined in the laboratory to be 2.70, Draw the phase diagram and calculate: a. Moisture content b. Moist unit weight c. Dry unit weight d. Void ratio e. Porosity f. Degree of saturationarrow_forwardA soil sample is oven-dried from its liquid limit state to its dry state causing a volume change of 60% of the dry volume. Likewise, the same soil is oven-dried from its plastic limit state to its dry state causing a volume change of 20% of the dry volume. The liquid limit and plastic limit are 54% and 26%, respectively. Determine the specific gravity of soil solids, shrinkage limit and shrinkage ratio. 1. INPUT THE VALUE OF SPECIFIC GRAVITY OF SOIL SOLIDS IN 2 DECIMAL PLACES 2. INPUT THE VALUE OF SHRINKAGE LIMIT IN PERCENTAGE FORM AND IN 2 DECIMAL PLACES 3. INPUT THE VALUE OF SHRINKAGE RATIO IN 2 DECIMAL PLACES Answer with text and/or attachments:arrow_forwardPlease round to the nearest thousandth (i.e., 0.001). A soil has total weight (W) = 50 lb and total volume (V) = 0.5 ft³. The water content and the specific gravity of the soil solids are determined in the laboratory to be 20 % and 2.65, respectively. Using this information, you can break down the total weight (W) into two variables: 1) Weight of solid (Ws) = 41.667 and 2) Weight of water (WW) = 8.333. Calculate the followings: 1. Volume of solid (Vs) = ft3 2. Volume of water (Vw) = ft3arrow_forward
- QI/ For the given dry sandy soil specimen: G=2.68, weight of dry soil = 100 gr, dry density= 1.6g/cm', emax = 0.7, emin = 0.48. Find the following 1. Volume of soil solid 2. Volume of void 3. Void ratio 4. Porosity 5. Air content 6. The relative density 7. What is the description of this sandy soil depending on the relative density? 8. What is the volume of water which must be added to this dry sample to reach the fully saturated state? What will be the total density ? 9. What are the maximum and minimum dry densities?arrow_forwardA saturated 100 cm^3 clay sample has a natural water content of 30%. It is found that the shrinkage limit occurs when the water content is 19%. The specific gravity of the soil is 2.70. a. What is the initial mass of the soil in grams? b. What is the dry mass of the soil in grams? c. What is the final volume of the soil in cm^3 after drying? d. What is the volume of the sample in cm^3 when the water content is 15%?arrow_forward435 grams of moist granular soil was tested in the laboratory and was found to have a specific gravity of soil solids of 2.65. If the air void ratio is approximated to be 16% and the volume of the solids is 116 cubic centimeters. Determine the following: a. Void ratio. b. Bulk density, g/cc. c. Amount of water to be added to attain saturated state, g.arrow_forward
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