17. If the liquidity index (LI) is 0, the natural water content of plastic soil is equal to itsa. Liquid limitb. Plasticity indexc. Shrinkage limitd. Plastic limit18. Compaction is the process of soil densification that occurs due to thea. Expulsion of airb. Expulsion of organic matterc. Expulsion of waterd. All of the above19. The zero-air-void curve can be obtaineda. Through testing in the laboratory conditionsb. In the field using the appropriate machineryc. It is theoretical curve that cannot be achieved in practiced. None of the above20. In the US Quick clay is known when Sensitivity is betweena. 2-4b. 4-8C. 10-18d. >20MacBook Pro888DDF4F5F8

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Answered: 17. If the liquidity index (LI) is 0,…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.10P

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The volume of the solids is 65cc. The wet weight of the soil is 198g having a saturation at 48% and the dried weight is 176g. Determine the following: a. Total volume of the sample, cc. b. Volume of the voids, cc. c. Air void ratio, %.
The weight of a chunk of moist soil is 208 g and the volume of the sil chunkmeasured before drying is 120 cubic cm. After being dried out in the oven, the weight of the dry soil is 170 grams. Use Gs=2.65a. Compute the water content of the soil.b. Compute the void ratio.c. Compute the degree of saturation.
Soil is compacted at the construction site, so the void ratio changes (gets denser) from 0.80 to 0.50. Specific gravity of solids is 2.70. **(Vs VT / 1+e) VT = 1 What is the increase in the dry unit weight of the soil?
The mass of a wet sample of soil and its container is 0.32 kg. The dry mass of the soil and itscontainer is 0.28 kg. The mass of the container is 0.06 kg, and its volume is 1.5x10-4 m3. Thesoil completely fills the container. Finally, the specific gravity of solids is found to be 2.71.Determine the following parameters: d. The moisture content,e. The degree of saturation,f. The saturated unit weight,g. The submerged unit weight, andh. What is the maximum dry unit weight to which this soil can be compacted withoutchanging its moisture content?
Q1-) A soil sample in plastic limit state weighs 2.535 N and becomes 1.980 N after oven drying. The plasticity index and the shrinkage limit of the soil are 11% and 15% respectively. Determine the quantity of water in liter to be added or taken out of the sample to change its state to: i- Solid state. ii- State at which the liquidity index equals to two.
find the following: a. What is the value of the percent passing for sieve with 2 mm. opening in percentage? b. What is the value of the percent passing for sieve with 150 μm. opening in percentage? c. What is the value of the Effective Size of soil in mm.? d. What is the value of the coefficient of gradation?e.What is the value of the coefficient of uniformity? f. What are the percentages of gravel, sand, and Fines using the limits indicated by USCS? g. What are the percentages of gravel, sand, silt and clay using the limits indicated by MIT? h. What are the percentages of gravel, sand, silt and clay using the limits indicated by AASHTO? i. What are the percentages of gravel, sand, silt and clay using the limits indicated by USDA?
11. The range of water content between the liquid and plastic limits is termed as: A. liquid limit B. plasticity index C. plastic limit D. shrinkage limit 12. A container of volume 3.25 x 10-3 m³ weighs 10.8 N. Dry sand was poured to fill the container. The container and the sand weigh 62.5 N. Calculate the porosity of the sand. Assume Gs = 2.72. A. 67.74% C. 43.56% B. 40.38% 0 mod D. 54.25%
Using Unified Soil Classification System, determine the following: (a) Coefficient of Gradation (b) Group Symbol. Passing No. 4 = 47 % Passing No. 200 = 10 % D10 = 3.45 mm %3! D30 = 6.29 mm De0 = 13.72 mm Plasticity for the minus No. 40 fraction: Liquid Limit = 28 % Plastic Limit = 17 % O GC-GM GP-GC O GC O Coef. Of Gradation = 0.84 O GP O Coef. Of Gradation = 3.97
Q- A suspension of sand like particles in water with particles of diameter 0.10 mm and below is flowing into a settling tank at 0.10 m³/s. Assume g=9.81 m/s², specific gravity of particles=2.65, and kinematic viscosity of water=1.0105x102 cm²/s. Find the minimum surface area (in m²) required for this settling tank to remove particles of size 0.06 mm and above with 100% efficiency.
A 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:
Quiz 2 A partially Saturated soil specimen has a fotal mass M:1360-52 gm and water content w:28-35% and porosity n=45-95%- IF the volume selids in the specimen is = 392.6 cm, delermine:- a-The total volume f the specimen V. b. The specific gravity of solids G. CThe air rahio in the specimen A
The field wt of soil sample is 1900 kg/m³and the unit wt of the soil particle is 2660 kg/m³. A. Compute the dry unit weight if the moisture content is 11.5%. B. Compute the void ratio. C. Compute the degree of saturation.

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