Situation 1 - a. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is the void ratio? b. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is its water content? c. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is the hydraulic gradient at hydraulic condition?

Situation 1 - a. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is the void ratio? b. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is its water content? c. A soil sample has specific gravity of 2.7 and unit weight at zero air voids 15.08kN/m3 What is the hydraulic gradient at hydraulic condition?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter4: Plasticity And Structure Of Soil

Section: Chapter Questions

Problem 4.6P: Refer to the soil in Problem 4.5. Using the Casagrande plasticity chart, graphically estimate the...

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Let us assume that a soil sample taken in the field is taken and it must be identified by the SUCS Method and AASHTO Method. Moisture content = 5.75% Limit liquid = 53.5 Plastic limit = 31.6 Granulometry Sieve % Pass No. 4 100 # 40 68 # 200 54.3 Do you select the best answer? a) Inorganic silt and sand, with low plasticity b) Inorganic clay with low plasticity c) Clay silt, traces of gravel, dark Brown
Q3: Select the correct answer: 1. A soil sample has a specific gravity of 2.6 and a void ratio of 0.832. The water content required to fully saturated the soil at that void ratio will be: a. 42%. b. 62 %. c.32% d. 22% 2. The ratio of the volume of voids to the volume of solids of soil is: a. Void ratio. b. Air content c. Degree of saturation. d. Porosity. 3. The void ratio of the soil in its loosest condition а. етах- b. emin. с. еn d. e. 4. At fully saturated dry soil, Vw=Vv (S =1). a. True. b. False 5. A soil sample has a specific gravity of 2.6 and the water content is 0.32 required to fully saturated the soil at that void ratio will be: a. 0.832. b. 0.62. c.0.32 d. 0.22
PROBLEM1 The result of the sieve analysis is shown below: a. What is percentage of the soil is retained in no.200 sieve? b. What is the effective grain size of the soil in mm? c. Determine the uniformity coefficient. Sieve no Diameter (mm) Mass retained grams 4 4.76 25 8. 2.23 80 10 2.00 110 20 0.84 160 40 0.42 180 60 0.25 220 80 0.180 380 100 0.149 590 200 0.074 110 PAN 85
B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30 = 0.35 mm D10 = 70 μm L.L = 36% P.L = 31% D8 = 2 μm 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if we = 26%. J
Geotechnical Engineering Please help me answer this question, and please show your solutions write it properly. Problem 3 A soil sample with a grain specific gravity of 2.67 was filled in a 1000mL container in the loosest possible state and the dry unit weight of the sample was found to be 14.75 N. It was then filled at the densest obtainable state and the weight was found to be 17.70 N. The void ratio of the soil in the natural state was 0.63. Determine the relative density in the natural state.
A soil sample has 36 g of soil solids, 14 cm³ of voids, 11 g of water and specific gravity of soil grains is 2.6. Consider the following statements in this regard: a) The water content is 30.56 % b) The void ratio is 1.01 c) Degree of saturation is x 100 = 42.31% d) The porosity is 0.50 Which of these statements are correct?
2.67 A sample of soil was tested in the laboratory and the following grain-size analysis results were obtained: Sieve No. Sieve Opening (mm) Percent Coarser by Weight 4 10 20 40 60 100 200 Pan 4.75 2.00 0.85 0.425 0.25 0.15 0.075 37 52 64 69 71 77 90 100 LL = 60, PL = 26 Classify this soil according to the USCS, providing the group symbol for it.
U B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30 = 0.35 mm D₁0 = 70 μm L.L = 36% P.L = 31% D8 = 2 µm 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if we = 26%.
Refer to the soil in Problem 4.5. Using the Casagrande plasticity chart, graphically estimate the shrinkage limit of the soil as shown in Figure 4.22. 4.5 The following data were obtained by conducting liquid limit and plastic limit tests on a soil collected from the site. Liquid limit tests: Plastic limit test: PL = 19.3% a. Draw the flow curve and determine the liquid limit. b. Using the Casagrande plasticity chart (Figure 4.21), determine the soil type.
Sr B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30=0.35 mm D₁0 = 70 μm D8=2 μm L.L = 36% P.L = 31% 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if wc = 26%.
Problem Set 1 Signature Problem 1: (20 pts) A soil sample has a moisture content of 32%, while its degree of saturation and moist unit weight is 85% and 17.5 kN/m³ respectively. a. What is the specific gravity of the soil solids? b. What is the void ratio of the soil sample? c. What is the porosity of the soil sample? d. What is the dry unit weight of the soil sample?
90, 95, and 100%. four samples. 3.2 A cubic foot of soil in its natural state weighs 113 lb: after being dried it weighs 96 1lb. The specific gravity of the soil is 2.70. Determine the degree of saturation, void ratio. porosity, and water content for the soil as it existed in its natural state. 3.3 A container of saturated soil weighed 113.27 g before it was placed in an oven and 100.06 g after it remained in the oven overnight. The container alone weighs 49.31 g; the specific gravity of the soil is 2.80. Determine the void ratio, porosity, and water content of the original soil sample. 3.4 A saturated soil has a unit weight of 120 pcf and a water content of 32.5%. Determine the void ratio and specific gravity of the soil. 3.5 A sample of dry sand having a unit weight of 105 pcf and a specific gravity of 2.70 is placed in the rain. During the rain the volume of the sample remains constant but the degree of saturation increases to 40%. Determine the unit weight and water content of the…