Q4-An undisturbed sample of clayey soil isfound to have a wet weight of 285 N, a dryweight of 250 N, and a total volume of14x10³ cm³ if the specific gravity of soilsolids is 2.70, determine the watercontent, void ratio, and the degree ofsaturation.

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Answered: Q4-An undisturbed sample of clayey soil…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.5P

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1. (i) A dry soil has a void ratio of 0.65 and its grain specific gravity is = 2.80. What is its unit weight?(ii) Water is added to the sample so that its degree of saturation is 60% without any change in void ratio. Determine the water content and unit weight.(iii) The sample is next placed below water. Determine the true unit weight (not considering buoyancy) if the degree of saturation is 95% and 100% respectively. 2. A sample of saturated soil has a water content of 35%. The specific gravity of solids is 2.65. Determine its void ratio, porosity, saturated unit weight and dry unit weight 3. For a given soil, the void ratio e, water content w, and specific gravity Gs are found to be 0.50, 15%, and 2.65, respectively. Find: (a) Total unit weight of the soil γt (b) Degree of saturation S (c) Dry unit weight γd if the water in the void is removed 4. A shrinkage limit test for a saturated specimen had the initial volume Vi = 21.35 cm3 and initial weight Wi = 37 gf (…
a. Write down the four Factors that effects the Behavior of Soil. b. A soil specimen with volume of 0.60x10-4 m3 , weighs 0.105 kg. Its dry weight is 0.0802 kg, and Gs is 2.65. Compute • Water content m, % • Void ratio e and porosity n • Degree of saturation Sr, % Kindly answer this question as soon as possible.
A saturated soil sample has a water content of 34% and void ratio of 0.92. Determine the effective and moist unit weight. Another soil has an effec-tive unit weight of 10.29 kN/m3 and has a void ratio of 0.62, what is this soil’s bulk density and degree of saturation at a water content of 14%. Assume a logical value of Gs with at least 4 significant figures.
10. The results of a Standard Proctoretest is tabulated as follows: (SEE PICTURE) Determine the maximum dry unit weight of compaction Determine the optimum moisture content Determine the void ratio at the optimum moisture content Gs = 2.70 Determine the degree of saturation at the optimum moisture content A field unit determination test for the soil, yielded the following data. Moisture content = 12% and moist unit weight = 106 pcf. Determine the relative compaction.
3. A clay soil is found to have a liquid limit of 75%, a plastic limit of 45% and a shrinkage limit of 25%. If a sample of this soil has a total volume of 30 cm' at the liquid limit and a volume of 16.7 cm' at the shrinkage limit, determine the following: a. Mass of soil at the shrinkage limit b. Shrinkage ratio c. Specific gravity of solids
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
A clay soil is found to have a liquid limit of 75%, a plastic limit of 45% and a shrinkage limit of 25%. If a sample of this soil has a total volume of 30 cm3at the liquid limit and a volume of 16.7 cm3 at the shrinkage limit, determine the following: A. Mass of soil at the shrinkage limit B. Shrinkage ratio C. Specific gravity of solids
1. A saturated 100 cm³ clay sample has a natural water content of 30%. It is found that the shrinkage limit occurs when the water content is 19%. If the sp. gr. of soil is 2.70.a. Compute the shrinkage ratio.b. Compute the volume of the sample.c. Compute the mass of dry soil sample
A sample of soil compacted according to the standard Proct or test has a density of 2.06 g/cm³ at 100% compaction and at an optimum water content of 14%. What is the dry unit weight? What is the dry unit weight at zero air-voids? If the voids become filled with water what would be the saturated unit weight? Assume Gs = 2.67 Air Water Solids Ma + - + M st
Determine the dry and bulk density of a soil sample having a porosity of 0.32 and a moisture content of 25% (Gs = 2.70)
Given: wet soil sample weight 45.6 lbs volume of soil before drying 0.40 cubic ft dry sample wt. 37.8 lbs specific gravity of solids 2.65 MUST include a Phase Diagram - draw & label. Find 1 2 3 545 water content unit weight of moist soil void ratio (hint, need Vw and Vs) porosity degree of saturation
A cylindrical soil sample prepared for laboratory testing has a diameter of 71 mm, a height of 142 mm, and weighs 10.675 x 10-3 kN. If the degree of saturation is 93% and the specific gravity of soil solids is 2.71, determine: void ratio water content water content under fully saturated condition

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Q4-An undisturbed sample of clayey soil is found to have a wet weight of 285 N, a dry weight of 250 N, and a total volume of 14x10³ cm³ if the specific gravity of soil solids is 2.70, determine the water content, void ratio, and the degree of saturation.