Can u solve ?(readable) A soil specimen is 38 mm in diameter and 76 mm long, and in its natural conditionweighs 168.0 g. When dried completely in an oven, the specimen weighs 130.5 g. The value ofGs is 2.73. What is the degree of saturation of the specimen?
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Can u solve ?(readable)
A soil specimen is 38 mm in diameter and 76 mm long, and in its natural condition
weighs 168.0 g. When dried completely in an oven, the specimen weighs 130.5 g. The value ofGs is 2.73.
What is the degree of saturation of the specimen?
Step by step
Solved in 2 steps
- The total volume of a soil specimen is 80,000 mm^3 and has a mass of 152 g. the dry mass of the specimen is 122g, and the density of the soil is 2.65 Mg/m^3. Compute the following index properties: (a) e; (b) n; (c) S; (d) ρt; and (e) ρd. Include phase diagrams.3- Following are the results of a laboratory consolidation test on a sample of undisturbed clay obtained from the field. Final height of specimen (in) Pressure, o' (lb/ft') 1 0.9917 1,000 2,000 4,000 0.9843 0.956 0.9142 8,000 0.8685 16,000 0.8228 32.000 The height of the specimen at the beginning of the test was 1.0 inch, and the diameter was 2.5 inches. The moist specimen weighed 0.31 lb and the water content was determined to be 19%. Estimate the compression index and the preconsolidation pressure from the e-log o' curve. (Plot in Excel) Given: Gs = 2.7.In falling head permeability test the initial head was 350 mm and the final head was 60 mm. The cross-sectional area of the burette was 200 mm2. The sample was 50 mm in diameter and 105 mm long. If the test took 8 hours and 30 minutes, what was the coefficient of permeability of the soil in m/s?
- Q.43 The liquid limit and plastic limit of a soil sample are 50% and 40% respectively. If the volumetric shrinkage at the liquid limit and plastic limit are 42% and 28%, then the shrinkage limit is %.An ASTM D 854 test was done on a sand. The data are shown below. Calculate the specific gravity. Mass of pychnometer = 46.1 grams Mass of pychnometer and dry soil = 67.4 grams Mass of pychnometer, dry soil and water = 157.7 grams Mass of pychnometer and water = 140.9 gramsThe resistance to membrane expansion (i.e., the results of the dilatometer test that relate to the total soil pressure against the blade). What is the basic information used determine through this?
- In falling head permeability test the initial head was 350 mm and the final head was 50 mm. The cross-sectional area of the burette was 200 mm2. The sample was 50 mm in diameter and 100 mm long. If the test took 8 hours and 45 minutes, what was the coefficient of permeability of the soil in m/s? a.7.15 x 10-7 m/s b.6.29 x 10-7 m/s c.7.89 x 10-7 m/s d.8.78 x 10-7 m/s e.5.69 x 10-7 m/sA soil specimen weighs 30 grams oven dried. When mixed with 7.50 cc of water, the soil is at its plastic limit. The addition of another 10.50 cc of water brings the sample to the liquid limit. What is the plasticity index of the soil?In a site consisting of normally consolidated clean sands,the water table is at 10 ft depth. The average unit weight ofthe sand above and below the water table is 111.5 lb/ft3 and125.0 lb/ft3, respectively. At a 25 ft depth, N60 was reportedas 26. Determine the following:a. (N1)60 using Liao and Whitman’s (1986) equation for CNb. Dr using Skempton’s (1986) correlation c. Friction angle using Schmertmann’s (1975) correlationd. Modulus of elasticity using Kulhawy and Mayne’s (1990)correlation
- A Dry sand is placed in a container 9 cm3. The dry weight of the sample is 15 g. Water is carefully added to the container so as not to disturb the condition of the Sample. When the container is filled the combined weight of soil and water is 18 g. Determine the following: the Void ratio of sample in the container Porosity Water constant Specific gravity of the soil particle Saturated unit weight Dry unit weightLaboratory test results for a sample of clay soil for the purpose of evaluating the potential for volume change (swelling, expansion) are shown Liquid limit = 60% %3D Plastic limit = 24% %3D Particles smaller than 0.002 mm = 44% %3D Compute the plasticity index O 44 68 O 24 O -44A soil specimen weighs 30 grams oven dried. When mixed with 7.50 cc of water, the soil is at its plastic limit. The addition of another 10.50 cc of water brings the sample to the liquid limit. What is the plasticity index of the soil? Answer should be 10%.