For a given soil, the following are given in Table: Specific Gravity Gs, bulk unit weight γ), and moisture content (w). Use data from the table according to your registration number. (You can solve answer on paper and paste neat clear image in the answer). Student Registration Number Gs γ (kN/m3) moisture content (w) % 102 2.72 17.2 20 Determine: Dry unit weight Void ratio Porosity Degree of saturation

For a given soil, the following are given in Table: Specific Gravity Gs, bulk unit weight γ), and moisture content (w). Use data from the table according to your registration number. (You can solve answer on paper and paste neat clear image in the answer). Student Registration Number Gs γ (kN/m3) moisture content (w) % 102 2.72 17.2 20 Determine: Dry unit weight Void ratio Porosity Degree of saturation

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter16: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 16.3P

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The moist unit weights and degrees of saturation of a soil are given in the table. y (kN/m3) S(%) 16.62 50 17.71 75 Determine: a. e b. Gs Show handwritten solutions.
Calculate the coefficient of gradation, Cc. ? Classify the soil by AASHTO and USCS system. (LL = 30, PL = 10) ? Use this given M=Mass of soil retained in pan +∑Mass reatianed in each sieve⇒M=617 gM=Mass of soil retained in pan +∑Mass reatianed in each sieve⇒M=617 g Sieve No. Opening Size (mm) Mass retained (g) %Mass retained=MiM×100=MiM×100 %Cumulative mass retained % Finer 4 4.750 28 =28617×100%=4.54%=28617×100%=4.54% 4.54 95.46 10 2.0 42 =42617×100%=6.81%=42617×100%=6.81% 11.35 88.65 20 0.850 48 =48617×100%=7.78%=48617×100%=7.78% 19.13 80.87 40 0.425 128 =128617×100%=20.74%=128617×100%=20.74% 39.87 60.13 60 0.250 221 =221617×100%=35.82%=221617×100%=35.82% 75.69 24.31 100 0.150 86 =86617×100%=13.94%=86617×100%=13.94% 89.63 10.37 200 0.075 40 =40617×100%=6.48%=40617×100%=6.48% 96.11 3.89 Pan 24 =24617×100%=3.89%=24617×100%=3.89% 100 0 Now, to plot the GSD curve, the % finer is kept on the vertical axis and the opening size are kept on the horizontal axis -…
Calculate the coefficient of permeability of a soil sample of 6 cm is height and 50cm2 in cross sectional area, if the quantity of water equal to 450ml passed down in 10minutes under an effective constant head of 40cm. On oven drying, the test specimen weigh 495g. Take Gs as 2.65, calculate the seepage velocity of water during test.
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
The section size of a water pipe is (100cm Χ 100cm), three types of soils A, B, and C are placed in the pipe, and a fixed amount of water is injected into the top left tap to keep the water head difference between the left and right ends of the pipe 60cm. The three soil permeability coefficients are k_A = 0.05 cm/sec , K_B = 0.1 cm/sec, k_C = 0.001 cm/sec, please calculate the following values:(1) The fixed amount of water injected into the faucet on the upper left (cm3/hr)(2) What is the total water head consumed by each of the three soils of A, B, and C (cm)(3) The overall volumetric seepage force of water flowing through the three soils (kN/m3)
If a soil sample has a dry unit weight of 19.5 KN/m3, moisture content of 8% and a specific gravity of solids particles is 2.67.Calculate the following: a. The void ratio. b. Moisture and saturated unit weight. c. The mass of water to be added to cubicmeter of soil to reach 80% saturation. d. The volume of solids particles when the mass of water is 25 grams for saturation. note that the solution available on chegg website
Laboratory tests performed on a saturated alluvial subgrade soil gave the following information: In situ water content = 11.9%, Specific gravity = 2.65, Soil size distribution: D100 = 51 mm, D75 = 30 mm, D60 = 20 mm, D45 = 15 mm, D30 = 8 mm, D10 = 4.76 mm, D8 = 2 mm, D4 = 0.08 mm, < 2 m = 4% a. Is this soil well graded? Classify it by the AASHTO and Unified systems b. Using the sieve analysis soil data and the classification systems, estimate for a total of 100% the approximate percentages of coarse aggregate (gravel), fine aggregate (sand), silts, and clays?
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?
In a partially saturated soil, the moisture content W% is 66.67%, the relative specific gravity of solids Ss is 2.5, and the saturated specific gravity of the sample is 1.45 g/cm3. If the volume of air is equal to 8 cm3. Determine the other quantities of the scheme, and calculate: e, n, Gw%, Ym, Yd, Ysat, Y'. Note: Kindly answer all with clear calculations.
U.S Sieve No Opening (mm) Mass of soil retained (g) 4 4.75 28 10 2.00 42 20 0.85 48 40 0.425 128 60 0.250 221 100 0.150 86 200 0.075 40 Pan 24 Determine the percent finer than each sieve and plot a grain-size distribution curve. Determine D10, D30, and D60 from the grain-size distribution curve. Calculate the uniformity coefficient, Cu. Calculate the coefficient of gradation, Cc. Classify the soil by AASHTO and USCS system. (LL = 30, PL = 10)
Q6. Given: a soil sample with properties shown belowD=5 in, H=10 in, Wt=6320 g, w=19.7%, Gs=2.65Find:a) total volume, Vt, volume of solids, Vs, volume of voids, Vv, volume of water, Vw, volume of air, Va, in the sample in ft3 b) degree of saturation, S, volumetric water content, θw, and void ratio, e c) total unit weight, γt, dry unit weight, γd, and saturated unit weight, γsat in pcf
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