3. Given the soil cylinder and the test setup shown in Figure 2.Eh=1.0mA0.5 mB.|0.5 mSOIL1.5 mDatumFilter screenFigure 2(1) Determine the pressure, elevation, total heads and head loss at points A through E in centimetersof water, and plot these values versus elevation.(2) If the diameter of the soil cylinder is 6 cm and 42.5 cm water flows through the soil sample in 5min, calculate the coefficient of permeability of the soil and the discharge velocity.(3) A 20 cm long cylinder sample with the diameter of 6 cm is taken from the soil column in Figure 2.If the dry weight of the soil sample is 9.33 N, and the specific gravity of soil particles is 2.70,calculate the seepage velocity.

Pressure head: It is the level of water from the point which we have to calculate. Elevation…

Answered: Given the soil cylinder and the test…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter11: Ground Improvement

Section: Chapter Questions

Problem 11.8P

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For a falling head laboratory test, the following are the given values:• Length of soil specimen = 210.00 mm• Initial head = 523.00 mm• Final head = 297.00 mm• Duration of test = 3.50 mins• Area of standpipe = 42.0 sq.mm• Area of specimen = 1050.00 sq.mmA. Compute for the hydraulic conductivity of the soil in cm/sec.B. Determine the seepage velocity if n=0.35C. Determine the head difference at t = 120 sec
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)
A soil profile is shown in Figure 7.28. An embankment load of 500 kg/cm² is placed on the ground surface. Define the following: a. How much water will rise in the pizometer immediately after applying the load. b. What is the degree of consolidation at A if h = 26 ft. c. Determine the magnitude of h if the degree of consolidation at point A is 50%. And Draw the curve NB: part A Assume that the increase in pore water pressure is uniform over the entire depth of very clayey having a thickness of 10 ft.
A soil sample 15 cm in diameter is placed In a tube 2 m long. A constant supply of water is allowed toflow into one end of the soil at A and the outflow at B is collected by a beaker. The average amount ofwater collected is 2 cubic centimeter every 5 seconds. The tube is inclined and has a head differenceof 2.5 m. Determine the following 1. Hydraulic Gradiant. 2. Flowrate in cm/s. 3. Discharge Velocity in cm/s. 4. Seepage velocity in cm/s if porosity is 0.420. 5. Hydraulic Conductivity.
A constant-head permeability test is performed where the hydraulic gradient is 0.75. The crosssectional area of the sample is 0.25 ft2. The quantity of water flowing through the sample is measured to be 0.004 ft3/minute. (a) What is the coefficient of permeability in feet per minute? (b) What is the coefficient of permeability in millimeters per second?
For a falling-head permeability test, the following values are given: Length of specimen = 200 mm Area of soil specimen = 1000 mm^2 Area of standpipe = 40 mm^2 Head difference at time t = 0 = 500 mm Head difference at timt t = 3 minutes = 300 mm Determine the hydraulic conductivity of the soil in ×10−4cmsec Please answer this asap. For upvote. Thank you very much
In a pressuremeter test in a soft saturated clay, the measuringcell volume Vo = 535 cm3, po =42.4 kN/m2,pf =326.5 kN/m2, vo =46 cm3, and vf = 180 cm3.Assuming Poisson’s ratio smsd to be 0.5 and using Figure3.31(attached), calculate the pressuremeter modulus (Ep).
Water flows at the rate of 0.09 ml/s in an upward direction through a sand sample with a coefficient of permeability of 2.7 × 10^–2 mm/s. The thickness of the sample is 120mm and the area of cross-section is 5400 mm2. Taking the saturated unit weight of the sand as 18.9 kN/m3, determine the effective pressure in Pa at the middle of the sample. a. 364 b. 910 c. 182 d. 728

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