Question 2* The permeameter in a permeability test setup involves a soil sample 200 mm diameter and a length of30 mm. The height of water is kept constant at 400 mm. In a duration of 4 min, water was collected in thegraduated flask having a volume of 420 cu. cm. Determine the following.Flow Rateo Hydraulic gradiento Hydraulic conductivity

Answered: Image /qna-images/answer/dd53ea71-c35c-422f-b50f-539a2996f02e.jpg

Answered: Question 2 * The permeameter in a…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Hydraulic Conductivity

Section: Chapter Questions

Problem 6.7P

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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
(i) Determine the hydraulic conductivity of the soil (m/sec)(ii) What was the head difference at t = 5 minutes?
A constant-head test was conducted on a sample of soil 15 cm long and 60 cm^2 in cross-sectional area. The quantity of water collected was 50 cm^3 in 20 seconds under a head difference of 24 cm. Calculate the hydraulic conductivity in cm/s. a.1.0 x 10^-1 b.4.3 x 10^-3 c.2.6 x 10^-6 d.3.47 x 10^-2 WITH FBD
A falling head hydraulic conductivity test is performed on a sample of soil. The standpipe. having a diameter 0.35 cm is observed and it takes 80 seconds for the water to drop by 70 cm from an initial hydraulic head of 90 cm. The sample has a length of 22 cm, and a diameter of 5 cm. Compute the rate of flow of water in the soil (in cm³/s). Answer in 3 decimals Pls answer asap
A falling head permeability test started at t = 5 seconds with a head difference of 40 cm while the head difference at t = 205 seconds is 50 cm. Find the hydraulic conductivity given that the area of the standpipe is 0.004 cm, the area of the soil specimen is 0.1 cm2, and the soil specimen’s length is 20 cm
For a falling head laboratory test, the following are the given values:• Length of soil specimen = 480.0 mm• Initial head = 700.00 mm• Final head = 395.00 mm• Duration of test = 5.5 mins• Area of standpipe = 0.97 sq.cm• Area of specimen = 18.0 sq.cmA. Compute for the hydraulic conductivity of the soil in cm/sec.B. Determine the head difference at t = 3.50 mins.
For a falling head permeability test, these valueare given: Length of the soil specimen = 200 mm Area of the soil specimen = 1000 mm2 Area of the standpipe = 40 mm2 Head difference at time, t = 0 min is 500 mm Head difference at time, t = 3 min is 300 mm1. Determine the hydraulic conductivity of thesoil in cm/sec.2. What was the head difference at time, t =100 sec?
The following data are for a falling-head permeability test:• Length of the soil sample = 140 mm• Diameter of soil sample = 70 mm• Area of the standpipe = 19.6 mm2• At time t = 0, head difference = 500 mm• At time t = 7 min, head difference = 350 mma. Determine the hydraulic conductivity of the soil (cm/sec)b. What was the head difference at t = 5 min?
Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position of water table is located 4 m below the ground. Observation wells were sighted 33.5 m & 97.5 m from the pumping well. Water is pump at 248.4 m3/hr and when steady level was attained, the drawdowns at the observation wells were observed to be 1.1 m and 0.54 m, respectively. Compute the coefficient of permeability in m/day. CHOICES A. 64.82 m/day B. 71.49 m/day C. 71.49 m/day D. 78.09 m/day
Calculate the hydraulic conductivity of the soil in cm/sec. Determine the seepage velocity, in cm/sec, if the porosity of soil is 0.25. Find the head difference, in mm, at t = 100 seconds.
The laboratory apparatus shown in the figure below maintains a constant head in both the upper and lower reservoirs. The soil sample is a silty sand with a hydraulic conductivity k=5x10-3 cm/sec. and a moisture content of 18.5%. Specific gravity of soil sample is 2.70. Determine the discharge (m3/sec) of water.
A constant-head test was conducted on a sample of soil 15 cm long and 60 cm^2 in cross-sectional area. The quantity of water collected was 50 cm^3 in 20 seconds under a head difference of 24 cm. Calculate the hydraulic conductivity in cm/s. a.1.0 x 10^-1 b.4.3 x 10^-3 c.2.6 x 10^-6 d.3.47 x 10^-2

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