Question 34 ptsAssuming the groundwater table is at ground surface and the soil bulk unit weight is 20KN/m3. At 2m depth below ground level. The pore water pressure isapproximately:200 kPaO 9.8 kPaO 98 kPaO 19.6 kPaQuestion 44 ptsA soil sample is placed in a 1m long and 10cm diameter tube. A constant supply of water is allowed to flow from inlet to outlet. The total water head at theinlet is 2m and the total water head at the outlet is 1m. The hydraulic conductivity is 0.001 cm/s.Which of the following answer is correct?O The flow velocity is 25 cm/sO The hydraulic gradient in the tube is 2O The flow velocity is 0.001 cm/sO The hydraulic gradient in the tube is 0.001

Answered: Image /qna-images/answer/da27a64b-7e0a-45cb-8772-05dfabf36514.jpg

Answered: Assuming the groundwater table is at…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.16P

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PART IV: PERMEABILIT Y PROBLEM A For a constant head laboratory test on a fine sand, the following are the given values : • Length of the specimen • Di ameter of the specimen 14.0 inches 3.25 inches He ad difference 25.0 inches Water collected in 2.50 mins Void ratio A. Compute for the hydraulic conductivity of the soil in in/sec. B. Determine the discharge velocity through the soil in in/sec. c. Determine the seepage velocity in in/sec. 0.065 cubic inches 0.45
The Laboratory Apparatus shown maintains aconstant head in both the upper and lowerreservoirs. The soil sample is a silty sand with ahydraulic conductivity K = 5 x 10-3 cm/sec. and amoisture content of 18.5%. Specific gravity of soilsample = 2.70. Compute the seepage velocity.Determine the time required for the plug of water topass through the soil. Compute the discharge ofwater.
ll Ooredoo ? 2:38 PM O 100% Annotation 20... 山 A soil sample was collected near the Quriyat dam got the following properties: Coefficient of permeability k = 2.5x 105 m/sec, cross-sectional area = 45 cm?. A quantity of water 650 mL passed down for 15 minutes under an effective constant head of 450 mm. On oven drying, the test specimen has a mass of 500 g. Take Gs = 2.65, calculate a. Length of the soil sample in mm. b. Seepage velocity. Paragraph I Not allowed to type here
Don't attempt wrong i will downvote.....A cylindrical soil sample, 7.3 cm in diameter and 16.8 cm in height, is tested in a constant-head permeability apparatus. A constant head of 75 cm is maintained during the test. After 1 minute of testing, a total of 945.7 gm of water was collected. The temperature was 20 oC. The void ratio of the soil was 0.43. Calculate the following: 1. The hydraulic gradient 2. The flow rate 3. The discharge velocity 4. The seepage force per unit volume 5. The coefficient of permeability
A block of soil in a permeability test has a length of 120 mm and a cross-sectional area of 600 mm2. The water level at one end is 200 mm above a fixed datum and at the other end is 30 mm above the same plane. The flow rate was 2 ml in 90 seconds. Compute the coefficient of permeability of the soil in m/s. a.2.61 x 10-5 m/s b.0.98 x 10-5 m/s c.1.78 x 10-5 m/s d.3.97 x 10-5 m/s e.1.89 x 10-5 m/s
PROBLEM B For a constant head laboratory test on a fine sand, the following are the given values: • Length of the specimen • Di ameter of the specimen 14.00 cm 7.60 cm Head difference 42.00 cm Water collected in 3.50 mins 395 cu.cm Void ratio 0.40 A. Compute for the hydraulic conductivity of the soil in cm/sec. B. Determine the discharge velocity through the soil in cm/sec. c. Determine the seepage velocity in cm/sec.
ula 1A C e Mana The total volume of a soil specimen is 80,000 mm3 and it weighs 150 grams. The dry weight of the specimen is 130 grams and the density of the soil solids is 2680 Kg/m3. Find the POROSITY OF SOIL( n) knowing that pwater3D1000kg/m3 Select one: a. 0.271 b. 0.393 c. 0.170 d. 0.111 Next pa Jump to... Announcement
Length of soil sample for constant head permeability test is 30 cm, Area of specimen is 177cm, constant head difference is 50 cm, total volume of water collected in 5 min is 350cm'. Calculate the hydraulic conductivity of the soil. A) 2.85x10'cm/sec D) 1.09x10 cm/sec 8) 1.09x10 cm/sec 9 3.95x10 cm/sec Answer A Submit
For a falling head permeability test, the following are given. Length of specimen is 380 mm, area of specimen = 6.5 cm2, hydraulic conductivity of the soil specimen is 0.017 cm/min. If the test temperature is 30 degrees Celsius, compute the corrected coefficient of permeability in cm/sec. A 0.035 0.028 0.021 0.014 B.
Please determine the hydraulic conductivity of soil sample. The length of soil is 200 cm, outflow rate is 10 cm3/s, the cross-sectional areas of tube, water tank, and soil column are 2 cm2, 200 cm2, and 25 cm2, respectively. The depth of water in the tank is 30 cm, the height of PC is 50 cm, the tilt angle of soil column is 30 degree. 30 degree
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The permeameter in a perrneability test setup involves a soil sample 200 mm diameter and a length of 30 mm. The height of water is kept constant at 400 mm. In a duration of 4 min, water was collected in the graduated flask having a volume of 420 cu. cm. Determine the following. Flow Rate Hydraulic gradient Hydraulic conductivity

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