The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 41 cm Length of sample = 66 cm Constant head difference = 30 cm Time of collection = 473 secs Weight of water collected = 416 grams Find the seepage velocity in cm/min. if the void ratio is 0.43

The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 41 cm Length of sample = 66 cm Constant head difference = 30 cm Time of collection = 473 secs Weight of water collected = 416 grams Find the seepage velocity in cm/min. if the void ratio is 0.43

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.27P

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Q9) The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 31 cm Length of sample = 98 cm Constant head difference = 52 cm Time of collection = 364 secs Weight of water collected = 448 grams Find the seepage velocity in cm/min. if the void ratio is 0.33. Round off to four decimal places.
The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 31 cm Length of sample = 98 cm Constant head difference = 52 cm Time of collection = 364 secs Weight of water collected = 448 grams Find the seepage velocity in cm/min. if the void ratio is 0.33. Round off to four decimal places. Answer: 0.3943
Question 40 The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 25 cm Length of sample = 80 cm Constant head difference = 77 cm Time of collection = 388 secs Weight of water collected = 340 grams Find the seepage velocity in cm/min. if the void ratio is 0.49. Round off to four decimal places.
The results of a constant-head permeability test for a fine sand sample having a diameter of 70 mm and a length of 140 mm are as follows (refer to Figure 7.5):• Constant-head difference = 550 mm• Water collected in 7 min = 450 cm3• Void ratio of sand = 0.8Determine:a. Hydraulic conductivity, k (cm/sec)b. Seepage velocity
For a constant-head permeability test in a sand, the following are given: (L = 300 mm, Water collected in 3 min = 620 cm^3, A = 175 cm^2, Void ratio of sand = 0.58, h = 500 mm). Determine the seepage velocity.
13 For a constant laboratory permeability test on a fine sand, the following data are given: Length of specimen: 19 cm. Diameter of specimen: 99 mm. Constant head difference: 51 cm. Volume of water collected in 4.86 min.: 427 cc Void ratio of the soil specimen: 0.51 Determine the seepage velocity in m/min. Round off to four decimal places.
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For a constant head permeability test in a sand, the following values are given:• L 350 mm• A 125 cm2• h 420 mm• Water collected in 3 min 580 cm3• Void ratio of sand 0.61Determine:a. Hydraulic conductivity, k (cm/sec)b. Seepage velocity
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In a constant head test, the sample of sand was collected 150 cm3 of water in just two minutes. The diameter is 5.08 centimeters, the length was 10 centimeters, and the head was maintained at 20 cm. 1) Determine the coefficient of permeability (Ans. 3.08 x 10-2 cm/s) 2) Determine the kind of soil (Ans. Coarse Sand) 3) Determine the interstitial velocity if n=0.3 (Ans. 0.21 cm/s)
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