Answered: PROBLEM 2: During a constant-head… | bartleby

Principles of Foundation Engineering (MindTap Course List)

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

See similar textbooks

Related questions

Question

PROBLEM 2:
During a constant-head permeability
test on a sand sample, 260 x 10° mm³
of water were collected in 2 minutes. If
the sample had a length of 100 mm, a
diameter of 40 mm and a maintained
head of 200mm. What is its coefficient
of permeability?
a. 0.769 mm/s b. 0.967 mm/s
c. 1.321 mm/s d. 0.862 mm/s

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

pls ans soon as posssible During a constant head permeability test on a sand sample, 260ml of water was collected in 2 min. If the sample had a length of 100 mm, a diameter of 40 mm and a maintained head of 200 mm, what is the coefficient of permeability?
During a constant head permeability test on a sand sample, 260 x 10^3 mm^3 of water were collected in 2 minutes. If the sample had a length of 100 mm, a diameter of 40 mm and a maintained head of 200 mm. What is the coefficient of permeability in mm/s?
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
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
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)
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 120 mm 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 bottom of the sample. a. 364 b. 728 c. 182 d. 910
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
Refer to Problem 3.5. Using Eq. (3.22), determine the averagerelative density of the sand.
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 following data are for a falling-head permeability test: Length of the soil sample = 140 mm Diameter of the soil sample = 70 mm Area of the standpipe = 19.6 mm2 At time t =0, head difference = 500 mm At time t = 7 minutes, head difference = 350 mm
16. For a constant laboratory permeability test on a fine sand, the following data are given: Length of specimen: 16 cm. Diameter of specimen: 97 mm. Constant head difference: 51 cm. Volume of water collected in 5.96 min.: 422 cc Void ratio of the soil specimen: 0.58 Determine the seepage velocity in m/min. Round off to four decimal places.
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. if the porosity of the sand is 55 % calculate the seepage velocity in cm/s. a. 1.0 x 10^-1 b. 4.3 x 10^-3 c. 3.47 x 10^-2 d. 2.6 x 10^-6

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Foundation Engineering (MindTap Cou…

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781305081550

Author:

Braja M. Das

Publisher:

Cengage Learning

Principles of Foundation Engineering (MindTap Cou…

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781305081550

Author:

Braja M. Das

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS