For a falling head permeability test, the following values are given: Length of specimen = 38.97 cm, Area of specimen = 19.25 cm^2, and k = 2.96 x 10^-3 cm/sec. What should be the area (in cm^2) of the standpipe for the head to drop from 63 cm to 34 cm in 8.89 minutes? Round off to three decimal places

For a falling head permeability test, the following values are given: Length of specimen = 38.97 cm, Area of specimen = 19.25 cm^2, and k = 2.96 x 10^-3 cm/sec. What should be the area (in cm^2) of the standpipe for the head to drop from 63 cm to 34 cm in 8.89 minutes? Round off to three decimal places

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 7.23P

See similar textbooks

Similar questions

For a falling head permeability test, the following values are given: Length of specimen = 38.69 cm, Area of specimen = 19.19 cm^2, and k = 2.84 x 10^-3 cm/sec. What should be the area (in cm^2) of the standpipe for the head to drop from 61 cm to 33 cm in 8.41 minutes? Round off to three decimal places. Answer: 1.157
Question 11 For a falling head permeability test, the following values are given: Length of specimen = 38.32 cm, Area of specimen = 19.07 cm^2, and k = 2.89 x 10^-3 cm/sec. What should be the area (in cm^2) of the standpipe for the head to drop from 64 cm to 32 cm in 8.86 minutes? Round off to three decimal places.
For a falling head permeability test, the following values are given: Length of specimen = 38.69 cm, Area of specimen = 19.96 cm^2, and k = 2.86 x 10^-3 cm/sec. What should be the area (in cm^2) of the standpipe for the head to drop from 61 cm to 34 cm in 8.47 minutes?
For a variable head permeability test. the following values are given: length of specimen = 380 mm, area of specimen = 19.4 cm2 k = 2.92 ( 10-3 cm/sec. What should be the area of the standpipe for the head to drop from 640 to 310 mm in 8. min?
Suppose the following values are obtained through a Constant Head Apparatus while measuring permeability. Calculate the coefficient of permeability. · Volume of water passing through soil in time (t) = 100ml · Cross-sectional area of specimen = 500 mm2 · Thickness of specimen = 8 mm · Hydraulic head = 5 mm · Mean temperature of water during test = 20oc Time interval t = 2 minute
For a falling-head permeability test, the following are given:length of specimen = 380 mmarea of specimen = 6.5 cm2k = 0.175 cm/minWhat should be the area of the standpipe for the head to dropfrom 650 cm to 300 cm in 8 min?
In a falling head permeability test, head causing flow was initially 50 cm and it drops 2 cm in 5 minutes. How much time in minutes required for the head to fall to 25 cm ? Provide a diagram. a.49.4 b.89.4 c.98.4 d.84.9
Relationship of Fr with water saturation 1. How important is the saturation exponent factor n? 2. What influences the magnitude? 3. Mention several methods to find these quantities and include references!
In a falling head permeability test, head causing flow was initially 50 cm and it drops 2 cm in 5 minutes. How much time in minutes required for the head to fall to 25 cm ? a. 89.4 b. 98.4 c. 84.9 d. 49.4
Write the simplified equation for estimating TSS as a function of Q. Determine the 2 parameters associated with this relationship if TSS is 89 mg/L at Q = 8 m 3 /s and TSS is 109 mg/L at Q = 12 m 3 /s? What will be the TSS if Q is 20 m3 /s?
4.1.2 A cylinder has 500 cm3 of water. After a mass of 100 grams of sand is poured into the cylinder and all air bubbles are removed by a vacuum pump, the water level rises to 537.5 cm3. Determine the specific gravity of the sand.
The initial head is 300 mm in a falling head permeability test. It drops by 10 mm in 3 minutes. How much longer (in seconds) should the test continue, if the head is to drop to 180 mm?