Problem: For a constant laboratory permeability test on a fine sand, the following data are given: Length of specimen - 16 cm Diameter of specimen - 9.6 cm Constant head difference - 50 cm Volume of water collected in 4 min - 420 cc Void ratio of the soil specimen - 0.55 A.) Determine the hydraulic conductivity of the soil in cm/sec B.) Determine the discharge velocity in cm/sec C.) Determine seepage velocity in cm/sec Problem: For a falling head permeability test, the following are given: Length of Soil Specimen - 200mm Area of Soil Specimen - 1000mm^2 Area of Stand pipe - 40mm^2 Head Difference at time t = 0 min - 500mm Head Difference at time t = 3 min - 300mm A.) Compute hydraulic conductivity of the soil in cm/sec B.) Compute the seepage velocity if the porosity is 0.25 in cm/sec C.) What is the head difference at time t = 100 sec in mm
Problem: For a constant laboratory permeability test on a fine sand, the following data are given: Length of specimen - 16 cm Diameter of specimen - 9.6 cm Constant head difference - 50 cm Volume of water collected in 4 min - 420 cc Void ratio of the soil specimen - 0.55 A.) Determine the hydraulic conductivity of the soil in cm/sec B.) Determine the discharge velocity in cm/sec C.) Determine seepage velocity in cm/sec Problem: For a falling head permeability test, the following are given: Length of Soil Specimen - 200mm Area of Soil Specimen - 1000mm^2 Area of Stand pipe - 40mm^2 Head Difference at time t = 0 min - 500mm Head Difference at time t = 3 min - 300mm A.) Compute hydraulic conductivity of the soil in cm/sec B.) Compute the seepage velocity if the porosity is 0.25 in cm/sec C.) What is the head difference at time t = 100 sec in mm
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
Related questions
Question
Problem:
For a constant laboratory permeability test on a fine sand, the following data are given:
Length of specimen - 16 cm
Diameter of specimen - 9.6 cm
Constant head difference - 50 cm
Volume of water collected in 4 min - 420 cc
Void ratio of the soil specimen - 0.55
A.) Determine the hydraulic conductivity of the soil in cm/sec
B.) Determine the discharge velocity in cm/sec
C.) Determine seepage velocity in cm/sec
Problem:
For a falling head permeability test, the following are given:
Length of Soil Specimen - 200mm
Area of Soil Specimen - 1000mm^2
Area of Stand pipe - 40mm^2
Head Difference at time t = 0 min - 500mm
Head Difference at time t = 3 min - 300mm
A.) Compute hydraulic conductivity of the soil in cm/sec
B.) Compute the seepage velocity if the porosity is 0.25 in cm/sec
C.) What is the head difference at time t = 100 sec in mm
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