Complete the Falling Head Permeability Test Data. Length of Specimen (L): 127 mm Area of Specimen (A): 7,854 mm? Area of stand pipe (a): 113 mm? Specific Gravity of soil (Gs): 2.65 Temperature of water: 30 °C Test No. Initial head, Initial head, Time, t (seconds) Log10(h1/ h2) kr (mm/s) k20 (mm/s) h1 (mm) 1,200 h2 (mm) 1 550 122 2 1,200 400 173 1,200 250 244 Average Show calcuiation on how to determine the average coefficient of permeability of the soil sample at 20°C.
Complete the Falling Head Permeability Test Data. Length of Specimen (L): 127 mm Area of Specimen (A): 7,854 mm? Area of stand pipe (a): 113 mm? Specific Gravity of soil (Gs): 2.65 Temperature of water: 30 °C Test No. Initial head, Initial head, Time, t (seconds) Log10(h1/ h2) kr (mm/s) k20 (mm/s) h1 (mm) 1,200 h2 (mm) 1 550 122 2 1,200 400 173 1,200 250 244 Average Show calcuiation on how to determine the average coefficient of permeability of the soil sample at 20°C.
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
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![Complete the Falling Head Permeability Test Data.
Length of Specimen (L): 127 mm
Area of Specimen (A): 7,854 mm?
Area of stand pipe (a): 113 mm2
Specific Gravity of soil (Gs): 2.65
Temperature of water: 30 °C
Initial head,
Initial head, Time, t (seconds) Log10(h1/ h2)
h2 (mm)
Test No.
kr (mm/s) k20 (mm/s)
h1 (mm)
1
1,200
550
122
1,200
1,200
400
173
3
250
244
Average
Show calcuiation on how to determine the average coefficient of permeability of the soil sample
at 20°C.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9cbc4d54-1dee-429a-a926-edae10ca9698%2F936d853b-edd1-470a-a8f8-7f345bb38271%2F8d92kr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Complete the Falling Head Permeability Test Data.
Length of Specimen (L): 127 mm
Area of Specimen (A): 7,854 mm?
Area of stand pipe (a): 113 mm2
Specific Gravity of soil (Gs): 2.65
Temperature of water: 30 °C
Initial head,
Initial head, Time, t (seconds) Log10(h1/ h2)
h2 (mm)
Test No.
kr (mm/s) k20 (mm/s)
h1 (mm)
1
1,200
550
122
1,200
1,200
400
173
3
250
244
Average
Show calcuiation on how to determine the average coefficient of permeability of the soil sample
at 20°C.
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