A falling head permeability test was performed on a sand sample and the following data were recorded: Cross-sectional area of permeameter = 100 cm²; length of the soil sample = 15 cm; area of the stand pipe 1 cm2, time taken for the head to fall from 150 cm to 50 cm = 8 min, temperature of water = 25°C; dry mass of the soil specimen = 2.2 kg and its Gg = 2.68. Compute the coefficient of permeability of the soil for a void ratio of 0.70 and standard (2 x 10 cm/s) temperature of 20°C.
A falling head permeability test was performed on a sand sample and the following data were recorded: Cross-sectional area of permeameter = 100 cm²; length of the soil sample = 15 cm; area of the stand pipe 1 cm2, time taken for the head to fall from 150 cm to 50 cm = 8 min, temperature of water = 25°C; dry mass of the soil specimen = 2.2 kg and its Gg = 2.68. Compute the coefficient of permeability of the soil for a void ratio of 0.70 and standard (2 x 10 cm/s) temperature of 20°C.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:9. A falling head permeability test was performed on a sand sample and the following data
were recorded:
=
Cross-sectional area of permeameter = 100 cm2; length of the soil sample 15 cm; area of
the stand pipe
8 min,
= 1 cm2, time taken for the head to fall from 150 cm to 50 cm =
temperature of water = 25°C; dry mass of the soil specimen 2.2 kg and its Gg = 2.68.
Compute the coefficient of permeability of the soil for a void ratio of 0.70 and standard
temperature of 20°C.
(2 x 10 cm/s)
=
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