A falling head permeability test was run on a soil sample 9.6cm in diameter and 10cm long. The head at the start of the test was 90cm. The coefficient of permeability of the soil was found to be 5(10)- cm/s. The diameter of the stand pipe was 1cm. a) Determine the flow at the start of the test in cm³/ hr. b) How much head was lost during the first 30min? c) Determine the flow after 30 minutes in cm³/hr.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A falling head permeability test was run on a soil sample 9.6cm in diameter and 10cm
long. The head at the start of the test was 90cm. The coefficient of permeability of the soil
was found to be 5(10)-- cm/s. The diameter of the stand pipe was 1cm.
a) Determine the flow at the start of the test in cm³/ hr.
b) How much head was lost during the first 30min?
c) Determine the flow after 30 minutes in cm³/hr.
Transcribed Image Text:A falling head permeability test was run on a soil sample 9.6cm in diameter and 10cm long. The head at the start of the test was 90cm. The coefficient of permeability of the soil was found to be 5(10)-- cm/s. The diameter of the stand pipe was 1cm. a) Determine the flow at the start of the test in cm³/ hr. b) How much head was lost during the first 30min? c) Determine the flow after 30 minutes in cm³/hr.
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