A falling head permeability test was run on a soil sample 9.60 cm in diameter and 10 cm long. The head at the start was 90 cm. The coefficient of permeability of the soil was found to be 5 x 10-6 cm/s. The diameter of the standpipe was 1 cm. What is the rate of flow after 30 minutes? Select the correct response: 10.79 cm/hr 11.04 cm/hr 9.10 cm3/hr 6.46 cm3/hr

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
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A falling head permeability test was run on a soil sample 9.60 cm in diameter and 10 cm long. The head at the start was 90 cm. The coefficient of
permeability of the soil was found to be 5 x 10-6 cm/s. The diameter of the standpipe was 1 cm.
What is the rate of flow after 30 minutes?
Select the correct response:
10.79 cm/hr
11.04 cm/hr
9.10 cm3/hr
6.46 cm3/hr
Transcribed Image Text:A falling head permeability test was run on a soil sample 9.60 cm in diameter and 10 cm long. The head at the start was 90 cm. The coefficient of permeability of the soil was found to be 5 x 10-6 cm/s. The diameter of the standpipe was 1 cm. What is the rate of flow after 30 minutes? Select the correct response: 10.79 cm/hr 11.04 cm/hr 9.10 cm3/hr 6.46 cm3/hr
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