5. A permeameter of 8 cm diameter contains a sample of length 35 cm. Attachments are made it to enable conducting either constant head test or falling head test. The stand pipe used for conducting falling head test has a diameter of 2.5 cm. When constant head test was conducted the loss of head was 100 cm measured on a length of 25 cm. If the rate of flow was 2.7 cc/sec, calculate the coefficient of permeability of soil. If a falling head test is conducted on the same sample in the permeameter find the time taken for head to fall from 150 cm to 100 cm.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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5. A permeameter of 8 cm diameter contains a sample of length 35 cm. Attachments are made
it to enable conducting either constant head test or falling head test. The stand pipe used for
conducting falling head test has a diameter of 2.5 cm. When constant head test was conducted
the loss of head was 100 cm measured on a length of 25 cm. If the rate of flow was 2.7 cc/sec,
calculate the coefficient of permeability of soil. If a falling head test is conducted on the same
sample in the permeameter find the time taken for head to fall from 150 cm to 100 cm.
Transcribed Image Text:5. A permeameter of 8 cm diameter contains a sample of length 35 cm. Attachments are made it to enable conducting either constant head test or falling head test. The stand pipe used for conducting falling head test has a diameter of 2.5 cm. When constant head test was conducted the loss of head was 100 cm measured on a length of 25 cm. If the rate of flow was 2.7 cc/sec, calculate the coefficient of permeability of soil. If a falling head test is conducted on the same sample in the permeameter find the time taken for head to fall from 150 cm to 100 cm.
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