Q- What will be the time required (in minute) in falling the head from 45 cm to 30 cm in a variable head permeability test, if the coefficient of permeability of the soil is known to be 6.89 x 106 m/sec. The length and cross-sectional area of the soil sample is 60 cm and 210 cm² respectively. The area of stand pipe is 6.5 cm².

Q- What will be the time required (in minute) in falling the head from 45 cm to 30 cm in a variable head permeability test, if the coefficient of permeability of the soil is known to be 6.89 x 106 m/sec. The length and cross-sectional area of the soil sample is 60 cm and 210 cm² respectively. The area of stand pipe is 6.5 cm².

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Determine the coefficient of permeability of the soil. For a falling- head permeability test, the following are given: re Length of the specimen = 115.5 mm Diameter of soil specimen =104.7 mm Diameter of the stand pipe = 15 mm Head difference at time t=0 is 1360 mr Head difference at timet=78600 sec is 820 mm
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