A drainage pipe beneath a dam has clogged with sand whose coefficient of permeability is found to be 8.0 meters per day. The average difference in headwater and tailwater elevation is 21.6 meters and it has been observed that there is a flow of 162 liters per day through the pipe. The pipe is 96.3 meters long and has a cross-section area of 180 sq. cm. What length of the pipe is filled with sand

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 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...
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A drainage pipe beneath a dam has clogged with sand whose coefficient of
permeability is found to be 8.0 meters per day. The average difference in
headwater and tailwater elevation is 21.6 meters and it has been observed that
there is a flow of 162 liters per day through the pipe. The pipe is 96.3 meters
long and has a cross-section area of 180 sq. cm. What length of the pipe is
filled with sand?

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