the water level above ground was 1 m. The coefficient of permeability of the sand is 2x that of the mixture of clays, silts and sands. a. Calculate the pore water pressure at the center of the sand plug in kPa.Calculate the pore water pressure at the center of the mixture of clays, silts and sands in kPa. Find the average hydraulic conductivity in the sand. Find the average hydrauli

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter8: Landfills
Section: Chapter Questions
Problem 8.9P
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A drainage pipe became completely blocked during/ a storm by a plug of sand, 1.5 m long, followed by another plug of a mixture of clays, silts and sands, 0.5m long, as shown in the attached figure. When the storm was over, the water level above ground was 1 m. The coefficient of permeability of the sand is 2x that of the mixture of clays, silts and sands. a. Calculate the pore water pressure at the center of the sand plug in kPa.Calculate the pore water pressure at the center of the mixture of clays, silts and sands in kPa. Find the average hydraulic conductivity in the sand. Find the average hydraulic conductivity in the mixture of clays, silts and sands

Brick wall
Grate
Clay soil
Downpipe
2.0m
,Drain pipe
0.3 mE
8-Datum Y
- 1.5 m-
Sand
MIuture of silts, clays
and sands
Transcribed Image Text:Brick wall Grate Clay soil Downpipe 2.0m ,Drain pipe 0.3 mE 8-Datum Y - 1.5 m- Sand MIuture of silts, clays and sands
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