The figure shown is a dewatering plan to build the foundations of an office building below the water table without the sheet-piling. Assume that all b = 6 meters and all 1 = 4 meters in all grids of the middle flow channel. Dewatering wells Marshy soils Ah =m Excavated site OL Ah = 2m %3! Ah = 2m Ah = 2m Lowered WT %3! a. What is the value of n? b. How many flow channels are in the figure? c. How many potential drops are in the figure? d. The potential drop at area 1 is: e. The potential drop at area 2 is: f. The potential drop at area 3 is: g. The average hydraulic gradient in each net is:
The figure shown is a dewatering plan to build the foundations of an office building below the water table without the sheet-piling. Assume that all b = 6 meters and all 1 = 4 meters in all grids of the middle flow channel. Dewatering wells Marshy soils Ah =m Excavated site OL Ah = 2m %3! Ah = 2m Ah = 2m Lowered WT %3! a. What is the value of n? b. How many flow channels are in the figure? c. How many potential drops are in the figure? d. The potential drop at area 1 is: e. The potential drop at area 2 is: f. The potential drop at area 3 is: g. The average hydraulic gradient in each net is:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The figure shown is a dewatering plan to build the foundations of an office building below
the water table without the sheet-piling. Assume that all b = 6 meters and all 1 = 4 meters in
all grids of the middle flow channel.
Dewatering wells
Marshy soils
Ah =m
Excavated site
OL
Ah = 2m
Ah = 2m
Ah = 2m
Lowered WT
a. What is the value of n?
b. How many flow channels are in the figure?
c. How many potential drops are in the figure?
d. The potential drop at area 1 is:
e. The potential drop at area 2 is:
f. The potential drop at area 3 is:
g. The average hydraulic gradient in each net is:
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