A drainage networks of pipes need to be installed for irrigated area has impermeable layer at depth of (7.2m) the pipe placed between two types of soil, the above layer has thickness of 2m and hydraulic connectivity of (0.7 m/d) and (0.66 m/d) for the second layer. The irrigation is once every 15 days and recharge the groundwater with (30 mm).
A drainage networks of pipes need to be installed for irrigated area has impermeable layer at depth of (7.2m) the pipe placed between two types of soil, the above layer has thickness of 2m and hydraulic connectivity of (0.7 m/d) and (0.66 m/d) for the second layer. The irrigation is once every 15 days and recharge the groundwater with (30 mm).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![docs.google.com/forms/d/e
YE
Q1*
A drainage networks of pipes need to be installed
for irigated area has impermeable layer at depth
of (7.2m) the pipe placed between two types of
soil, the above layer has thickness of 2m and
hydraulic connectivity of (0.7 m/d) and (0.66
m/d) for the second layer. The irrigation is once
every 15 days and recharge the groundwater with
(30 mm).
1- Find the best spacing length for the pipe to
keep the groundwater level with average of
(0.9 m) below the surface. (note: - use pipe
radius r-0.1).
2- Estimate the spacing length if the
impermeable under the drain pipe directly.
1 Add file
Q2 *
A field irrigated by 25 sprinklers distributed over
and area of 100 ha each sprinkler deliver 350
m/hour over a period of 8 hours. Estimate the
water application efficiency when 55% of
available moisture
FC-20%, PWPD
1390 kg/m).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F59654e1e-62ea-49e7-a283-bdbd1d8c5496%2F7c1f5416-d5d6-441f-b083-8aa91a7141c1%2Fuafb7mi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:docs.google.com/forms/d/e
YE
Q1*
A drainage networks of pipes need to be installed
for irigated area has impermeable layer at depth
of (7.2m) the pipe placed between two types of
soil, the above layer has thickness of 2m and
hydraulic connectivity of (0.7 m/d) and (0.66
m/d) for the second layer. The irrigation is once
every 15 days and recharge the groundwater with
(30 mm).
1- Find the best spacing length for the pipe to
keep the groundwater level with average of
(0.9 m) below the surface. (note: - use pipe
radius r-0.1).
2- Estimate the spacing length if the
impermeable under the drain pipe directly.
1 Add file
Q2 *
A field irrigated by 25 sprinklers distributed over
and area of 100 ha each sprinkler deliver 350
m/hour over a period of 8 hours. Estimate the
water application efficiency when 55% of
available moisture
FC-20%, PWPD
1390 kg/m).
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