1. Calculate the normal depth in a concrete trapezoidal channel with side slope of 1 to 3, a bed slope of 0.00033, a bottom width of 4.0 m and a water discharge of 39 m/s. Manning coefficient is 0.013. y 1 3. 4m
1. Calculate the normal depth in a concrete trapezoidal channel with side slope of 1 to 3, a bed slope of 0.00033, a bottom width of 4.0 m and a water discharge of 39 m/s. Manning coefficient is 0.013. y 1 3. 4m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![11:01
Home work 1a.docx
Home work 1
1. Calculate the normal depth in a concrete trapezoidal channel with side
slope of 1 to 3, a bed slope of 0.00033, a bottom width of 4.0 m and a
water discharge of 39 m/s. Manning coefficient is 0.013.
1
4m
Example
The cross section of the river in flood stage has the dimensions shown below:
-30.5 m
30.5 m
1.52 m
1.52 m
Estimate the total discharge if Manning's n= 0.05 for the overbank, and 0.03 for the main channel,
and the channel slope is 0.00167. Also, what is the mean velocity for each section?
II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69c39071-abcb-4d83-8f28-9002cc03b4cc%2F98dd6414-6c9f-4b0a-8f9d-fc77687510e1%2Fa86opq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11:01
Home work 1a.docx
Home work 1
1. Calculate the normal depth in a concrete trapezoidal channel with side
slope of 1 to 3, a bed slope of 0.00033, a bottom width of 4.0 m and a
water discharge of 39 m/s. Manning coefficient is 0.013.
1
4m
Example
The cross section of the river in flood stage has the dimensions shown below:
-30.5 m
30.5 m
1.52 m
1.52 m
Estimate the total discharge if Manning's n= 0.05 for the overbank, and 0.03 for the main channel,
and the channel slope is 0.00167. Also, what is the mean velocity for each section?
II
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