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Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m 0.61 m -1.22 m

Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m 0.61 m -1.22 m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Calculate the minimum slope on which the channel shown in figure
below must be laid if it is to carry 1.416 m3/s of water with a depth of
0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete.

Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m- 0.61 m 1.22 m
Transcribed Image Text:Calculate the minimum slope on which the channel shown in figure below must be laid if it is to carry 1.416 m3/s of water with a depth of 0.61 m. The sides and bottom of the channel are made of formed, unfinished concrete. -2.44 m- 0.61 m 1.22 m
Typical design values of roughness coefficient (n) for artificial channels and natural streams Channel Description n |Glass, copper, plastic, or other smooth surfaces Smooth, unpainted steel, planed wood 0.010 0.012 Painted steel or coated cast iron 0.013 Smooth asphalt, common clay drainage tile, trowel-finished concrete, glazed brick Uncoated cast iron, black wrought iron pipe, vitrified clay sewer tile Brick in cement mortar, float-finished concrete, concrete pipe Formed, unfinished concrete, spiral steel pipe 0.013 0.014 0.015 0.017 Smooth earth 0.018 Clean excavated earth 0.022 Corrugated metal storm drain Natural channel with stones and weeds Natural channel with light brush Natural channel with tall grasses and reeds 0.024 0.030 0.050 0.060 Natural channel with heavy brush 0.100
Transcribed Image Text:Typical design values of roughness coefficient (n) for artificial channels and natural streams Channel Description n |Glass, copper, plastic, or other smooth surfaces Smooth, unpainted steel, planed wood 0.010 0.012 Painted steel or coated cast iron 0.013 Smooth asphalt, common clay drainage tile, trowel-finished concrete, glazed brick Uncoated cast iron, black wrought iron pipe, vitrified clay sewer tile Brick in cement mortar, float-finished concrete, concrete pipe Formed, unfinished concrete, spiral steel pipe 0.013 0.014 0.015 0.017 Smooth earth 0.018 Clean excavated earth 0.022 Corrugated metal storm drain Natural channel with stones and weeds Natural channel with light brush Natural channel with tall grasses and reeds 0.024 0.030 0.050 0.060 Natural channel with heavy brush 0.100
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