Problem 9.4: An 20 mm of average particle diameter. Taking, n-0.02, So-0.0015, z=2, and will be designed in slightly rounded coarse gravel F1000 kgf/m, l determine whether or not a discharge of 5 m'/s will cause scour in this canal if b=1.8 m. b) if scour occurs in part a when b=1.8 m, determine the required value of b which can be safely taken to carry Q=5 m³/s.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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with 20 mm of average particle diameter. Taking, n=0.02, So=0.0015, z=2, and
Problem 9.4: An unlined canal will be designed in slightly rounded coarse gravel
20 mm of average particle diameter. Taking, n=0.02, So=0.0015, z=2, and
3
F1000 kgf/m²,
al determine whether or not a discharge of 5 m²/s will cause scour in this canal if
=1.8 m.
h) if scour occurs in part a when b=1.8 m, determine the required value of b
which can be safely taken to carry Q=5 m³/s.
Answer: a) scour occurs
b) b=3.7 m.
Transcribed Image Text:with 20 mm of average particle diameter. Taking, n=0.02, So=0.0015, z=2, and Problem 9.4: An unlined canal will be designed in slightly rounded coarse gravel 20 mm of average particle diameter. Taking, n=0.02, So=0.0015, z=2, and 3 F1000 kgf/m², al determine whether or not a discharge of 5 m²/s will cause scour in this canal if =1.8 m. h) if scour occurs in part a when b=1.8 m, determine the required value of b which can be safely taken to carry Q=5 m³/s. Answer: a) scour occurs b) b=3.7 m.
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