Using the given 6-h unit hydrograph derive the flood hydrograph due to the storm given below. UH:
Using the given 6-h unit hydrograph derive the flood hydrograph due to the storm given below. UH:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Example -2
Using the given 6-h unit hydrograph derive the flood hydrograph due to the storm given
below,
UH:
Time (h)
6-h UH
ordinates (m³/s) 0 20 60 150 120 90 66
Storm:
0 6 12 18 24 30 36 42 48 54 60 66
Time from beginning of the storm (h) 0
Accumulated rainfall (cm)
0
50 32 20 10 0
6 12 18
4 5 10
The index for the storm can be assumed to be 0.167 cm/h. Assume the base flow to be
20 m³/s constant throughout.
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