Q) The ordinates of a 3-hour UH are given in the following table: Time (Hours) 3 12 15 18 21 24 27 30 3-hour UH (m³/s) 10 30 80 60 50 40 30 10 2 (a) Estimate the area of the basin. (b) Determine the DRH ordinates due to two ER of 2 cm and 3 cm occurring in two successive 3-hour durations each. (c) Estimate the flood hydrograph ordinates if the base flow at time 0 h is 10 m³/s and increase to reach 20 m³/s at time of 30h. (d) Estimate the total runoff volume

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Q) The ordinates of a 3-hour UH are given in the following table:
Time (Hours)
3
6.
9
15
18
21
24
27
30
3-hour UH (m³/s)
10
30
50
40
30
10
2
(a) Estimate the area of the basin.
(b) Determine the DRH ordinates due to two ER of 2 cm and 3 cm occurring in two successive 3-hour durations
each.
(c) Estimate the flood hydrograph ordinates if the base flow at time 0 h is 10 m³/s and increase to reach 20
m/s at time of 30h.
(d) Estimate the total runoff volume
Transcribed Image Text:Q) The ordinates of a 3-hour UH are given in the following table: Time (Hours) 3 6. 9 15 18 21 24 27 30 3-hour UH (m³/s) 10 30 50 40 30 10 2 (a) Estimate the area of the basin. (b) Determine the DRH ordinates due to two ER of 2 cm and 3 cm occurring in two successive 3-hour durations each. (c) Estimate the flood hydrograph ordinates if the base flow at time 0 h is 10 m³/s and increase to reach 20 m/s at time of 30h. (d) Estimate the total runoff volume
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