Q2/ The ordinates of a 3-hour UH are given in the following table: Time (hour) 3 9. 12 15 18 21 24 27 30 10 30 80 60 50 40 30 10 hour UH (m'/s) (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 m²/s and increase to reach 2 m'/s at time of 30h. (d) Estimate the total runoff volume
Q2/ The ordinates of a 3-hour UH are given in the following table: Time (hour) 3 9. 12 15 18 21 24 27 30 10 30 80 60 50 40 30 10 hour UH (m'/s) (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 m²/s and increase to reach 2 m'/s at time of 30h. (d) Estimate the total runoff volume
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Q2/ The ordinates of a 3-hour UH are given in the following table:
Time
3
9
12
15
18
21
24
27
30
(hour)
10
30
80
60
50
40
30
10
hour
UH
(m³ls)
(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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F79690ecd-a21e-4bbd-8fb2-a535da0e44ee%2Fe8919c49-df11-432f-ac0b-19ddfe96779f%2F286sbnh_processed.png&w=3840&q=75)
Transcribed Image Text:Q2/ The ordinates of a 3-hour UH are given in the following table:
Time
3
9
12
15
18
21
24
27
30
(hour)
10
30
80
60
50
40
30
10
hour
UH
(m³ls)
(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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