Question 2. A 4-hour UH (GH) has the values shown below. Determine the runoff from a design downpour that will consist of the determined net precipitations: 20 mm/hr net precipitation for 2 hours, no precipitation for the next 2 hours, then 10 mm/hr precipitation for 2 hours. Assume that the groundwater base flow is a constant 3 m3/s during the design downpour time (hour) UH4 (m³/s) 0 0 2 2.35 7.00 6 9.75 8 7.50 10 4.20 12 1.80 14 0

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Question 2. A 4-hour UH (GH) has the values shown below. Determine
the runoff from a design downpour that will consist of the determined
net precipitations: 20 mm/hr net precipitation for 2 hours, no
precipitation for the next 2 hours, then 10 mm/hr precipitation for 2
hours. Assume that the groundwater base flow is a constant 3 m3/s
during the design downpour
time
(hour)
UH4
(m³/s)
0
0
2
2.35
4
7.00
6
9.75
8
7.50
10
4.20
12
1.80
14
0
Transcribed Image Text:Question 2. A 4-hour UH (GH) has the values shown below. Determine the runoff from a design downpour that will consist of the determined net precipitations: 20 mm/hr net precipitation for 2 hours, no precipitation for the next 2 hours, then 10 mm/hr precipitation for 2 hours. Assume that the groundwater base flow is a constant 3 m3/s during the design downpour time (hour) UH4 (m³/s) 0 0 2 2.35 4 7.00 6 9.75 8 7.50 10 4.20 12 1.80 14 0
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