ydrograph resulting from a 5c= ea of the catchment and the ordin 6 12 18 24 30 25 175 320 360 31 ment -773.28km² H at 6hr intervals are (0,5,35,64,

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Question
6.4. The direct runoff hydrograph resulting from a 5cm of effective rainfall of 6hr duration is given
below. Determine the area of the catchment and the ordinates of the 6hr UH.
Time (hr)
6
12 18 24 30 36 42 48 54 60 66
72
Direct runoff 0
25
175 320
360
310
230
165
105
60 30
10
0
(m³/s)
Ans. Area of the catchment =773.28km²
The ordinates of 6hr UH at 6hr intervals are (0,5,35,64,72,62,46,33,21,12,6,2,0)
Transcribed Image Text:6.4. The direct runoff hydrograph resulting from a 5cm of effective rainfall of 6hr duration is given below. Determine the area of the catchment and the ordinates of the 6hr UH. Time (hr) 6 12 18 24 30 36 42 48 54 60 66 72 Direct runoff 0 25 175 320 360 310 230 165 105 60 30 10 0 (m³/s) Ans. Area of the catchment =773.28km² The ordinates of 6hr UH at 6hr intervals are (0,5,35,64,72,62,46,33,21,12,6,2,0)
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