Problem 2 A watershed having an area of 28 km² records the following rainfall data. Time Rainfall Time Rainfall (mins) 30 (mm) 0.6 (mins) (mm) 3.4 150 180 210 60 1.1 2.2 90 1.7 1.3 120 2.5 240 0.2 Determine the infiltration rate (in mm/hr) using the o-index method if the runoff volume was found to be 224,000 m³.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Problem 2
A watershed having an area of 28 km² records the following rainfall data.
Time
Rainfall
Time
Rainfall
(mm)
0.6
(mins)
150
180
210
(mins)
30
(mm)
3.4
60
1.1
2.2
90
1.7
1.3
120
2.5
240
0.2
Determine the infiltration rate (in mm/hr) using the o-index method if the runoff volume was found
to be 224,000 m³.
Transcribed Image Text:Problem 2 A watershed having an area of 28 km² records the following rainfall data. Time Rainfall Time Rainfall (mm) 0.6 (mins) 150 180 210 (mins) 30 (mm) 3.4 60 1.1 2.2 90 1.7 1.3 120 2.5 240 0.2 Determine the infiltration rate (in mm/hr) using the o-index method if the runoff volume was found to be 224,000 m³.
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