For a 2 hour, 8 mm/h intensity rainfall, the hydrograph given in Table is observed. The area of watershed is 500 km² Table: Propeller readings Time flow rate (m³/s) 0 8 2 14 4 18 6 30 45 8 24 10 12 14 16 18 38 28 24. 18 14 10 22 20 8 8
For a 2 hour, 8 mm/h intensity rainfall, the hydrograph given in Table is observed. The area of watershed is 500 km² Table: Propeller readings Time flow rate (m³/s) 0 8 2 14 4 18 6 30 45 8 24 10 12 14 16 18 38 28 24. 18 14 10 22 20 8 8
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter16: Highway Drainage
Section: Chapter Questions
Problem 4P
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Transcribed Image Text:3. For a 2 hour, 8 mm/h intensity rainfall, the hydrograph given in Table is observed. The
area of watershed is 500 km²
Table: Propeller readings
Time
0
2
flow rate
(m³/s)
8 14
4
18
6
30
8
45
10 12 14 16 18 20 22
38 28 24. 18. 14 10
c) Obtain the hydrograph of a rainfall with 4 hour duration and
10 mm/h intensity.
24
8 8
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