Q4 Table Q4 shows the details of the storm hydrograph with the corresponding direct discharge. The given time interval is 3 hours between the readings. Table Q4 Time (hr) Excess rainfall (mm) Direct discharge (m³/s) 70 3 11 6 28 230 9 30 600 12 1400 15 2380 18 3300 21 4880 24 6320 27 3305 30 350 33 300 36 100 By using the convolution method, determine the unit hydrograph ordinates. Illustrate the unit hydrograph. (a) (b)

Structural Analysis
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Chapter2: Loads On Structures
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Table Q4 shows the details of the storm hydrograph with the corresponding direct
discharge. The given time interval is 3 hours between the readings.
Q4
Table Q4
Excess rainfall (mm)
11
Time (hr)
Direct discharge (m³/s)
3
70
28
230
9.
30
600
12
1400
15
2380
18
3300
21
4880
24
6320
27
3305
30
350
33
300
36
100
By using the convolution method, determine the unit hydrograph
ordinates.
(a)
(b)
Illustrate the unit hydrograph.
Transcribed Image Text:Table Q4 shows the details of the storm hydrograph with the corresponding direct discharge. The given time interval is 3 hours between the readings. Q4 Table Q4 Excess rainfall (mm) 11 Time (hr) Direct discharge (m³/s) 3 70 28 230 9. 30 600 12 1400 15 2380 18 3300 21 4880 24 6320 27 3305 30 350 33 300 36 100 By using the convolution method, determine the unit hydrograph ordinates. (a) (b) Illustrate the unit hydrograph.
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