8.1 The storage, elevation and outflow data of a reservoir are given below: Storage 10 m² Outflow discharge (m³/s) Elevation (m) 299.50 300.20 300.70 301.20 301.70 302.20 302.70 4.8 5.5 6.0 6.6 7.2 7.9 8.8 0 0 15 40 75 115 160 The spillway crest is at elevation 300.20 m. The following flood flow is expected into the reservoir. 0 3 Time (h) 6 9 12 15 Discharge (m³/s) 10 20 52 60 53 43 18 21 24 27 32 22 16 10 If the reservoir surface is at elevation 300.00 m at the commencement of the inflow, route the flood to obtain (a) the outflow hydrograph and (b) the reservoir elevation vs time curve.

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Chapter2: Loads On Structures
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8.1 The storage, elevation and outflow data of a reservoir are given below:
Outflow
discharge (m³/s)
Elevation
(m)
299.50
300.20
300.70
301.20
301.70
302.20
302.70
Storage
10 m²
4.8
5.5
6.0
6.6
7.2
7.9
8.8
0
0
15
Time (h)
0 3 6 9 12
Discharge (m/s) 10 20 52 60 53
40
75
115
160
The spillway crest is at elevation 300.20 m. The following flood flow is expected into
the reservoir.
15 18 21 24 27
43 32 22 16 10
If the reservoir surface is at elevation 300.00 m at the commencement of the inflow.
route the flood to obtain (a) the outflow hydrograph and (b) the reservoir elevation vs
time curve.
8.2 Solve Prob. 8.1 if the reservoir elevation at the start of the inflow hydrograph is at
301.50 m.
Transcribed Image Text:8.1 The storage, elevation and outflow data of a reservoir are given below: Outflow discharge (m³/s) Elevation (m) 299.50 300.20 300.70 301.20 301.70 302.20 302.70 Storage 10 m² 4.8 5.5 6.0 6.6 7.2 7.9 8.8 0 0 15 Time (h) 0 3 6 9 12 Discharge (m/s) 10 20 52 60 53 40 75 115 160 The spillway crest is at elevation 300.20 m. The following flood flow is expected into the reservoir. 15 18 21 24 27 43 32 22 16 10 If the reservoir surface is at elevation 300.00 m at the commencement of the inflow. route the flood to obtain (a) the outflow hydrograph and (b) the reservoir elevation vs time curve. 8.2 Solve Prob. 8.1 if the reservoir elevation at the start of the inflow hydrograph is at 301.50 m.
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