Route the inflow hydrograph given below through a reservoir. The storage data (surface elevation versus storage volume) for the reservoir are also given below. The spillway discharge is expressed by the equation (Q= 3 LH32). The crest height of the spillway is 50 ft. and the length of the spillway is 35 ft. Inflow Hydrograph: Time (days) Inflow (ft/s) 0 70 185 360 480 300 165 80 0 00.5 1 1.5 2 2.5 3.0 3.5 4.0 Storage Data: Elevation (ft.) Storage (acre-ft.) 50.0 50.5 51.0 51.5 52.0 52.5 53.0 53.5 231 247 277 313 353 400 452 509
Route the inflow hydrograph given below through a reservoir. The storage data (surface elevation versus storage volume) for the reservoir are also given below. The spillway discharge is expressed by the equation (Q= 3 LH32). The crest height of the spillway is 50 ft. and the length of the spillway is 35 ft. Inflow Hydrograph: Time (days) Inflow (ft/s) 0 70 185 360 480 300 165 80 0 00.5 1 1.5 2 2.5 3.0 3.5 4.0 Storage Data: Elevation (ft.) Storage (acre-ft.) 50.0 50.5 51.0 51.5 52.0 52.5 53.0 53.5 231 247 277 313 353 400 452 509
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(a) Route the inflow hydrograph given below through a reservoir. The storage data (surface elevation versus storage
volume) for the reservoir are also given below. The spillway discharge is expressed by the equation (Q = 3 LH2). The
crest height of the spillway is 50 ft. and the length of the spillway is 35 ft.
Inflow Hydrograph:
Time (days)
Inflow (ft/s) 0 70 185 360
0 0.5 1
1.5
|2 2.5 3.0 3.5 4.0
480 300 165 80 0
Storage Data:
Elevation (ft.)
Storage (acre-ft.)
50.0 50.5 51.0 51.5 52.0 52.5 53.0 53.5
231 247 277 313 353 400
452
509
(b) A simple reservoir has a linear storage indication curve defined by Q/2 =S/At, where At 1.0 hr. If S at 8 A.M. is zero
f/s-hr, use the continuity equation to route the following hydrograph through the reservoir.
Time (hr)
Inflow (ft'/s)
8 A. M.
10 A. M.
80
11 A. M.
1 P.M.
9 А. М.
12 Noon
40
65
110
120
170
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