A spillway is to be designed for a flood control reservoir. The design must pass the 200 year event of 50,000 cfs while not allowing the upstream water elevation to exceed 800 ft. The channel can be approximated by rectangular section 500 ft wide. a. What should be the elevation of the spillway crest in order to meet the design specification?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A spillway is to be designed for a flood control reservoir. The design must
pass the 200 year event of 50,000 cfs while not allowing the upstream
water elevation to exceed 800 ft. The channel can be approximated by
rectangular section 500 ft wide.
a. What should be the elevation of the spillway crest in order to meet the
design specification?
b. What would be the elevation of the theoretical weir crest associated with
the spillway?
Transcribed Image Text:A spillway is to be designed for a flood control reservoir. The design must pass the 200 year event of 50,000 cfs while not allowing the upstream water elevation to exceed 800 ft. The channel can be approximated by rectangular section 500 ft wide. a. What should be the elevation of the spillway crest in order to meet the design specification? b. What would be the elevation of the theoretical weir crest associated with the spillway?
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