Design a box culvert to carry a design discharge of 600 cfs. The culvert invert elevation is 2100 feet, and the allowable headwater elevation is 2114 feet. The paved roadway is 500 feet long and overtops at an elevation of 2115 feet. The culvert length is 200 feet with a slope of 1%. The following tailwater elevations apply up to the maximum discharge of 1000 cfs: Discharge (cfs) 200.00 400.00 600.00 800.00 1000.0 Tailwater, ft 2101.4 2102.6 2103.1 2103.8 2104.1 Prepare a performance curve of the culvert design by hand and compare with the results of HY8.
Design a box culvert to carry a design discharge of 600 cfs. The culvert invert elevation is 2100 feet, and the allowable headwater elevation is 2114 feet. The paved roadway is 500 feet long and overtops at an elevation of 2115 feet. The culvert length is 200 feet with a slope of 1%. The following tailwater elevations apply up to the maximum discharge of 1000 cfs:
Discharge (cfs) 200.00 400.00 600.00 800.00 1000.0
Tailwater, ft 2101.4 2102.6 2103.1 2103.8 2104.1
Prepare a performance curve of the culvert design by hand and compare with the results of HY8. Also, use HY8 to prepare a performance curve if the slope is 0.5%.
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