A rectangular box culvert, 5 ft wide by 4 ft tall, with 90° headwall with 33.7° bevels, will be used to carry a flow of 180 cfs. The culvert is 150 ft long with a natural slope of 1.5%. The tailwater depth is 3.0 ft above the outlet invert. The streambed elevation at the culvert inlet is 205.0 ft, which also aligns with the upstream culvert inlet. The maximum allowable headwater elevation is 212.0 ft. Determine Whether the headwater condition is met at this design flow rate.
A rectangular box culvert, 5 ft wide by 4 ft tall, with 90° headwall with 33.7° bevels, will be used to carry a flow of 180 cfs. The culvert is 150 ft long with a natural slope of 1.5%. The tailwater depth is 3.0 ft above the outlet invert. The streambed elevation at the culvert inlet is 205.0 ft, which also aligns with the upstream culvert inlet. The maximum allowable headwater elevation is 212.0 ft. Determine Whether the headwater condition is met at this design flow rate.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A rectangular box culvert, 5 ft wide by 4 ft tall, with 90° headwall with 33.7° bevels, will be used to carry a flow of 180 cfs. The culvert is 150 ft long with a natural slope of 1.5%. The tailwater depth is 3.0 ft above the outlet invert. The streambed elevation at the culvert inlet is 205.0 ft, which also aligns with the upstream culvert inlet. The maximum allowable headwater elevation is 212.0 ft.
Determine
- Whether the headwater condition is met at this design flow rate.
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