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A 5ft x 5ft with a 45?o beveled-edge entrance reinforced concrete box culvert is to be specified for a new roadway crossing to convey a 50-year peak discharge of 300 ??3???ft3sec. The site conditions include: Stream bed elevation at culvert entrance is 100 ft. Natural stream bed slope is 0.02. Tailwater depth is 4.0 ft. Approximate culvert length is 250 ft. Shoulder elevation is 113.5 ft. Allowable headwater elevation is 110ft. Inlet invert is at natural stream elevation (no fall at inlet). Determine: If the culvert is adequate to convey the discharge Produce a performance curve that shows culvert discharge as a function of headwater elevation

A 5ft x 5ft with a 45?o beveled-edge entrance reinforced concrete box culvert is to be specified for a new roadway crossing to convey a 50-year peak discharge of 300 ??3???ft3sec. The site conditions include: Stream bed elevation at culvert entrance is 100 ft. Natural stream bed slope is 0.02. Tailwater depth is 4.0 ft. Approximate culvert length is 250 ft. Shoulder elevation is 113.5 ft. Allowable headwater elevation is 110ft. Inlet invert is at natural stream elevation (no fall at inlet). Determine: If the culvert is adequate to convey the discharge Produce a performance curve that shows culvert discharge as a function of headwater elevation

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 5ft x 5ft with a 45?o beveled-edge entrance reinforced concrete box culvert is to be specified for a new roadway crossing to convey a 50-year peak discharge of 300 ??3???ft3sec. The site conditions include:

  1. Stream bed elevation at culvert entrance is 100 ft.
  2. Natural stream bed slope is 0.02.
  3. Tailwater depth is 4.0 ft.
  4. Approximate culvert length is 250 ft.
  5. Shoulder elevation is 113.5 ft.
  6. Allowable headwater elevation is 110ft.
  7. Inlet invert is at natural stream elevation (no fall at inlet).

Determine:

  • If the culvert is adequate to convey the discharge
  • Produce a performance curve that shows culvert discharge as a function of headwater elevation
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