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

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 19P

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