FLOOD02273

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Basin: Statewide
• Title: Hydraulic Design of Energy Dissipators for Culverts and Channels
• Date: 12/1/1975
• Prepared For: USDOT
• Prepared By: Federal Highway Administration
• Floodplain - Doc Type: Educational/Technical/Reference Information

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Hydraulic Design of Energy Dissipators
for Culverts and Channels

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Hydraulic Engineering Circular No, 14

December 1975

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Prepared by the Hydraulics Branch, Bridge Division, Office of Engineering, in
collaboration with the Demonstration Projects Division, Region '5,
Federal Highway Administration, Washington, D.C. 20590

CHAPTER

CONTENTS PAGE
Design Concept 1-1
Erosion Hazards II-A-l
Culvert Outlet Velocity 111-1
Flow Transitions IV-'
Outlet Scour Computation V-l
Hydraulic Jump VI-l
Forced Hydraulic Jump Basins VII-A.l
I mpact Basins VIII.A.1
Drop Structures IX-l
Stilling Wells X-A-'
Riprap Basins XI-'
Design Selection XII-'

II

III

IV

V

VI

VII

VIII

c
,

IX

X

XI

XII

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Reprinted December 1978
U. S. DEPARTMENT OF TRANSPORTATION
FEDERAL HIGHWAY ADMINISTRATION

4350.200