FLOOD07098

• County: Statewide
• Community: State of Colorado
• Basin: Statewide
• Title: Hydraulic Design of Energy Dissipators for Culverts and Channels
• Date: 12/1/1975
• Prepared By: Hydraulics Branch, Federal Highway Adminstration
• Floodplain - Doc Type: Educational/Technical/Reference Information

Design of Subcritical Flow Transitions .

IV-6

B. culverts in Inlet Control

IV-IS

Supercritical Flow Contraction

.

IV-IS

Supercritical Flow Expansion .

IV-25

V. Estimating Erosion of Culvert Outlets. . . . .. V-I

VI. Hydraulic Jump . . . . . . . . . . . . VI-I
A. Nature of the Hydraulic Jump . . . . . . VI-I
B. Hydraulic Jump Expressions . . . . . . . . VI-4
Horizontal Channels . . . . . VI-4
Sloping Channels . . . . . VI-12
C. Jump Efficiency . . VI-16

VII. Forced Hydraulic Jump and Increased Resistance

A. Colorado State University (CSU) Rigid
Boundary Basin . . . . . . . . . . . . . . . VII-A-I
B. Tumbling Flow in Culverts . VII-B-I
C. Increased Culvert Resistance . . . . . VII-C-I
D. U.S. Bureau of Reclamation (USBR) Type II VII-D-I
E. USBR Type III . . . . VII-E-I
F. USBR Type IV . . . . . . . . VII-F-I
G. St. Anthony Falls (SAF) Basin . . . . VII-G-I

VIII. Impact Basins

A. Contra Costa

.

. . .

. .

VIII-A-I

B.

Hook

. . .

.

.

. . . .

VIII-B-I

C. USBR Type VI

. .

.

.

. . . .

.

VIII-C-I

Hi