Hydraulic Design of Energy Dissipators for Culverts and Channels: Hydraulic Engineering Circular Number 14, Third Edition

Thompson, Philip L.; Kilgore, Roger T.; National Highway Institute (U.S.); United States. Federal Highway Administration. Office of Bridge Technology

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Hydraulic Design of Energy Dissipators for Culverts and Channels: Hydraulic Engineering Circular Number 14, Third Edition

2006-07-01
By Thompson, Philip L. ; Kilgore, Roger T.

[PDF-3.57 MB]

English

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Creators:

Thompson, Philip L. ; Kilgore, Roger T.

Thompson, Philip L. ; Kilgore, Roger T. Less -
Corporate Creators:

National Highway Institute (U.S.) ; United States. Federal Highway Administration. Office of Bridge Technology

National Highway Institute (U.S.) ; United States. Federal Highway Administration. Office of Bridge Technology Less -
Contributors:

Nurmi, Cynthia ; Pagan-Ortiz, Jorge E. ; Bergendahl, Bart ; Jones, Sterling ; Hotchkiss, Rollin H.

Nurmi, Cynthia ; Pagan-Ortiz, Jorge E. ; Bergendahl, Bart ; Jones, Sterling ; Hotchkiss, Rollin H. Less -
Corporate Contributors:

Kilgore Consulting and Management
Subject/TRT Terms:

[+]

Channel Channels (Waterways) Culvert Culverts Drop Structure Energy Dissipator Erosion Hydraulic Jump Hydraulics Impact Basin Internal Dissipator Outlet Velocity Riprap Riprap Apron Riprap Basin Stilling Basin Stilling Well
Publication/ Report Number:

FHWA-NHI-06-086 ; HEC 14

FHWA-NHI-06-086 ; HEC 14 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

3rd Edition
Contracting Officer:

Nurmi, Cynthia
Corporate Publisher:

National Highway Institute (U.S.)
Abstract:

The purpose of this circular is to provide design information for analyzing and mitigating energy dissipation problems at culvert outlets and in open channels. The first three chapters provide general information on the overall design process (Chapter 1), erosion hazards (Chapter 2), and culvert outlet velocity and velocity modification (Chapter 3). These provide a background and framework for anticipating dissipation problems. In addition to describing the overall design process, Chapter 1 provides design examples to compare selected energy dissipators. The next three chapters provide assessment tools for considering flow transitions (Chapter 4), scour (Chapter 5), and hydraulic jumps (Chapter 6). For situations where the tools in the first six chapters are insufficient to fully mitigate a dissipation problem, the remaining chapters address the design of six types of constructed energy dissipators. Although any classification system for dissipators is limited, this circular uses the following breakdown: internal (integrated) dissipators (Chapter 7), stilling basins (Chapter 8), streambed level dissipators (Chapter 9), riprap basins and aprons (Chapter 10), drop structures (Chapter 11), and stilling wells (Chapter 12). Much of the information presented has been taken from the literature and adapted, where necessary, to fit highway needs. Research results from the Turner Fairbank Highway Research Center and other facilities have also been incorporated. A survey of state practices and experience was also conducted to identify needs for this circular.
Content Notes:

Project Manager: Cynthia Nurmi – FHWA Resource Center Technical Assistance: Jorge Pagan, Bart Bergendahl, Sterling Jones (FHWA); Rollin Hotchkiss (consultant).
Format:

PDF
Funding:

DTFH61-02-D-63009/T-63047
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:eadb67b189c28175b92ee51ccb90086b9eb57312a4b1d1ebf62034bec4bfa7a1
Download URL:

https://rosap.ntl.bts.gov/view/dot/44356/dot_44356_DS1.pdf
File Type:

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Hydraulic Design of Energy Dissipators for Culverts and Channels: Hydraulic Engineering Circular Number 14, Third Edition

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