Feasibility Study of a Radial-Flow Energy Dissipator for Culvert Outlets

Moore, Walter L.; University of Texas at Austin. Center for Highway Research

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Feasibility Study of a Radial-Flow Energy Dissipator for Culvert Outlets

1967-06-12
By Moore, Walter L.

English

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Details:

Creators:

Moore, Walter L.
Corporate Creators:

University of Texas at Austin. Center for Highway Research
Corporate Contributors:

Texas Highway Department ; United States. Department of Transportation. Federal Highway Administration. Bureau of Public Roads

Texas Highway Department ; United States. Department of Transportation. Federal Highway Administration. Bureau of Public Roads Less -
Subject/TRT Terms:

[+]

Bridges Culvert Outlets Dissipation Erosion Control Feasibility Analysis Hydraulic Jump Scour Stilling Basins
Publication/ Report Number:

3-5-66-92
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Corporate Publisher:

University of Texas at Austin. Center for Highway Research
Abstract:

The cause of the erosion is understood, but to date most methods for controlling it have met with limited success. By its nature a culvert concentrates the flow of a stream into a narrower passage than the natural stream channel. For culverts on steep grades outlet velocities may range from 10 feet per second up to 30 feet per second. In order to prevent erosion at the culvert outlet these high velocities must be reduced and flow should be spread outward toward the normal width of the channel. The conventional stilling basin is not effective in increasing the width of the flow before it discharges into the natural channel. It is believed that a more effective and efficient sti11ing basin can be designed if a way is found to cause the flow to spread laterally before the hydraulic Jump occurs. The depths would then be reduced and the structure would be less costly. The present investigation was undertaken to explore the feasibility of developing a type of sti11ing basin which would be effective in causing the flow to spread rapidly as a means of achieving more efficient energy dissipation and scour control.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:81af2dabd41079635d4af8ceecb0f2f5303156a4ce788a5b80c766b3e7306a4d086e40c70d81449629e58051abe82d99b4455bd30925f2f6ca96ae223b043ed4
Download URL:

https://rosap.ntl.bts.gov/view/dot/80994/dot_80994_DS1.pdf
File Type:

[PDF-686.61 KB]