Developing Bridge-Scour Equations for Colorado Mountain Streams

Molinas, Albert; Mommandi, Amanullah; Khan, Aziz R.; Sollenberger, Brett; Colorado. Dept. of Transportation. Research Branch; Hydrau-Tech, Inc.

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Developing Bridge-Scour Equations for Colorado Mountain Streams

2018-03-01
By Molinas, Albert ; Mommandi, Amanullah ; Khan, Aziz R. ; ...

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Creators:

Molinas, Albert ; Mommandi, Amanullah ; Khan, Aziz R. ; Sollenberger, Brett

Molinas, Albert ; Mommandi, Amanullah ; Khan, Aziz R. ; Sollenberger, Brett Less -
Corporate Creators:

Colorado. Dept. of Transportation. Research Branch ; Hydrau-Tech, Inc.

Colorado. Dept. of Transportation. Research Branch ; Hydrau-Tech, Inc. Less -
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Bridge Abutments Bridges Effects Of Gradation Excess Velocity HEC-18 Local Scour Mountains Pier Scour Scour Steep Channels Steep Mountain Streams Streams
Publication/ Report Number:

CDOT-2018-10
Resource Type:

Tech Report
Geographical Coverage:

Colorado ; United States

Colorado ; United States Less -
Corporate Publisher:

Colorado. Dept. of Transportation. Research Branch
NTL Classification:

NTL-ENERGY AND ENVIRONMENT-Environment Impacts;NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;
Abstract:

The primary objective of this study is to provide a technical tool to compute bridge scour in steep mountain channels. The Colorado Department of Transportation (CDOT) builds and maintains many roadway projects with bridges that cross rivers and small streams. CDOT currently uses Federal Highway Administration's (FHWA's) HEC-18 methods to estimate bridge pier and abutment scour values, but HEC-18 equations were developed using hydraulic conditions for flat channels. The equations developed in this study will be applicable to the range of slopes, velocities, and depths encountered in bridges crossing steeper Colorado streams.
Format:

PDF
Alternate URL:

https://www.codot.gov/programs/research/pdfs/2018-Research-Reports/2018-10/view
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e59b7feb996c95bf65bde4ff42f32797664bb6e49189678e960c4313135b3770
Download URL:

https://rosap.ntl.bts.gov/view/dot/36594/dot_36594_DS1.pdf
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Developing Bridge-Scour Equations for Colorado Mountain Streams

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