Stream stability at highway structures.

Lagasse, P.F.; Schall, J.D.; Johnson, F.; Richardson, E.V.; Chang, F.; Ayres Associates; GKY & Associates

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Stream stability at highway structures.

1995-11-01
By Lagasse, P.F. ; Schall, J.D. ; Johnson, F. ; ...

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English

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Details:

Creators:

Lagasse, P.F. ; Schall, J.D. ; Johnson, F. ; Richardson, E.V. ; Chang, F.

Lagasse, P.F. ; Schall, J.D. ; Johnson, F. ; Richardson, E.V. ; Chang, F. Less -
Corporate Creators:

Ayres Associates ; GKY & Associates

Ayres Associates ; GKY & Associates Less -
Subject/TRT Terms:

[+]

Bridge Design Bridges--Foundations And Piers--Design And Construction Bridge Substructures Dams Geomorphology Protection Against Environmental Damage Scour Scour At Bridges Spur Dikes Streamflow Streams
Publication/ Report Number:

FHWA-IP-90-014;HEC-20
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration. Office of Technology Applications
NTL Classification:

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

This document provides guidelines for identifying stream instability problems at highway stream crossings and for the

selection and design of appropriate countermeasures to mitigate potential damages to bridges and other highway components

at stream crossings. It is a metricated update of the version published in 1991 under Contract No. DTFH6 1-89-C-00003.

The HEC-20 manual covers geomorphic and hydraulic factors that affect stream stability and provides a step-by-step

analysis procedure for evaluating stream stability problems. Guidelines and criteria for selecting countermeasures for stream

instability problems are summarized, and the design of three countermeasures (spurs, g uide banks, and check darns) is

presented in detail. Conceptual design considerations for many other countermeasures are summarized.
Format:

PDF
Funding:

DTFH6 1-93-C-OO I 0 I
Collection(s):

Federal Highway Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:477c4dad44faa5a9845285699103aeae6b85c33a064b942456c6f7f7916b4515
Download URL:

https://rosap.ntl.bts.gov/view/dot/25666/dot_25666_DS1.pdf
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Stream stability at highway structures.

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