United States Department of Transportation
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Edition:Final report; Oct. 1980-Sept. 1983.
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NTL Classification:NTL-ENERGY AND ENVIRONMENT-Environment Impacts;NTL-HIGHWAY/ROAD TRANSPORTATION-Soils and Geology;NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;
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Abstract:streambank stabilization structures has been conducted to establish design
guidelines and other criteria for the use of spurs. The recommendations and
findings are based on a thorough review of pertinent literature, analysis of
several hundred field sites, and on a recent laboratory study conducted by the
Federal Highway Administration. Recommendations for the general application
of spur-type structures are given in relation to function of the spur, the
erosion mechanisms that are countered by spurs, the environmental conditions
best suited for the use of spurs, and potential negative impacts produced by
spurs. An introduction to the most common types of spurs is given, along with
discussions of the factors most important to the design of specific spur
types. Design guidelines for establishing spur permeability, the required
extent of protection, spur length, spur spacing, spur'orientation, spur height ,
spur crest profile, and the shape of the spur tip or head are presented. An
example outlining a recommended procedure for establishing the geometric layout
of spurs within a spur scheme is recommended.
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