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Title

Influence of riprap apron shape on spill-through abutments

AuthorsSimarro, Gonzalo ; Civeira, Sofia; Cardoso, Antonio H.
KeywordsAbutment
Clear-water scour
Experimentation
Protection
Riprap
Scour
Issue DateJan-2012
PublisherTaylor & Francis
CitationJournal of Hydraulic Research 50(1): 138-141 (2012)
AbstractThis technical note focuses on the plan geometry of riprap mattresses to protect spill-through abutments against local scour through edge failure. Two non-standard riprap apron geometries are experimentally studied. The performance of the new geometries is evaluated by comparing it with that of the standard design in terms of apron width and total riprap volume needed to guarantee stability. For comparatively short abutments, it is demonstrated that one of the new proposed geometries allows reductions between 15% and 25% in the total riprap volume without any increase in both design complexity and building difficulty.
Description5 páginas, 3 figuras, 1 tabla.
Publisher version (URL)http://dx.doi.org/10.1080/00221686.2011.650422
URIhttp://hdl.handle.net/10261/74994
DOI10.1080/00221686.2011.650422
ISSN0022-1686
E-ISSN1814-2079
Appears in Collections:(ICM) Artículos
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