Author(s): J.P. Martin-Vide

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Keywords: Local scour; abutment; protruding wall

Abstract: Vertical banks with changes in alignment are called protruding walls. Local scour at the wall nose was investigated in almost 40 clear-water tests lasting up to 2 weeks. The main results were expressions for local scour development as a function of relative depth, flow intensity, wall angle and contraction rate. An expression for the flow intensity needed for scour inception was also derived from the tests.

DOI: https://doi.org/10.1080/00221686.2007.9521808

Year: 2007