Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 15, issue 12
Articles | Volume 15, issue 12
https://doi.org/10.5194/nhess-15-2597-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/nhess-15-2597-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 12
Research article
 | 
02 Dec 2015
Research article |  | 02 Dec 2015

Laboratory tests for the optimization of mesh size for flexible debris-flow barriers

C. Wendeler and A. Volkwein

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Short summary
Laboratory tests were performed with natural debris material to study the loading aspects of flexible debris-flow barriers and to quantify the influence of different mesh sizes and the lower gap between barrier and the riverbed. A reasonable retention was reached with a net mesh size and a basal gap smaller than 90% of the grains. By scaling the laboratory tests to the field using Froude similarity, a recommendation is given for the best net mesh size and the gap under natural conditions.
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