Articles | Volume 25, issue 1
https://doi.org/10.5194/nhess-25-321-2025
https://doi.org/10.5194/nhess-25-321-2025
Research article
 | 
22 Jan 2025
Research article |  | 22 Jan 2025

The effect of propagation saw test geometries on critical cut length

Bastian Bergfeld, Karl W. Birkeland, Valentin Adam, Philipp L. Rosendahl, and Alec van Herwijnen

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Short summary
To release a slab avalanche, a crack in a weak snow layer beneath a cohesive slab has to propagate. Information on that is essential for assessing avalanche risk. In the field, information can be gathered with the propagation saw test (PST). However, there are different standards on how to cut the PST. In this study, we experimentally investigate the effect of these different column geometries and provide models to correct for imprecise field test geometry effects on the critical cut length.
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