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Title: Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse: Date: 2016-10-02; Authors: Johan Gaume, Alec van Herwijnen, Guillaume Chambon, Nander Wever, JÃ¼rg Schweizer; Description: The failure of a weak snow layer buried below cohesive slab layers is a necessary, but insufficient condition for the release of a dry-snow slab avala...; Object ID: ISSW16_O1.02.pdf; Keywords: snow avalanche, crack propagation, critical length, slope angle, pst, slab, weak layer; View additional details about Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse

Title: A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches: Date: 2016-10-02; Authors: Johan Gaume, Benjamin Reuter, Alec van Herwijnen, JÃ¼rg Schweizer; Description: Dry-snow slab avalanches begin with a local failure in a weak snowpack layer buried below cohesive slab layers. If the size of the failed zone exceeds...; Object ID: ISSW16_P1.01.pdf; Keywords: snow avalanche, skier-triggering, failure initiation, crack propagation, pst, slab, weak layer; View additional details about A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches

Title: The Effect of Increasing Load on Weak Layer Fracture: Date: 2016-10-02; Authors: Karl W. Birkeland, Alec van Herwijnen; Description: Avalanches failing on buried weak layers tend to be easier to trigger during or immediately following snowfall, suggesting that loading favorably chan...; Object ID: ISSW16_O1.03.pdf; Keywords: fracture, loading, slab, particle tracking velocimetry, propagation saw test; View additional details about The Effect of Increasing Load on Weak Layer Fracture

Title: The Role of Collapse in Avalanche Release: Review and Implications for Practitioners and Future Research: Date: 2016-10-02; Authors: Edward Bair, Johan Gaume, Alec van Herwijnen; Description: Reports of collapses and whumpfing sounds and their links to instability in the snowpack have been around for decades, but like many areas of snow sci...; Object ID: ISSW16_O1.04.pdf; Keywords: fracture, collapse, anticrack, extended column test, propagation saw test; View additional details about The Role of Collapse in Avalanche Release: Review and Implications for Practitioners and Future Research

Title: Wet-Snow Fracture Propagation: Date: 2016-10-02; Authors: Ingrid Reiweger, Markus ZÃ¶chling, Martin Forster, Thomas Wiesinger, Christoph Mitterer; Description: Fracture propagation within wet snow is a key issue in order to understand and predict wet-snow slab avalanches. In our preliminary field study we inv...; Object ID: ISSW16_P1.33.pdf; Keywords: wet snow, fracture propagation, wet-snow avalanches, propagation saw test; View additional details about Wet-Snow Fracture Propagation

Title: The Effect of Slope-Scale Spatial Variability of Slab Characteristics on Propagation Saw Tests: Date: 2016-10-02; Authors: Chris Bilbrey, Jordy Hendrikx, Karl Birkeland, Stuart Challender, J. Andrew Gleason; Description: Understanding propagation in complex, non-uniform terrain is critically important for avalanche forecasting and mitigation. Currently we do not know h...; Object ID: ISSW16_P1.45.pdf; Keywords:; View additional details about The Effect of Slope-Scale Spatial Variability of Slab Characteristics on Propagation Saw Tests

Title: A New Mechanical Framework to Interpret Weak Layer and Slab Fracture in the Propagation Saw Test: Date: 2016-10-02; Authors: Lorenzo Benedetti, Jan-Thomas Fischer, Johan Gaume; Description: This work aims to provide a mechanical model for the Propagation Saw Test (PST) based on the Euler-Bernoulli beam, allowing a description of the slab ...; Object ID: ISSW16_P3.01.pdf; Keywords: fracture, critical length, propagation length, mechanical model; View additional details about A New Mechanical Framework to Interpret Weak Layer and Slab Fracture in the Propagation Saw Test

Title: Extended Column Test: Repeatability and Comparison to Slope Stability and the Rutschblock: Date: 2016-10-02; Authors: Frank Techel, Matthias Walcher, Kurt Winkler; Description: Information on snow stability is key information when assessing the avalanche situation. However, stability tests like the Extended Column Test (ECT) ...; Object ID: ISSW16_P4.08.pdf; Keywords: extended column test, rutschblock, test repeatability, snow stability, fracture propagation; View additional details about Extended Column Test: Repeatability and Comparison to Slope Stability and the Rutschblock

Title: Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains: Date: 2016-10-02; Authors: Brandon Schwartz, Andy Anderson; Description: Forecasting of Persistent Deep Slab avalanches presents a unique and at times difficult problem for Backcountry Regional Forecasters, Guide Services, ...; Object ID: ISSW16_P4.26.pdf; Keywords: avalanche forecasting, persistent deep slab, propagation saw test (pst), extended column test (ect), sierra nevada; View additional details about Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains

Title: Changes in Extended Column Test Results with Varying Depths: Date: 2016-10-02; Authors: Ian Hoyer, Ethan Greene, Doug Chabot, Karl W. Birkeland; Description: Knowing the Extended Column Test's (ECT's) effectiveness at different slab thicknesses is critically important for practitioners. To better understand...; Object ID: ISSW16_P4.29.pdf; Keywords: extended column test, snowpack test, propagation; View additional details about Changes in Extended Column Test Results with Varying Depths

Title: Uncut Column Stability Tests For Hard Slab Snow Conditions: Date: 2013-10-07; Authors: Wesley R. Farnsworth, Markus Eckerstorfer; Description: This study aims to better understand a slabs influence on the mechanics of artificial avalanches. It seems that stability tests do not represent stab...; Object ID: ISSW13_paper_O2-01.pdf; Keywords: slab properties, propagation saw test, hard slab, uncut columns; View additional details about Uncut Column Stability Tests For Hard Slab Snow Conditions

Title: Edge Effects In Propagation Tests: Date: 2013-10-07; Authors: Edward H. Bair, Ron Simenhois, Alec van Herwijnen, Karl Birkeland; Description: Guidelines suggest beams with lengths around 1 m for Extended Column Tests (ECTs) and Propagation Saw Tests (PSTs). The longest unstable tests publish...; Object ID: ISSW13_paper_O5-02.pdf; Keywords: crack propagation, extended column test, propagation saw test; View additional details about Edge Effects In Propagation Tests

Title: Using High-Speed Video to Better Understand Extended Column Tests: Date: 2012; Authors: Karl W. Birkeland, Alec van Herwijnen; Description: Extended Column Tests (ECTs) have become increasingly popular for assessing snowpack stability. However, we still do not fully understand what happen...; Object ID: issw-2012-098-103.pdf; Keywords: extended column test, propagation saw test, snowpack stability test,; View additional details about Using High-Speed Video to Better Understand Extended Column Tests

Title: Slab Avalanche Crown Surface Fractography: Observations and Applications: Date: 2012; Authors: Dave Gauthier; Description: Fractography is the study of the morphological fracture surface features in artificial and natural materials, including bone and rock. Several pattern...; Object ID: issw-2012-115-120.pdf; Keywords: crack propagation, fracture-line, crowns; View additional details about Slab Avalanche Crown Surface Fractography: Observations and Applications

Title: Towards a Better Understanding of Glide-Snow Avalanche Formation: Date: 2012; Authors: Christoph Mitterer, JÃ¼rg Schweizer; Description: Full-depth avalanches (i.e. glide-snow avalanches) often release due to either a failure in the basal layer (e.g. depth hoar) or a failure at the snow...; Object ID: issw-2012-610-616.pdf; Keywords: glide avalanche, full depth avalanche, avalanche simulation, temperature gradients, rain on snow; View additional details about Towards a Better Understanding of Glide-Snow Avalanche Formation

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International Snow Science Workshop Proceedings - Montana State University Library

Your search for Subject crack propagationresulted in 35 records.