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Your search for Keyword "failure"resulted in 26 records.

Title: THE ROLE OF SLOPE ANGLE IN SKIER-TRIGGERED SLAB AVALANCHE RELEASE
Date: 2026-09-28
Authors: Stephan Harvey, Alec van Herwijnen, Yannik Werner, Valentin Adam
Description: Slope angle is a key factor in dry-slab avalanche formation and central to avalanche education and terrain assessment. Combined with the avalanche dan...
Object ID: ISSW2026_FS2.4.pdf
Keywords: slope angle, slab avalanche release, failure initiation, crack propagation, friction, skier triggering
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Title: A REVIEW OF AVALANCHE RELEASE MECHANISMS: FROM ANTICRACK PROPAGATION TO SUPERSHEAR FRACTURE
Date: 2026-09-28
Authors: Johan Gaume, Alec van Herwijnen, Jürg Schweizer
Description: Dry-snow slab avalanches are responsible for most avalanche fatalities, making understanding of release mechanisms essential for forecasting and hazar...
Object ID: ISSW2026_O1.1.pdf
Keywords: dry-snow slab avalanche, avalanche release, weak layer, failure initiation, crack propagation, anticrack, supershear fracture, slab fracture.
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Title: ON HOW THE TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES AFFECTS FAILURE INITIATION AND CRACK PROPAGATION IN DRY-SNOW SLAB AVALANCHE FORMATION
Date: 2026-09-28
Authors: Jürg Schweizer, Benjamin Reuter, Christoph Mitterer
Description: In the European Alps, the avalanche situation in winter 2025/26 was dominated by persistent weak layers. Very many dry-snow slab avalanches were trigg...
Object ID: ISSW2026_O4.6.pdf
Keywords: dry-snow slab avalanche, failure initiation, crack propagation, snow stability, weak layer, strength, toughness
View additional details about ON HOW THE TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES AFFECTS FAILURE INITIATION AND CRACK PROPAGATION IN DRY-SNOW SLAB AVALANCHE FORMATION

Title: PINPOINTING THE TIMING OF WEAK LAYER FAILURE: A CASE STUDY OF A LARGE, WIDESPREAD NATURAL AVALANCHE CYCLE IN THE BITTERROOT MOUNTAINS
Date: 2026-09-28
Authors: James Peabody, Nathalie de Leeuw, Ben VandenBos
Description: In March 2026, a multi-day storm deposited over 180 mm of snow water equivalent (SWE) across the Bitterroot Mountains of Montana and Idaho. Prior to t...
Object ID: ISSW2026_P2.61.pdf
Keywords: timing of weak layer failure, avalanche forecasting, geospatial analysis, deep slab instability, case study
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Title: THE EFFECT OF SLOPE ANGLE ON CRITICAL CUT LENGTH MEASURED IN PROPAGATION SAW TESTS
Date: 2024-09-23
Authors: Bastian Bergfeld, Valentin Adam, Philipp L. Rosendahl, Alec van Herwijnen
Description: Assessing avalanche triggering potential requires detailed information on failure initiation and crack propagation. The propagation saw test (PST) is ...
Object ID: ISSW2024_P3.12.pdf
Keywords: stability test, propagation saw test, edge effect, failure initiation, crack propagation
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Title: ON STABILITY MEASUREMENTS AND MODELING
Date: 2023-10-08
Authors: Jürg Schweizer, Benjamin Reuter, Christoph Mitterer, Fabiano Monti, Stephanie Mayer
Description: Recent developments in snow stability modeling demonstrated the great potential of numerical snow cover modeling for avalanche forecasting. The recent...
Object ID: ISSW2023_P1.31.pdf
Keywords: snow stability, avalanche forecasting, numerical modeling, failure initiation, crack propagation
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Title: THE EFFECT OF PROPAGATION SAW TEST GEOMETRIES ON CRITICAL CUT LENGTH
Date: 2023-10-08
Authors: Bastian Bergfeld, Karl Birkeland, Valentin Adam, Philipp L. Rosendahl, Alec van Herwijnen
Description: Information on failure initiation and crack propagation is essential for assessing avalanche triggering potential. The Propagation Saw Test (PST) is a...
Object ID: ISSW2023_P3.20.pdf
Keywords: stability test, propagation saw test, edge effect, failure initiation
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Title: COMPRESSIVE STRENGTH OF COMPACTED MACHINE-MADE SNOW
Date: 2023-10-08
Authors: Yuanpeng Zheng, Chenxi Han, Mengxuan Zeng, Tao Chen, Xianglin Gu, Gang Qiao
Description: Compacted snow holds a significant role in both structural engineering and terramechanics in cold regions. Machine-made snow makes indoor snow-related...
Object ID: ISSW2023_P3.31.pdf
Keywords: machine-made snow, compressive behavior, compressive strength, compressive modulus, failure modes
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Title: How reliable are design avalanche loads? A systematic approach to estimate their uncertainty
Date: 2018-10-07
Authors: Mark Schaer, Katharina Fischer, Stefan Margreth
Description: The assessment of avalanche loads depends partly on well-founded facts such as observed avalanches, but the avalanche expert generally also has to mak...
Object ID: ISSW2018_P02.14.pdf
Keywords: avalanche loads, avalanche dynamic simulations, snow shed, probabilistic approach, failure probability, building codes.
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Title: Measuring snow mechanical properties typical of storm snow instabilities
Date: 2018-10-07
Authors: Benjamin Reuter, Neige Calonne, Ed Adams
Description: Dry snow slab avalanches release after failure has occurred in a weak layer below a cohesive snow slab. Typically, weak layers either consist of preci...
Object ID: ISSW2018_O10.3.pdf
Keywords: snow failure, snow mechanics, mechanical properties, snow instability, storm snow
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Title: Prediction of snow failure: mission impossible?
Date: 2018-10-07
Authors: Achille Capelli, Ingrid Reiweger, Jürg Schweizer
Description: Slab avalanches are caused by a crack forming and propagating in a weak layer within the snow cover, which eventually causes the detachment of the ove...
Object ID: ISSW2018_P10.11.pdf
Keywords: snow failure, avalanche release, precursor, acoustic emission, fiber bundle model
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Title: Investigation of the interplay between shear failure and normal collapse of weak layers using microstructure-based mechanical simulations
Date: 2018-10-07
Authors: Tijan Mede, Guillaume Chambon, Pascal Hagenmuller, François Nicot
Description: Weak layers of snow are thin layers of low density and cohesion that consist of a complex network of sintered ice grains. These layers are very fragil...
Object ID: ISSW2018_P10.36.pdf
Keywords: weak snow layer failure, normal collapse in shear, slab avalanche release
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Title: A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches
Date: 2016-10-02
Authors: Johan Gaume, Benjamin Reuter, Alec van Herwijnen, Jürg 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
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Title: Avalanche Release 101
Date: 2016-10-02
Authors: Jürg Schweizer, Benjamin Reuter, Alec van Herwijnen, Johan Gaume
Description: Our understanding of dry-snow slab avalanche release improved over the last decade – not the least by consistently following a fracture mechani...
Object ID: ISSW16_O1.01.pdf
Keywords: snow failure, failure initiation, crack propagation, avalanche formation, avalanche release, fracture mechanics
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Title: Field Experiments on Weak Layer Failure and Crack Propagation Due to Explosives
Date: 2014-09-29
Authors: Stephan Simioni, Jürg Schweizer, Jürg Dual
Description: Avalanche control by explosives is among the key temporary preventive measures and fixed avalanche control installations are frequently installed toda...
Object ID: ISSW14_paper_O8.02.pdf
Keywords: avalanche control, avalanche formation, weak layer failure, crack propagation
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