Your search for Subject weak layer fractureresulted in 115 records.
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- Title: Weak Layer Detection in Simulated Snow Stratigraphy
- Date: 2012
- Authors: Fabiano Monti, Jürg Schweizer, Charles Fierz
- Description: Numerical modelling of snow cover stratigraphy with, for example, the 1-D snow cover model SNOWPACK has the potential to increase the spatial and temp...
- Object ID: issw-2012-092-097.pdf
- Keywords: snowpack stratigraphy, snow hardness, hand hardness test, weak layer
- View additional details about Weak Layer Detection in Simulated Snow Stratigraphy
- Title: Measurements of ECT Scores and Crack-Face Friction in Non-Persistent Weak Layers: What are the Implications for Practitioners?
- Date: 2012
- Authors: Ron Simenhois, Karl W. Birkeland, Alec van Herwijnen
- Description: Field observations suggest that avalanches releasing on non-persistent weak layers tend to slide on steeper slopes than other dry slab avalanches. Rec...
- Object ID: issw-2012-104-110.pdf
- Keywords: weak snowpack layers, extended column test, slopes, dry slab avalanche,
- View additional details about Measurements of ECT Scores and Crack-Face Friction in Non-Persistent Weak Layers: What are the Implications for Practitioners?
- Title: Storm Snow Avalanches: Characteristics and Forecasting
- Date: 2012
- Authors: Edward H. Bair, Ron Simenhois, Alec van Herwijnen, Karl Birkeland, Jeff Dozier
- Description: At ski areas, a majority of avalanches fail in storm snow. We investigate these avalanches using stability tests and avalanche observations from Calif...
- Object ID: issw-2012-111-114.pdf
- Keywords: storm snow, ski area, extended column test
- View additional details about Storm Snow Avalanches: Characteristics and Forecasting
- 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: A Mechanism for Cooling-Related Slab Avalanche Release
- Date: 2012
- Authors: James A. Floye
- Description: Strong anecdotal evidence exists suggesting cooling is an important factor for slab
avalanche release. Despite this, a viable mechanism for it has no...
- Object ID: issw-2012-252-255.pdf
- Keywords: slab release, strain rate, weak layer, near-surface temperature change
- View additional details about A Mechanism for Cooling-Related Slab Avalanche Release
- Title: Properties of Weak Layers Composed of Precipitation Particles In and Near Avalanche Starting Zones in Japan
- Date: 2012
- Authors: Shinji Ikeda, Tomoyuki Noro
- Description: To gain further insight into the properties of weak layers composed of precipitation
particles(PP weak layer), we analyzed 18 measurement datasets. A...
- Object ID: issw-2012-586-590.pdf
- Keywords: weak layer, fracture lines, snow crystals, avalanche forecast
- View additional details about Properties of Weak Layers Composed of Precipitation Particles In and Near Avalanche Starting Zones in Japan
- Title: Mechanics of Weak Layer Snow Under Cyclic Loading Studied By FEM
- Date: 2012
- Authors: Evgeny A. Podolskiy, Guillaume Chambon
- Description: The mechanical behavior of snow weak layers is a crucial element in dry snow slab
avalanche forecasting. Here, we use Finite Element Method (FEM) mod...
- Object ID: issw-2012-617-621.pdf
- Keywords: dry slab avalanche, elasticity, weak layer
- View additional details about Mechanics of Weak Layer Snow Under Cyclic Loading Studied By FEM
- Title: A Modified Extended Column Test to Reduce Slab Degradation: Preliminary Results
- Date: 2012
- Authors: Maggi Kraft, Matt Wieland, Jordy Hendrikx
- Description: Snow profiles and stability tests are commonly used to evaluate the strength of the
snowpack. While conducting a stability test such as the extended ...
- Object ID: issw-2012-1028-1032.pdf
- Keywords: slabs, weak layer, snowpack stability test,
- View additional details about A Modified Extended Column Test to Reduce Slab Degradation: Preliminary Results
- Title: Spatial Variabiity of Snowpack on Small Wind Effected Slopes, Central Svalbard
- Date: 2012
- Authors: Wesley R. Farnsworth, Markus Eckerstorfer, Hanne H. Christiansen
- Description: Spatial variability studies of snowpack stability have predominantly been conducted on sheltered uniform slopes despite mountains and avalanche starti...
- Object ID: issw-2012-467-472.pdf
- Keywords: spatial variability, snowpack, slopes, artificial trigger points, weak layer
- View additional details about Spatial Variabiity of Snowpack on Small Wind Effected Slopes, Central Svalbard
- Title: On the Sustainability and Arrest of Weak Layer Fracture in Whumpfs and Avalanches
- Date: 2010
- Authors: Dave Gauthier, Bruce Jamieson
- Description: Recent theoretical and practical descriptions of weak layer fracture have focused on the mechanics of achieving a state of propagation, which is assum...
- Object ID: ISSW_O-043.pdf
- Keywords: whumpfs, avalanches, en-echelon slab fractures,
- View additional details about On the Sustainability and Arrest of Weak Layer Fracture in Whumpfs and Avalanches
- Title: A Field Method for Measuring Slab Stiffness and Weak Layer Fracture Energy
- Date: 2010
- Authors: Alec van Herwijnen, Joachim Heierli
- Description: Traditional field measurements, such as snow profiles and stability tests, are widely used to provide information on snow cover stability for avalanch...
- Object ID: ISSW_O-044.pdf
- Keywords: fracture energy, slab, avalanche forecasting,
- View additional details about A Field Method for Measuring Slab Stiffness and Weak Layer Fracture Energy
- Title: Some Insights Into Fracture Propagation in Weak Snowpack Layers
- Date: 2010
- Authors: Joachim Heierli, Alec van Herwijnen, Peter Gumbsch, Michael Zaiser
- Description: Dry snow slab avalanches form when fracture, once initiated in a weak snowpack layer, propagates over large distances, progressively debonding a vast ...
- Object ID: ISSW_P-078.pdf
- Keywords: dry snow, weak snowpack layers, fracture
- View additional details about Some Insights Into Fracture Propagation in Weak Snowpack Layers
- Title: Fracture Energy of Weak Snowpack Layers
- Date: 2010
- Authors: Jürg Schweizer, Alec van Herwijnen, Benjamin Reuter
- Description: Recent experimental and theoretical work has provided new insight into weak layer fracture in view of dry-snow slab avalanche release. The two main pa...
- Object ID: ISSW_P-079.pdf
- Keywords: snowpack layers, fracture, dry snow
- View additional details about Fracture Energy of Weak Snowpack Layers
- Title: Experience is Not Enough: Persistent Weak Layers in Western Canada 2007 – 2010
- Date: 2010
- Authors: Karl Klassen
- Description: The winters of 2007/08, 2008/09, and 2009/10 in British Columbia were characterized by numerous persistent weak layers (PWLs). Professional avalanche ...
- Object ID: ISSW_O-032.pdf
- Keywords: weak layers, human factors, avalanche practitioners
- View additional details about Experience is Not Enough: Persistent Weak Layers in Western Canada 2007 – 2010
- Title: Numerical Modeling of Fracture Propagation in Slabs
- Date: 2010
- Authors: Chris Borstad, David McClung
- Description: We present the results of numerical simulations of tensile failure of snow samples. Several material models for quasibrittle tensile failure were impl...
- Object ID: ISSW_O-042.pdf
- Keywords: fracture propagation, slab avalanche, elastic modulus, fracture energy
- View additional details about Numerical Modeling of Fracture Propagation in Slabs
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