Your search for Keyword "propagation"resulted in 79 records.
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- Title: The Effect of Additional Snow Load on Extended Column Test and Propagation Saw Test Results
- Date: 2010
- Authors: Ron Simenhois, Karl Birkeland
- Description: The number of skier triggered dry slab avalanches typically increases during or shortly after snow loading events. However, field observations and res...
- Object ID: ISSW_O-041.pdf
- Keywords: extended column test, propagation saw test, snow, dry slab
- View additional details about The Effect of Additional Snow Load on Extended Column Test and Propagation Saw Test Results
- 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
- Title: Validating the Propagation Saw Test on the Slope Scale
- Date: 2009
- Authors: Cameron Ross, Bruce Jamieson
- Description: Over the past few seasons, the Propagation Saw Test (PST) has gained increasing
acceptance in some guiding and highway operations in western North Am...
- Object ID: issw-2009-0282-0286.pdf
- Keywords: fracture propagation, snowpack stability, propagation saw test, avalanche forecasting
- View additional details about Validating the Propagation Saw Test on the Slope Scale
- Title: Field Study on Fracture Propagation in Weak Snowpack Layers
- Date: 2008-09-22
- Authors: Alec van Herwijnen, Joachim Heierli, Jürg Schweizer
- Description: Instabilities in snow slopes generally involve the progressive fracture along a weak snowpack layer. Recent field observations on fractures in weak la...
- Object ID: P__8213.pdf
- Keywords: snow avalanche, avalanche release, fracture mechanics, fracture propagation
- View additional details about Field Study on Fracture Propagation in Weak Snowpack Layers
- Title: Validation of the Propagation Saw Test Near Whumpfs and Avalanches
- Date: 2008-09-22
- Authors: Dave Gauthier, Cameron Ross, Bruce Jamieson
- Description: The Propagation Saw Test (PST) is a recently developed field test method for evaluating the fracture propagation propensity of slab and weak layer com...
- Object ID: P__8216.pdf
- Keywords: propagation propensity, field test, instability assessment, snowpack properties, forecasting
- View additional details about Validation of the Propagation Saw Test Near Whumpfs and Avalanches
- Title: Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?
- Date: 2008-09-22
- Authors: Ron Simenhois, Karl Birkeland
- Description: Dry slab avalanche stability typically increases over time in the absence of active loading from new snow or wind. However, field observations suggest...
- Object ID: P__8037.pdf
- Keywords: extended column test, pst, propagation saw test, fracture propagation
- View additional details about Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?
- Title: Slope Scale Spatial Variability Across Time and Space: Comparison of Results from Continental and Maritime Climates
- Date: 2008-09-23
- Authors: Jordy Hendrikx, Karl Birkeland
- Description: Understanding the spatial variability of the snowpack is a crucial step to improve accuracy in field data collection and avalanche forecasting. While ...
- Object ID: P__8036.pdf
- Keywords: spatial variability, temporal variability, fracture initiation, fracture propagation
- View additional details about Slope Scale Spatial Variability Across Time and Space: Comparison of Results from Continental and Maritime Climates
- Title: Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
- Date: 2008-09-26
- Authors: Cameron Ross, Bruce Jamieson
- Description: The Propagation Saw Test (PST) and the Extended Column Test (ECT) are two recently and independently developed field tests that indicate the propensit...
- Object ID: P__8177.pdf
- Keywords: fracture propagation, snowpack stability test, extended column test, propagation saw test, avalanche forecasting, snowpack properties
- View additional details about Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
- Title: The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
- Date: 2008-09-26
- Authors: Karl W. Birkeland, Ron Simenhois
- Description: The Extended Column Test (ECT) is a new stability test that aims to assess the fracture propagation potential across a 90 cm wide isolated column. Ini...
- Object ID: P__8190.pdf
- Keywords: ect, extended column test, fracture propagation, stability evaluation, avalanches
- View additional details about The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
- Title: Predictions of the Propagation Saw Test: Comparisons with Other Instability Tests at Skier Tested Slopes
- Date: 2008-09-26
- Authors: Dave Gauthier, Bruce Jamieson
- Description: Several new fracture propagation field tests have been presented in recent years. These are designed to provide specific information about propagation...
- Object ID: P__8217.pdf
- Keywords: propagation propensity, field test, instability assessment, snowpack properties, forecasting
- View additional details about Predictions of the Propagation Saw Test: Comparisons with Other Instability Tests at Skier Tested Slopes
- Title: The Effect of Changing Slab Thickness on Fracture Propagation
- Date: 2008-09-22
- Authors: Ron Simenhois, Karl Birkeland
- Description: Many avalanches are triggered from shallower parts of a slope. Past research demonstrates that initiating fractures in such areas is easier than in de...
- Object ID: P__8045.pdf
- Keywords: ect, extended column test, pst, propagation saw test, fracture propagation
- View additional details about The Effect of Changing Slab Thickness on Fracture Propagation
- Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation
- Date: 2006
- Authors: Ron Simenhois, Karl Birkeland
- Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an
interface. Current field tests like compression or stuffblock t...
- Object ID: issw-2006-079-085.pdf
- Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation
- View additional details about The Extended Column Test: A Field Test for Fracture Initiation and Propagation
- Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation
- Date: 2006
- Authors: Ron Simenhois, Karl Birkeland
- Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an
interface. Current field tests like compression or stuffblock t...
- Object ID: issw-2006-079-085.pdf
- Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation
- View additional details about The Extended Column Test: A Field Test for Fracture Initiation and Propagation
- Title: Slab Avalanche Triggering: A Combination of Four Basic Phenomena in Series
- Date: 2006
- Authors: Alain Duclos, François Louchet
- Description: There is still a significant gap between models describing slab avalanche
triggering mechanisms and practical field applications in terms of risk pre...
- Object ID: issw-2006-101-106.pdf
- Keywords: avalanche triggering, crack propagation, avalanche program
- View additional details about Slab Avalanche Triggering: A Combination of Four Basic Phenomena in Series
- Title: Evaluating a Prototype Field Test for Weak Layer Fracture and Failure Propagation
- Date: 2006
- Authors: Dave Gauthier, Bruce Jamieson
- Description: Researchers and practitioners currently lack a quantitative field test that indicates the propensity of a given slab and weak layer combination to pro...
- Object ID: issw-2006-107-116.pdf
- Keywords: fracture propagation, field test, extended column, snowpack stability, avalanche forecasting
- View additional details about Evaluating a Prototype Field Test for Weak Layer Fracture and Failure Propagation
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